/* ============================================================
   MALCIANO — Personal Website Styles
   ============================================================ */

:root {
  --bg: #f8fafc;
  --bg-card: #ffffff;
  --bg-dark: #f1f5f9;
  --surface: #e2e8f0;
  --surface-hover: #cbd5e1;
  --accent: #1e40af;
  --accent-light: #2563eb;
  --accent-glow: rgba(30, 64, 175, 0.15);
  --gold: #f59e0b;
  --gold-light: #d97706;
  --text: #1e293b;
  --text-muted: #64748b;
  --text-dim: #94a3b8;
  --border: rgba(0, 0, 0, 0.08);
  --border-accent: rgba(30, 64, 175, 0.2);
  --radius: 12px;
  --radius-lg: 20px;
  --font-body: "Inter", sans-serif;
  --font-code: "Fira Code", monospace;
  --nav-h: 68px;
  --trans: 0.25s ease;
  --weather-h: 36px;
}

/* ── Reset & Base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}

/* ── Weather Bar ─────────────────────────────────────────── */
.weather-bar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--weather-h);
  z-index: 1100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  font-size: 0.8rem;
  color: var(--text-muted);
  transition: opacity 0.4s ease;
}
.weather-bar.hidden {
  display: none;
}
.wb-loading { opacity: 0.5; font-style: italic; }
.wb-city { color: var(--text); font-weight: 600; letter-spacing: 0.02em; }
.wb-temp {
  color: var(--accent-light);
  font-weight: 700;
  font-size: 0.85rem;
}
.wb-condition { color: var(--text-muted); font-size: 0.78rem; }
.wb-sep {
  display: inline-block;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--border-accent);
  vertical-align: middle;
  margin: 0 2px;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

.accent { color: var(--accent-light); }

/* ── Scrollbar ────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 3px; }

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: var(--weather-h); left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  background: transparent;
  transition: background var(--trans), backdrop-filter var(--trans), border-bottom var(--trans);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 1.6rem;
  font-weight: 900;
  letter-spacing: -1px;
  color: var(--text);
  transition: opacity var(--trans);
}
.nav-logo:hover { opacity: 0.8; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-links a {
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--trans), background var(--trans);
}
.nav-links a:hover {
  color: var(--text);
  background: var(--surface);
}
.btn-nav {
  background: var(--accent) !important;
  color: #fff !important;
  font-weight: 600 !important;
  padding: 8px 18px !important;
}
.btn-nav:hover { background: var(--accent-light) !important; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--trans), opacity var(--trans);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none;
  flex-direction: column;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 12px 24px 20px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  padding: 12px 0;
  font-size: 1.05rem;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  transition: color var(--trans);
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a:hover { color: var(--text); }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform var(--trans), box-shadow var(--trans), background var(--trans), color var(--trans);
  border: none;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 0 24px var(--accent-glow);
}
.btn-primary:hover {
  background: var(--accent-light);
  box-shadow: 0 0 36px var(--accent-glow);
}

.btn-outline {
  background: transparent;
  color: var(--accent-light);
  border: 1.5px solid var(--accent);
}
.btn-outline:hover {
  background: var(--accent-glow);
  color: #fff;
}

.btn-full { width: 100%; justify-content: center; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: var(--nav-h) 24px 80px;
  overflow: hidden;
  background: url('eu.png') right center / auto 100% no-repeat !important;
  background-color: #050c1e;
}

/* Overlay lateral: escuro à esquerda, transparente à direita (rosto aparece) */
.hero-cover {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(5, 12, 30, 0.92) 0%,
    rgba(5, 12, 30, 0.75) 40%,
    rgba(5, 12, 30, 0.20) 70%,
    rgba(5, 12, 30, 0.00) 100%
  );
  z-index: 1;
}

.chess-bg { display: none !important; }

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 520px;
  width: 100%;
  margin-left: clamp(24px, 8vw, 120px);
  text-align: left;
  color: #fff;
}

.hero-prefix {
  font-family: 'Georgia', 'Times New Roman', serif;
  font-size: clamp(1rem, 2.2vw, 1.35rem);
  font-weight: 400;
  font-style: italic;
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.12em;
  margin: 52px 0 2px 2px;
  padding: 0;
}


  animation: nameEntrance 0.9s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.hero-name-svg {
  width: 100%;
  max-width: 820px;
  height: auto;
  display: block;
  overflow: visible;
}

@keyframes nameEntrance {
  from {
    opacity: 0;
    transform: translateY(-22px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}
}

.hero-subtitle {
  font-family: var(--font-body);
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #fff;
  min-height: 1.8em;
  margin-top: -8px;
  margin-bottom: 42px;
  padding-left: 0;
  border-left: none;
  animation: subtitleIn 0.7s ease 0.5s both;
  text-shadow: 0 1px 6px rgba(0,0,0,0.55);
}

@keyframes subtitleIn {
  from { opacity: 0; letter-spacing: 0.05em; }
  to   { opacity: 1; letter-spacing: 0.22em; }
}

.typewriter::after {
  content: "|";
  animation: blink 0.75s step-end infinite;
  color: #f5a623;
}
@keyframes blink { 50% { opacity: 0; } }

.hero-desc {
  font-size: 1rem;
  color: rgba(255,255,255,0.88);
  margin-bottom: 32px;
  line-height: 1.8;
  text-shadow: 0 2px 8px rgba(0,0,0,0.4);
}
.hero-desc strong { color: #fbbf24; }

.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; }

.hero-board { display: none !important; }
.hero-bg-photo { display: none !important; }

.scroll-indicator {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
}
.scroll-line {
  width: 1.5px;
  height: 48px;
  background: linear-gradient(to bottom, var(--accent-light), transparent);
  margin: 0 auto;
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50%       { opacity: 1;   transform: scaleY(1.15); }
}

/* ============================================================
   SECTIONS
   ============================================================ */
.section {
  padding: 100px 0;
}
.section-dark {
  background: var(--bg-dark);
}

.section-label {
  font-family: var(--font-code);
  font-size: 0.85rem;
  color: var(--accent-light);
  letter-spacing: 1px;
  margin-bottom: 14px;
  opacity: 0.8;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.15;
  margin-bottom: 24px;
  color: var(--text);
}
.section-title.center { text-align: center; margin-bottom: 48px; }

/* ============================================================
   ABOUT
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 60px;
  align-items: center;
}

@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-visual { order: -1; }
}

.about-text p {
  color: var(--text-muted);
  margin-bottom: 16px;
  font-size: 1.05rem;
}
.about-text em { color: var(--accent-light); font-style: normal; font-weight: 600; }

.about-stats {
  display: flex;
  gap: 32px;
  margin-top: 36px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}
.stat { text-align: center; }
.stat-num {
  display: block;
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--accent-light);
  line-height: 1;
  letter-spacing: -1px;
}
.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 4px;
  display: block;
}

.about-visual {
  display: flex;
  justify-content: center;
}
.avatar-card {
  position: relative;
  width: 240px;
  height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg);
}
.avatar-icon {
  font-size: 7rem;
  line-height: 1;
  filter: drop-shadow(0 0 30px var(--accent-glow));
}
.avatar-glow {
  position: absolute;
  inset: -1px;
  border-radius: var(--radius-lg);
  background: conic-gradient(from 0deg, transparent, var(--accent), transparent, var(--accent-light), transparent);
  animation: rotateBorder 4s linear infinite;
  z-index: -1;
  opacity: 0.5;
}
@keyframes rotateBorder { to { transform: rotate(360deg); } }

/* ============================================================
   SKILLS
   ============================================================ */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
  margin-bottom: 56px;
}

.skill-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color var(--trans), transform var(--trans), box-shadow var(--trans);
  opacity: 0;
  transform: translateY(20px);
}
.skill-card.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.5s ease, transform 0.5s ease, border-color var(--trans), box-shadow var(--trans);
}
.skill-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px) !important;
  box-shadow: 0 12px 40px rgba(124, 58, 237, 0.15);
}
.skill-icon {
  font-size: 2rem;
  margin-bottom: 14px;
}
.skill-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
}
.skill-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Code snippet */
.code-snippet {
  background: #0d0d18;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  max-width: 680px;
  margin: 0 auto;
}
.code-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 18px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--border);
}
.dot {
  width: 12px; height: 12px;
  border-radius: 50%;
}
.dot.red    { background: #ff5f57; }
.dot.yellow { background: #ffbd2e; }
.dot.green  { background: #28ca41; }
.code-filename {
  margin-left: auto;
  font-family: var(--font-code);
  font-size: 0.78rem;
  color: var(--text-muted);
}
.code-snippet pre {
  padding: 24px;
  overflow-x: auto;
}
.code-snippet code {
  font-family: var(--font-code);
  font-size: 0.88rem;
  line-height: 1.8;
}
.kw   { color: #c792ea; }
.var  { color: #82aaff; }
.prop { color: #f07178; }
.str  { color: #c3e88d; }

/* ============================================================
   TALKS / PALESTRAS
   ============================================================ */
.talks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
  margin-bottom: 48px;
}

.talk-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color var(--trans), transform var(--trans), box-shadow var(--trans);
}
.talk-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(124, 58, 237, 0.12);
}
.talk-card.featured {
  border-color: var(--accent);
  background: linear-gradient(135deg, #12121a, #1a1228);
  box-shadow: 0 0 36px var(--accent-glow);
}
.talk-tag {
  position: absolute;
  top: -12px;
  left: 20px;
  background: var(--accent);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.talk-icon {
  font-size: 2rem;
  margin-bottom: 14px;
}
.talk-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
  line-height: 1.4;
}
.talk-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.6;
}
.talk-audience {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.talk-audience li {
  font-size: 0.75rem;
  padding: 3px 10px;
  border-radius: 20px;
  background: var(--surface);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.talks-cta {
  text-align: center;
  padding-top: 16px;
}
.talks-cta p {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-bottom: 18px;
}

/* ============================================================
   CHESS SECTION
   ============================================================ */
.chess-grid {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 64px;
  align-items: center;
}

@media (max-width: 900px) {
  .chess-grid {
    grid-template-columns: 1fr;
  }
  .chess-board-wrap { order: -1; }
}

.chess-text p {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 16px;
}
.chess-text strong { color: var(--text); }

.chess-principles {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.principle {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.principle-icon {
  font-size: 1.6rem;
  line-height: 1;
  flex-shrink: 0;
  filter: drop-shadow(0 0 8px var(--accent-glow));
}
.principle strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}
.principle p {
  font-size: 0.87rem;
  color: var(--text-muted);
  margin: 0 !important;
}

.chess-board-wrap { text-align: center; }

.mini-board {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  grid-template-rows: repeat(8, 1fr);
  width: 100%;
  max-width: 340px;
  aspect-ratio: 1;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 0 60px rgba(124, 58, 237, 0.25), 0 20px 60px rgba(0,0,0,0.5);
  margin: 0 auto 16px;
}

.board-caption {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-style: italic;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact-sub {
  text-align: center;
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 56px;
  margin-top: -24px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 48px;
  align-items: start;
}

@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; }
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 9px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 12px 16px;
  outline: none;
  transition: border-color var(--trans), box-shadow var(--trans);
  resize: vertical;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); opacity: 0.7; }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-group select option { background: var(--surface); }

.form-feedback {
  font-size: 0.9rem;
  padding: 10px;
  border-radius: 8px;
  text-align: center;
  display: none;
}
.form-feedback.success {
  display: block;
  background: rgba(40, 202, 65, 0.1);
  color: #28ca41;
  border: 1px solid rgba(40, 202, 65, 0.3);
}
.form-feedback.error {
  display: block;
  background: rgba(255, 95, 87, 0.1);
  color: #ff5f57;
  border: 1px solid rgba(255, 95, 87, 0.3);
}

.info-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 16px;
}
.info-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 18px;
  color: var(--text);
}

.social-links { display: flex; flex-direction: column; gap: 10px; }
.social-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: 9px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: color var(--trans), border-color var(--trans), transform var(--trans);
}
.social-item:hover {
  color: var(--text);
  border-color: var(--border-accent);
  transform: translateX(4px);
}
.social-item.whatsapp:hover {
  border-color: #25d366;
  box-shadow: 0 0 12px rgba(37, 211, 102, 0.2);
}
.social-icon { font-size: 1.1rem; }

.info-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.availability-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.availability-list li {
  font-size: 0.88rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}
.availability-list li::first-letter { color: #28ca41; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--bg-dark);
  border-top: 1px solid var(--border);
  padding: 48px 0;
}
.footer-inner { text-align: center; }
.footer-logo {
  font-size: 1.8rem;
  font-weight: 900;
  letter-spacing: -1px;
  margin-bottom: 12px;
}
.footer-quote {
  font-style: italic;
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 16px;
}
.footer-copy {
  font-size: 0.8rem;
  color: #55556b;
}

/* ============================================================
   ANIMATIONS / REVEAL
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .section { padding: 70px 0; }
  .about-stats { gap: 20px; }
  .hero { padding-bottom: 80px; }
}

/* ============================================================
   MODAL CURSOS
   ============================================================ */
.courses-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.25s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.courses-modal {
  background: var(--bg-card);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg);
  padding: 36px 32px 28px;
  max-width: 420px;
  width: 92%;
  position: relative;
  animation: slideUp 0.3s ease;
}
@keyframes slideUp { from { transform: translateY(30px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

.courses-close {
  position: absolute;
  top: 12px; right: 16px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.6rem;
  cursor: pointer;
  line-height: 1;
  transition: color var(--trans);
}
.courses-close:hover { color: var(--text); }

.courses-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--text);
}
.courses-sub {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.courses-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.course-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: background var(--trans), border-color var(--trans), transform 0.15s ease;
}
.course-item:hover {
  background: var(--surface-hover);
  border-color: var(--accent);
  transform: translateX(4px);
}
.course-item::before {
  content: attr(data-icon);
  font-size: 1.4rem;
  flex-shrink: 0;
}
.course-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  flex: 1;
}
.course-arrow {
  color: var(--accent-light);
  font-size: 1.2rem;
  font-weight: 700;
  opacity: 0.6;
  transition: opacity var(--trans), transform var(--trans);
}
.course-item:hover .course-arrow {
  opacity: 1;
  transform: translateX(3px);
}

/* ── Course Detail Overlay ──────────────────────────────────── */
.course-detail-overlay {
  position: fixed;
  inset: 0;
  z-index: 2100;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.2s ease;
}

.course-detail {
  background: var(--bg-card);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg);
  padding: 32px 28px 28px;
  max-width: 500px;
  width: 94%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  animation: slideUp 0.3s ease;
}

.course-detail-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.course-detail-back {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.82rem;
  padding: 5px 12px;
  border-radius: 20px;
  cursor: pointer;
  transition: color var(--trans), border-color var(--trans);
}
.course-detail-back:hover { color: var(--text); border-color: var(--accent); }

.course-detail-icon {
  font-size: 3rem;
  text-align: center;
  margin-bottom: 8px;
  line-height: 1;
}

.course-detail-title {
  font-size: 1.4rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 12px;
  color: var(--text);
}

.course-detail-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  text-align: center;
  margin-bottom: 24px;
}

.course-detail-topics {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 24px;
}
.course-detail-topics h3 {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-light);
  margin-bottom: 12px;
}
.course-detail-topics ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.course-detail-topics li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text);
}
.course-detail-topics li::before {
  content: "✓";
  color: var(--accent-light);
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.course-detail-cta {
  display: block;
  width: 100%;
  text-align: center;
  padding: 14px;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius);
  cursor: pointer;
}

/* ── Course Detail Price Box ─────────────────────────────── */
.course-detail-price-box {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--surface);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius);
  padding: 14px 18px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.cdp-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  flex-shrink: 0;
}
.cdp-value {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--accent-light);
  flex: 1;
}
.cdp-subtext {
  font-size: 0.78rem;
  color: var(--text-muted);
  flex-basis: 100%;
}

/* ============================================================
   MODAL PIX
   ============================================================ */
.card-pay-btn {
  display: block;
  width: 100%;
  background: linear-gradient(135deg,#7c3aed,#a855f7);
  color: #fff;
  border: none;
  border-radius: 12px;
  padding: 15px 0;
  font-size: 1.05rem;
  font-weight: 800;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: opacity 0.2s;
  letter-spacing: 0.3px;
}
.card-pay-btn:hover { opacity: 0.88; }
.card-pay-cancel {
  background: none;
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--text-muted);
  border-radius: 8px;
  padding: 9px 20px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: border-color 0.2s;
}
.card-pay-cancel:hover { border-color: rgba(255,255,255,0.35); }

/* ── Card Form (Checkout Transparente) ─────────────────────── */
.card-form-box { max-height: 95dvh; overflow-y: auto; width: min(440px, 94vw); }
.card-field-wrap { display: flex; flex-direction: column; gap: 5px; margin-bottom: 13px; }
.card-field-label { font-size: 0.73rem; color: var(--text-muted); font-weight: 600; letter-spacing: 0.5px; text-transform: uppercase; }
.card-mp-field {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 10px;
  height: 46px;
  padding: 0 12px;
  box-sizing: border-box;
  overflow: hidden;
}
.card-mp-field iframe { width: 100% !important; height: 100% !important; border: none !important; }
.card-text-field {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 10px;
  height: 46px;
  padding: 0 13px;
  color: #fff;
  font-size: 0.95rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
  box-sizing: border-box;
  width: 100%;
}
.card-text-field:focus { border-color: rgba(168,85,247,0.6); }
.card-select { cursor: pointer; appearance: auto; }
.card-field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.card-pay-error {
  background: rgba(239,68,68,0.15);
  border: 1px solid rgba(239,68,68,0.35);
  border-radius: 9px;
  color: #fca5a5;
  font-size: 0.85rem;
  padding: 9px 13px;
  margin-bottom: 8px;
  text-align: center;
}

/* PIX Wait Overlay (tela cheia de espera) */
.pix-wait-overlay {
  position: fixed;
  inset: 0;
  z-index: 10500;
  background: rgba(0,0,0,0.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.25s ease;
}

.pix-wait-box {
  background: #111827;
  border: 1px solid rgba(37,211,102,0.35);
  border-radius: 22px;
  padding: 32px 26px 28px;
  max-width: 400px;
  width: 92vw;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  box-shadow: 0 24px 64px rgba(37,211,102,0.12);
  animation: slideUp 0.3s ease;
  text-align: center;
}

.pix-wait-top { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.pix-wait-icon { font-size: 2.4rem; line-height: 1; }
.pix-wait-title { font-size: 1.3rem; font-weight: 800; color: #25d366; margin: 0; }
.pix-wait-desc { font-size: 0.85rem; color: var(--text-muted); margin: 0; }

.pix-wait-qr {
  width: 190px;
  height: 190px;
  border-radius: 14px;
  background: #fff;
  padding: 8px;
  border: 2px solid rgba(37,211,102,0.4);
}

.pix-code-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  width: 100%;
  box-sizing: border-box;
}

.pix-code {
  display: block;
  font-size: 0.68rem;
  word-break: break-all;
  color: var(--text-muted);
  font-family: var(--font-code);
  margin-bottom: 10px;
  max-height: 60px;
  overflow: auto;
}

.pix-copy-btn {
  display: inline-block;
  background: #25d366;
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 8px 18px;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: background var(--trans);
}
.pix-copy-btn:hover { background: #1ebe5b; }

.pix-wait-status {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #7fff94;
  font-size: 0.84rem;
  font-weight: 600;
}

.pix-spinner {
  width: 18px;
  height: 18px;
  border: 2.5px solid rgba(127,255,148,0.2);
  border-top-color: #7fff94;
  border-radius: 50%;
  animation: spin 0.85s linear infinite;
  flex-shrink: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }

.pix-note {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin: 0;
}

/* Confetti */
.confetti-piece {
  position: absolute;
  border-radius: 2px;
  animation: confettiFall linear forwards;
}
@keyframes confettiFall {
  0%   { transform: translateY(0) rotate(0deg) scale(1);   opacity: 1; }
  80%  { opacity: 1; }
  100% { transform: translateY(105vh) rotate(780deg) scale(0.8); opacity: 0; }
}

/* ============================================================
   CHAT WIDGET FLUTUANTE
   ============================================================ */

/* ── Botão flutuante (FAB) ─────────────────────────────────── */
.chat-fab {
  position: fixed;
  bottom: 28px;
  right: 28px;
  left: auto;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25d366;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9000;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.45);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.chat-fab:hover { transform: scale(1.1); box-shadow: 0 6px 28px rgba(37, 211, 102, 0.6); }
.chat-fab:active { transform: scale(0.96); }

.chat-fab-icon svg { width: 30px; height: 30px; color: #fff; display: block; transition: opacity 0.2s; }
.chat-fab-close {
  position: absolute;
  font-size: 20px;
  color: #fff;
  opacity: 0;
  transition: opacity 0.2s;
  pointer-events: none;
}
.chat-fab.open .chat-fab-icon { opacity: 0; }
.chat-fab.open .chat-fab-close { opacity: 1; }

/* Pulso */
.chat-fab-pulse {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.4;
  animation: chatPulse 2.2s ease-out infinite;
  z-index: -1;
}
.chat-fab.open .chat-fab-pulse { animation: none; opacity: 0; }

@keyframes chatPulse {
  0%   { transform: scale(1);   opacity: 0.4; }
  70%  { transform: scale(1.7); opacity: 0; }
  100% { transform: scale(1.7); opacity: 0; }
}

/* Badge de notificação */
.chat-fab-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #ef4444;
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  display: none;
  align-items: center;
  justify-content: center;
  border: 2px solid #111;
  transition: opacity 0.2s;
  pointer-events: none;
}
.chat-fab-badge.show { display: flex; }
.chat-fab-badge.hidden { display: none; }

/* ── Painel do chat ────────────────────────────────────────── */
/* Overlay do chat modal centrado */
#chatModalOverlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.65);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 9100;
  display: none;
}
#chatModalOverlay.show { display: block; }

/* Modal centrado */
.chat-panel.modal-mode {
  bottom: auto;
  right: auto;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -44%) scale(0.97);
  opacity: 0;
  z-index: 9200;
  max-height: min(580px, 90vh);
  width: min(420px, calc(100vw - 24px));
}
.chat-panel.modal-mode.open {
  transform: translate(-50%, -50%) scale(1);
  opacity: 1;
  pointer-events: auto;
}

.chat-panel {
  position: fixed;
  bottom: 102px;
  right: 28px;
  width: 360px;
  max-height: 560px;
  background: #13131f;
  border: 1px solid rgba(124, 58, 237, 0.3);
  border-radius: 20px;
  box-shadow: 0 16px 56px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(124,58,237,0.1);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  z-index: 8999;
  transform: translateY(20px) scale(0.97);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.28s cubic-bezier(0.34,1.56,0.64,1), opacity 0.22s ease;
}
.chat-panel.open {
  transform: translateY(0) scale(1);
  opacity: 1;
  pointer-events: auto;
}

/* Cabeçalho */
.chat-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: linear-gradient(135deg, rgba(124,58,237,0.25), rgba(80,20,160,0.2));
  border-bottom: 1px solid rgba(124, 58, 237, 0.2);
  flex-shrink: 0;
}
.chat-avatar {
  position: relative;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  color: #fff;
  flex-shrink: 0;
}
.chat-status-dot {
  position: absolute;
  bottom: 1px;
  right: 1px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #22c55e;
  border: 2px solid #13131f;
}
.chat-header-info { flex: 1; }
.chat-header-info strong { display: block; font-size: 0.95rem; color: #e8e8f0; }
.chat-online { font-size: 0.75rem; color: #22c55e; }
.chat-close-btn {
  background: none;
  border: none;
  color: #8888aa;
  font-size: 16px;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
  transition: color 0.15s;
}
.chat-close-btn:hover { color: #e8e8f0; }

/* Formulário de identidade */
.chat-identity {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 16px;
  overflow-y: auto;
}
.chat-identity-msg {
  font-size: 0.92rem;
  color: #b0b0cc;
  margin: 0 0 6px;
  line-height: 1.5;
}
.chat-input-field {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(124,58,237,0.3);
  border-radius: 10px;
  padding: 10px 14px;
  color: #e8e8f0;
  font-size: 0.92rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
}
.chat-input-field:focus { border-color: var(--accent); }
.chat-input-field::placeholder { color: #555577; }
.chat-start-btn {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 11px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.2s, transform 0.15s;
  margin-top: 4px;
}
.chat-start-btn:hover { background: var(--accent-light); }
.chat-start-btn:active { transform: scale(0.98); }
.chat-start-btn:disabled { opacity: 0.6; cursor: default; }

/* Área de mensagens */
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 14px 14px 4px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  scroll-behavior: smooth;
}

/* ══════════════════════════════════════════════
   LOGIN NAV BUTTON
══════════════════════════════════════════════ */
.btn-nav-login {
  background: linear-gradient(135deg, #7c3aed, #a855f7);
  color: #fff;
  border: none;
  border-radius: 20px;
  padding: 7px 18px;
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.2s;
}
.btn-nav-login:hover { opacity: 0.85; }
.mobile-login-btn {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  color: #e2e8f0;
  font-size: 1rem;
  padding: 12px 20px;
  cursor: pointer;
}
.mobile-login-btn:hover { color: #a855f7; }

/* ══════════════════════════════════════════════
   LOGIN MODAL
══════════════════════════════════════════════ */
.login-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(6px);
  z-index: 12000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.login-modal-box {
  background: #1a1a2e;
  border: 1px solid rgba(168,85,247,0.3);
  border-radius: 16px;
  padding: 28px 24px 24px;
  width: 100%;
  max-width: 400px;
  position: relative;
  box-shadow: 0 24px 60px rgba(0,0,0,0.6);
}
.login-modal-close {
  position: absolute;
  top: 12px; right: 14px;
  background: none; border: none;
  color: #94a3b8; font-size: 1.5rem;
  cursor: pointer; line-height: 1;
}
.login-modal-close:hover { color: #f87171; }
.login-modal-logo { font-size: 2.5rem; text-align: center; margin-bottom: 6px; }
.login-modal-title {
  text-align: center;
  font-size: 1.25rem;
  font-weight: 800;
  color: #e2e8f0;
  margin: 0 0 18px;
}
.login-step-hint {
  color: #94a3b8;
  font-size: 0.88rem;
  margin: 0 0 12px;
  text-align: center;
}
.login-hello {
  color: #a855f7;
  font-weight: 700;
  text-align: center;
  margin: 0 0 12px;
  font-size: 0.95rem;
}
.login-input {
  display: block;
  width: 100%;
  box-sizing: border-box;
  background: #0f0f1a;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 10px;
  color: #e2e8f0;
  font-size: 0.95rem;
  padding: 11px 14px;
  margin-bottom: 10px;
  outline: none;
  transition: border-color 0.2s;
}
.login-input:focus { border-color: #a855f7; }
.login-btn {
  display: block;
  width: 100%;
  background: linear-gradient(135deg, #7c3aed, #a855f7);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 13px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  margin-top: 4px;
  transition: opacity 0.2s;
}
.login-btn:hover:not(:disabled) { opacity: 0.87; }
.login-btn:disabled { opacity: 0.5; cursor: default; }
.login-back {
  display: block;
  width: 100%;
  background: none;
  border: 1px solid rgba(255,255,255,0.15);
  color: #94a3b8;
  border-radius: 10px;
  padding: 10px;
  font-size: 0.88rem;
  cursor: pointer;
  margin-top: 8px;
  transition: border-color 0.2s, color 0.2s;
}
.login-back:hover { border-color: #a855f7; color: #a855f7; }
.login-error {
  color: #f87171;
  font-size: 0.83rem;
  text-align: center;
  margin-bottom: 8px;
  padding: 7px 10px;
  background: rgba(248,113,113,0.1);
  border-radius: 8px;
}
.login-spinner {
  text-align: center;
  color: #94a3b8;
  font-size: 0.9rem;
  padding: 12px 0;
}

/* ══════════════════════════════════════════════
   STUDENT DASHBOARD
══════════════════════════════════════════════ */
.student-dashboard {
  position: fixed;
  inset: 0;
  z-index: 11000;
  background: #0b0b18;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Header */
.dashboard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: #13132a;
  border-bottom: 1px solid rgba(168,85,247,0.2);
  flex-shrink: 0;
}
.dashboard-header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}
.dashboard-avatar {
  font-size: 1.8rem;
  line-height: 1;
}
.dashboard-student-name {
  font-size: 1rem;
  font-weight: 700;
  color: #e2e8f0;
}
.dashboard-course-tag {
  font-size: 0.78rem;
  color: #a855f7;
  font-weight: 600;
}
.dashboard-logout {
  background: rgba(248,113,113,0.12);
  border: 1px solid rgba(248,113,113,0.3);
  color: #f87171;
  border-radius: 8px;
  padding: 7px 16px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}
.dashboard-logout:hover { background: rgba(248,113,113,0.2); }

/* Body */
.dashboard-body {
  display: flex;
  flex: 1;
  overflow: hidden;
  gap: 0;
}

/* Sidebar */
.dashboard-sidebar {
  width: 200px;
  flex-shrink: 0;
  background: #0f0f22;
  border-right: 1px solid rgba(255,255,255,0.06);
  display: flex;
  flex-direction: column;
  padding: 16px 0;
  gap: 4px;
  overflow-y: auto;
}
.dash-nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 18px;
  background: none;
  border: none;
  color: #94a3b8;
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  border-left: 3px solid transparent;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
  width: 100%;
}
.dash-nav-item:hover {
  color: #e2e8f0;
  background: rgba(168,85,247,0.06);
}
.dash-nav-item.active {
  color: #a855f7;
  border-left-color: #a855f7;
  background: rgba(168,85,247,0.1);
  font-weight: 700;
}
.dash-nav-icon { font-size: 1.1rem; }

/* Content */
.dashboard-content {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  min-width: 0;
}
.dash-section { animation: fadeIn 0.25s ease; }
.dash-section-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: #e2e8f0;
  margin: 0 0 18px;
}

/* Progresso */
.dash-progress-card {
  background: #13132a;
  border: 1px solid rgba(168,85,247,0.2);
  border-radius: 12px;
  padding: 18px;
  margin-bottom: 16px;
}
.dash-progress-label { font-size: 0.8rem; color: #64748b; margin-bottom: 4px; }
.dash-progress-value { font-size: 1rem; font-weight: 700; color: #e2e8f0; margin-bottom: 12px; }
.dash-progress-bar-wrap {
  background: rgba(255,255,255,0.06);
  border-radius: 99px;
  height: 8px;
  overflow: hidden;
  margin-bottom: 6px;
}
.dash-progress-bar {
  height: 100%;
  border-radius: 99px;
  background: linear-gradient(90deg, #7c3aed, #a855f7);
  transition: width 1s ease;
}
.dash-progress-pct { font-size: 0.8rem; color: #a855f7; font-weight: 600; }
.dash-info-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}
.dash-info-chip {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 20px;
  padding: 5px 12px;
  font-size: 0.8rem;
  color: #94a3b8;
}

/* Mensalidade */
.dash-payment-card {
  background: #13132a;
  border: 1px solid rgba(168,85,247,0.2);
  border-radius: 12px;
  padding: 18px;
}
.dash-payment-status {
  display: inline-block;
  border-radius: 20px;
  padding: 5px 14px;
  font-size: 0.82rem;
  font-weight: 700;
  margin-bottom: 14px;
}
.dash-payment-status.pending {
  background: rgba(251,191,36,0.12);
  color: #fbbf24;
  border: 1px solid rgba(251,191,36,0.3);
}
.dash-payment-status.ok {
  background: rgba(107,203,119,0.12);
  color: #6bcb77;
  border: 1px solid rgba(107,203,119,0.3);
}
.dash-payment-detail { font-size: 0.9rem; color: #94a3b8; margin-bottom: 6px; }
.dash-payment-detail strong { color: #e2e8f0; }
.dash-payment-note { font-size: 0.82rem; color: #64748b; margin-top: 14px; }
.dash-wa-link { color: #25d366; font-weight: 600; text-decoration: none; }
.dash-wa-link:hover { text-decoration: underline; }

/* Avaliação */
.dash-eval-card {
  background: #13132a;
  border: 1px solid rgba(168,85,247,0.2);
  border-radius: 12px;
  padding: 18px;
  color: #94a3b8;
  font-size: 0.9rem;
}
.dash-eval-placeholder {
  text-align: center;
  padding: 32px 0 16px;
}
.dash-eval-placeholder span { font-size: 2.5rem; }
.dash-eval-placeholder p { color: #64748b; margin-top: 10px; }

/* Player */
.dashboard-player {
  width: 320px;
  flex-shrink: 0;
  background: #0f0f22;
  border-left: 1px solid rgba(255,255,255,0.06);
  display: flex;
  flex-direction: column;
  padding: 16px;
  gap: 10px;
}
.dash-player-label {
  font-size: 0.82rem;
  color: #64748b;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.dash-player-wrap {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  border-radius: 10px;
  overflow: hidden;
  background: #000;
}
.dash-player-iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border-radius: 10px;
}
.dash-player-note {
  font-size: 0.78rem;
  color: #64748b;
  text-align: center;
  margin: 0;
}

/* Responsive */
@media (max-width: 900px) {
  .dashboard-player { display: none; }
  .dashboard-sidebar { width: 56px; }
  .dash-nav-item span:last-child { display: none; }
  .dash-nav-item { justify-content: center; padding: 12px; }
}
@media (max-width: 600px) {
  .dashboard-body { flex-direction: column; }
  .dashboard-sidebar {
    width: 100%;
    flex-direction: row;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding: 8px 12px;
    border-right: none;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    height: auto;
    gap: 0;
  }
  .dash-nav-item {
    flex-direction: column;
    gap: 4px;
    font-size: 0.72rem;
    padding: 8px 10px;
    border-left: none;
    border-bottom: 3px solid transparent;
    white-space: nowrap;
  }
  .dash-nav-item span:last-child { display: block; }
  .dash-nav-item.active {
    border-left-color: transparent;
    border-bottom-color: #a855f7;
  }
  .dashboard-content { padding: 16px; }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}
.chat-messages::-webkit-scrollbar { width: 4px; }
.chat-messages::-webkit-scrollbar-thumb { background: rgba(124,58,237,0.3); border-radius: 2px; }

/* Bolhas */
.chat-bubble-wrap {
  display: flex;
  flex-direction: column;
  max-width: 82%;
}
.chat-bubble-wrap.visitor { align-self: flex-end; align-items: flex-end; }
.chat-bubble-wrap.bot,
.chat-bubble-wrap.owner { align-self: flex-start; align-items: flex-start; }

.chat-bubble-sender { font-size: 0.7rem; color: #8888aa; margin-bottom: 3px; }

.chat-bubble {
  padding: 9px 13px;
  border-radius: 16px;
  font-size: 0.88rem;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
}
.chat-bubble-wrap.visitor .chat-bubble {
  background: var(--accent);
  color: #fff;
  border-bottom-right-radius: 4px;
}
.chat-bubble-wrap.bot .chat-bubble {
  background: rgba(255,255,255,0.07);
  color: #d8d8ee;
  border-bottom-left-radius: 4px;
}
.chat-bubble-wrap.owner .chat-bubble {
  background: rgba(34,197,94,0.15);
  color: #a8f0c0;
  border: 1px solid rgba(34,197,94,0.2);
  border-bottom-left-radius: 4px;
}
.chat-bubble-time { font-size: 0.67rem; color: #55557799; margin-top: 3px; }

/* Indicador de digitação */
.chat-typing {
  flex-shrink: 0;
  padding: 8px 14px;
  display: flex;
  gap: 5px;
  align-items: center;
}
.chat-typing span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-light);
  animation: chatDot 1.2s ease-in-out infinite;
}
.chat-typing span:nth-child(2) { animation-delay: 0.2s; }
.chat-typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes chatDot {
  0%, 80%, 100% { transform: scale(0.7); opacity: 0.4; }
  40%           { transform: scale(1);   opacity: 1;   }
}

/* Rodapé de input */
.chat-footer {
  flex-shrink: 0;
  display: flex;
  gap: 8px;
  padding: 10px 12px;
  border-top: 1px solid rgba(124,58,237,0.15);
  background: rgba(0,0,0,0.15);
}
.chat-msg-input {
  flex: 1;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(124,58,237,0.25);
  border-radius: 22px;
  padding: 9px 14px;
  color: #e8e8f0;
  font-size: 0.88rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
}
.chat-msg-input:focus { border-color: var(--accent); }
.chat-msg-input::placeholder { color: #55557799; }
.chat-send-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--accent);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.2s, transform 0.15s;
}
.chat-send-btn:hover { background: var(--accent-light); }
.chat-send-btn:active { transform: scale(0.93); }
.chat-send-btn svg { width: 18px; height: 18px; color: #fff; }

/* Mobile */
@media (max-width: 500px) {
  .chat-panel { right: 12px; left: 12px; width: auto; bottom: 90px; max-height: 70vh; }
  .chat-fab   { right: 18px; bottom: 18px; left: auto; }
  .chat-identity { padding: 16px 12px; }
  .chat-input-field { font-size: 16px; }
  .chat-start-btn { font-size: 16px; padding: 13px; }
}
@media (max-width: 360px) {
  .chat-panel { right: 8px; left: 8px; bottom: 80px; }
}

/* ============================================================
   LIGHT THEME — Blue & Yellow University Overrides
   ============================================================ */

/* ── Scrollbar ──────────── */
::-webkit-scrollbar-track { background: #f1f5f9; }
::-webkit-scrollbar-thumb { background: var(--accent); }

/* ── Weather bar ──────────── */
.wb-temp { color: var(--accent); }

/* ── Navbar ──────────── */
.nav-logo { color: var(--text); }
.navbar.scrolled { box-shadow: 0 1px 8px rgba(0,0,0,0.06); }

.btn-outline { color: #fff; border-color: rgba(255,255,255,0.5); }
.btn-outline:hover { background: rgba(255,255,255,0.15); color: #fff; }
.scroll-indicator .scroll-line { background: rgba(255,255,255,0.3); }

/* ── Section dark → light-alt ──── */
.section-dark { background: #f1f5f9; }

/* ── Cards ──────────── */
.skill-card, .talk-card, .info-card, .about-visual .avatar-card {
  background: #fff;
  border: 1px solid var(--border);
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}
.skill-card:hover, .talk-card:hover {
  box-shadow: 0 8px 30px rgba(30,64,175,0.1);
  border-color: var(--border-accent);
}

/* ── Stat numbers ──────────── */
.stat-num { color: var(--accent); }

/* ── Code snippet ──────────── */
.code-snippet {
  background: #1e293b;
  border: 1px solid #334155;
  box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}
.code-snippet .code-header { background: #0f172a; border-bottom: 1px solid #334155; }
.code-snippet .kw { color: #60a5fa; }
.code-snippet .var { color: #fbbf24; }
.code-snippet .str { color: #34d399; }
.code-snippet .prop { color: #a5b4fc; }
.code-snippet code { color: #e2e8f0; }

/* ── Talk card featured ──────────── */
.talk-card.featured {
  background: linear-gradient(135deg, rgba(30,64,175,0.08), rgba(37,99,235,0.05));
  border-color: var(--border-accent);
}
.talk-tag { background: var(--accent); color: #fff; }

/* ── Chess section ──────────── */
.avatar-card {
  background: linear-gradient(135deg, #eff6ff, #dbeafe) !important;
  border: 1px solid var(--border-accent) !important;
  box-shadow: 0 8px 30px rgba(30,64,175,0.1) !important;
}
.avatar-glow { background: radial-gradient(circle, rgba(30,64,175,0.15), transparent) !important; }

.mini-board { background: #fff; border: 2px solid var(--border); box-shadow: 0 4px 20px rgba(0,0,0,0.06); }

/* ── Contact form ──────────── */
.contact-form input, .contact-form select, .contact-form textarea {
  background: #fff;
  border: 1px solid #cbd5e1;
  color: var(--text);
}
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(30,64,175,0.1);
}
.contact-form input::placeholder, .contact-form textarea::placeholder { color: #94a3b8; }

/* ── Footer ──────────── */
.footer {
  background: #1e293b;
  color: #e2e8f0;
}
.footer .accent { color: #fbbf24; }
.footer-quote { color: #94a3b8; }
.footer-copy { color: #64748b; }

/* ── Chat widget ──────────── */
.chat-panel {
  background: #fff !important;
  border: 1px solid #e2e8f0 !important;
  box-shadow: 0 12px 40px rgba(0,0,0,0.12) !important;
}
.chat-header {
  background: linear-gradient(135deg, var(--accent), var(--accent-light)) !important;
  border-bottom: none !important;
}
.chat-header strong, .chat-online { color: #fff !important; }
.chat-close-btn { color: #fff !important; }
.chat-messages { background: #f8fafc !important; }
.chat-messages::-webkit-scrollbar-thumb { background: rgba(30,64,175,0.2) !important; }
.chat-bubble-bot { background: #f1f5f9 !important; color: var(--text) !important; border: 1px solid #e2e8f0 !important; }
.chat-bubble-user { background: var(--accent) !important; color: #fff !important; }
.chat-bubble-sender { color: var(--text-muted) !important; }
.chat-bubble-time { color: #94a3b8 !important; }
.chat-footer { background: #fff !important; border-top: 1px solid #e2e8f0 !important; }
.chat-msg-input { background: #f1f5f9 !important; border: 1px solid #e2e8f0 !important; color: var(--text) !important; }
.chat-msg-input::placeholder { color: #94a3b8 !important; }
.chat-identity { background: #fff !important; }
.chat-identity-msg { color: var(--text) !important; }
.chat-input-field {
  background: #f8fafc !important;
  border: 1px solid #e2e8f0 !important;
  color: var(--text) !important;
}
.chat-input-field::placeholder { color: #94a3b8 !important; }
.chat-start-btn { background: linear-gradient(135deg, var(--accent), var(--accent-light)) !important; }
.chat-fab { background: var(--accent) !important; box-shadow: 0 4px 16px rgba(30,64,175,0.3) !important; }
.chat-fab:hover { background: var(--accent-light) !important; }
.chat-fab-pulse { background: var(--accent) !important; }
.chat-typing span { background: var(--accent) !important; }

/* ── Modals ──────────── */
.courses-modal-overlay, .course-detail-overlay, .pix-wait-overlay, .login-modal-overlay {
  background: rgba(0,0,0,0.5) !important;
}
.courses-modal, .course-detail, .pix-wait-box, .login-modal-box {
  background: #fff !important;
  border: 1px solid #e2e8f0 !important;
  box-shadow: 0 20px 60px rgba(0,0,0,0.15) !important;
  color: var(--text) !important;
}
.courses-title, .course-detail-title { color: var(--text) !important; }
.courses-sub, .course-detail-desc { color: var(--text-muted) !important; }
.course-item {
  border-bottom: 1px solid #f1f5f9 !important;
  color: var(--text) !important;
}
.course-item:hover { background: #f8fafc !important; }
.course-arrow { color: var(--accent) !important; }
.courses-close { color: var(--text-muted) !important; }
.courses-close:hover { color: var(--text) !important; }

/* ── Login modal ──────────── */
.login-modal-title { color: var(--text) !important; }
.login-step-hint { color: var(--text-muted) !important; }
.login-input {
  background: #f8fafc !important;
  border: 1px solid #e2e8f0 !important;
  color: var(--text) !important;
}
.login-input:focus { border-color: var(--accent) !important; }
.login-btn { background: linear-gradient(135deg, var(--accent), var(--accent-light)) !important; color: #fff !important; }
.login-back { color: var(--text-muted) !important; border-color: #e2e8f0 !important; }
.login-back:hover { border-color: var(--accent) !important; color: var(--accent) !important; }
.login-hello { color: var(--accent) !important; }
.mobile-login-btn { color: var(--accent) !important; }
.mobile-login-btn:hover { color: var(--accent-light) !important; }

/* ── Dashboard ──────────── */
.student-dashboard { background: #f8fafc !important; }
.dashboard-header { background: var(--accent) !important; }
.dashboard-header, .dashboard-header * { color: #fff !important; }
.dashboard-sidebar { background: #fff !important; border-right: 1px solid #e2e8f0 !important; }
.dash-nav-item { color: var(--text-muted) !important; background: transparent !important; }
.dash-nav-item.active { color: var(--accent) !important; background: #eff6ff !important; border-left-color: var(--accent) !important; }
.dash-nav-item:hover { background: #f8fafc !important; }
.dashboard-content { background: #f8fafc !important; }
.dash-section-title { color: var(--text) !important; }
.dash-progress-card, .dash-payment-card, .dash-eval-card {
  background: #fff !important;
  border: 1px solid #e2e8f0 !important;
}
.dash-progress-bar { background: linear-gradient(90deg, var(--accent), var(--accent-light)) !important; }
.dash-progress-pct { color: var(--accent) !important; }
.dash-info-chip { background: #eff6ff !important; color: var(--text) !important; border: 1px solid #dbeafe !important; }
.dash-watch-history { background: #fff !important; border: 1px solid #e2e8f0 !important; }
.dash-lessons-grid .dash-lesson-card { background: #fff !important; border: 1px solid #e2e8f0 !important; }
.dash-lesson-card:hover { border-color: var(--accent) !important; box-shadow: 0 4px 16px rgba(30,64,175,0.1) !important; }

/* ── Principle boxes (chess section) ──── */
.principle { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.principle-icon { color: var(--gold); }

/* ── Social links ──────────── */
.social-item { color: var(--text) !important; }
.social-item:hover { color: var(--accent) !important; }

/* ── Card payment ──────────── */
.card-form-box { background: #fff !important; }
.card-field-label { color: var(--text) !important; }
.card-text-field {
  background: #f8fafc !important;
  border: 1px solid #e2e8f0 !important;
  color: var(--text) !important;
}
.card-pay-btn { background: var(--accent) !important; color: #fff !important; }



/* ── About Grid ──────────── */
.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  max-width: 1140px;
  margin: 32px auto 0;
  padding: 0 24px;
}
.about-card {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: transform var(--trans), box-shadow var(--trans);
}
.about-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(30,64,175,0.08);
}
.about-icon {
  font-size: 2.2rem;
  display: block;
  margin-bottom: 16px;
}
.about-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.about-card p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ── Pilares Grid ──────────── */
.section-sub {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 48px;
  font-size: 1.05rem;
}
.pilares-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}
.pilar-card {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: transform var(--trans), box-shadow var(--trans);
}
.pilar-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--gold));
}
.pilar-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(30,64,175,0.1);
}
.pilar-number {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--accent);
  opacity: 0.15;
  margin-bottom: 8px;
}
.pilar-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
}
.pilar-card p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ── Projetos Grid ──────────── */
.projetos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 24px;
  max-width: 960px;
  margin: 32px auto 0;
  padding: 0 24px;
}
.projeto-card {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  transition: transform var(--trans), box-shadow var(--trans);
}
.projeto-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(30,64,175,0.08);
}
.projeto-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}
.projeto-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
}
.projeto-card p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ── Section label override ──── */
.section-label { color: var(--accent); }

/* ══════════════════════════════════════════════
   LESSON PLAYER + GRID + HISTÓRIO
══════════════════════════════════════════════ */

/* Player central grande */
.dash-main-player-wrap {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  background: #0f0f22;
  border-radius: 14px;
  overflow: hidden;
  margin-bottom: 24px;
  border: 1px solid rgba(168,85,247,0.2);
}
.dash-player-placeholder,
.dash-main-player-iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}
.dash-player-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #64748b;
  gap: 14px;
}
.dash-player-placeholder span { font-size: 3rem; }
.dash-player-placeholder p { font-size: 0.95rem; }

/* Label acima do grid */
.dash-lessons-section-label {
  font-size: 0.78rem;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
  margin-bottom: 14px;
}

/* Grid de cards de aulas */
.dash-lessons-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 14px;
}
.dash-lesson-card {
  background: #13132a;
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
  transition: border-color 0.2s, transform 0.15s;
}
.dash-lesson-card:hover {
  border-color: rgba(168,85,247,0.5);
  transform: translateY(-2px);
}
.dash-lesson-card.watched { border-color: rgba(107,203,119,0.3); }
.dash-lesson-thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  overflow: hidden;
}
.dash-lesson-thumb img {
  width: 100%; height: 100%;
  object-fit: cover; display: block;
}
.dash-lesson-play-btn {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,0.45);
  color: #fff; font-size: 2rem;
  opacity: 0; transition: opacity 0.2s;
}
.dash-lesson-card:hover .dash-lesson-play-btn { opacity: 1; }
.dash-lesson-watched-badge {
  position: absolute; top: 6px; right: 6px;
  background: rgba(107,203,119,0.9);
  color: #fff; font-size: 0.68rem; font-weight: 700;
  padding: 2px 8px; border-radius: 20px;
}
.dash-lesson-info { padding: 10px 12px; }
.dash-lesson-num  { font-size: 0.7rem; color: #64748b; margin-bottom: 3px; }
.dash-lesson-title {
  font-size: 0.87rem; font-weight: 700; color: #e2e8f0; line-height: 1.35;
}
.dash-lesson-desc {
  font-size: 0.77rem; color: #64748b; margin-top: 4px;
  display: -webkit-box; -webkit-line-clamp: 2;
  -webkit-box-orient: vertical; overflow: hidden;
}
.dash-lessons-loading { color: #64748b; font-size: 0.9rem; padding: 16px 0; }
.dash-no-lessons { color: #64748b; font-size: 0.9rem; padding: 24px 0; }

/* Histórico no Progresso */
.dash-section-subtitle {
  font-size: 1rem; font-weight: 700; color: #e2e8f0;
  margin: 22px 0 12px;
}
.dash-watch-history { display: flex; flex-direction: column; gap: 10px; }
.dash-history-item {
  display: flex; align-items: center; gap: 12px;
  background: #13132a;
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 10px; padding: 10px; cursor: pointer;
  transition: border-color 0.2s;
}
.dash-history-item:hover { border-color: rgba(168,85,247,0.3); }
.dash-history-thumb {
  width: 80px; height: 46px;
  object-fit: cover; border-radius: 6px; flex-shrink: 0;
}
.dash-history-info { flex: 1; min-width: 0; }
.dash-history-title {
  font-size: 0.87rem; font-weight: 600; color: #e2e8f0;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.dash-history-badge {
  font-size: 0.7rem; color: #6bcb77; font-weight: 700; margin-top: 3px;
}
.dash-no-history { color: #64748b; font-size: 0.87rem; padding: 10px 0; }

@media (max-width: 600px) {
  .dash-lessons-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
  .dash-history-thumb { width: 60px; height: 34px; }
}