/* ================================================================
   HZalo - Dark Electric Theme
   ================================================================ */

:root {
  --bg: #030306;
  --bg-card: #08090f;
  --bg-card-hover: #0c0e16;
  --bg-surface: #0a0b12;
  --border: #141722;
  --border-light: #1e2233;
  --text: #d8dce8;
  --text-dim: #7a839a;
  --text-muted: #464e64;
  --blue: #3b82f6;
  --cyan: #06b6d4;
  --purple: #a855f7;
  --green: #22c55e;
  --orange: #f97316;
  --red: #ef4444;
  --white-glow: rgba(255,255,255,0.85);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Space Grotesk', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection { background: rgba(59,130,246,0.3); }

/* ── Nav ──────────────────────────────────────────── */

.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 0 40px; height: 64px;
  display: flex; align-items: center;
  background: rgba(3,3,6,0.5);
  backdrop-filter: blur(24px) saturate(1.4);
  border-bottom: 1px solid transparent;
  transition: all 0.3s;
}
.nav.scrolled { border-bottom-color: var(--border); background: rgba(3,3,6,0.88); }

.nav-inner {
  max-width: 1200px; width: 100%; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
}

.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 20px; font-weight: 700; color: #fff;
  text-decoration: none; letter-spacing: -0.5px;
}
.nav-logo-icon {
  width: 34px; height: 34px; border-radius: 9px;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700; color: #fff;
}
.nav-logo-img {
  width: 34px; height: 34px; border-radius: 9px;
  object-fit: cover;
}

.nav-links { display: flex; gap: 28px; }
.nav-links a {
  color: var(--text-muted); text-decoration: none; font-size: 13.5px;
  font-weight: 500; transition: color 0.2s; letter-spacing: 0.3px;
}
.nav-links a:hover { color: #fff; }

.nav-cta {
  padding: 8px 22px; border-radius: 7px;
  background: #fff; color: #000; text-decoration: none;
  font-size: 13px; font-weight: 700; transition: all 0.2s;
}
.nav-cta:hover { background: rgba(255,255,255,0.88); transform: translateY(-1px); }

/* ── Hero - Split Layout ──────────────────────────── */

/* Nền Lottie — dolphin jumping (lah loe, LottieFiles), dưới nội dung landing */
#dolphinOcean.dolphin-ocean {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
  background:
    radial-gradient(ellipse 120% 80% at 50% 100%, rgba(8, 47, 73, 0.45) 0%, transparent 55%),
    linear-gradient(180deg, #030306 0%, #050a14 50%, #030306 100%);
}

.dolphin-lottie-host {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.dolphin-lottie-host > svg {
  width: 100% !important;
  height: 100% !important;
  display: block;
}

@media (prefers-reduced-motion: reduce) {
  .dolphin-ocean .dolphin-lottie-host {
    opacity: 0.35;
  }
}
.hero,
.trust-bar,
.features,
.how-section,
.cta-section,
.footer,
.pricing-hero,
.pricing-grid,
.contact-page,
.admin-layout,
.admin-login-page {
  position: relative;
  z-index: 2;
}

.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 100px 40px 60px; overflow: hidden;
  background: linear-gradient(
    165deg,
    rgba(8, 10, 22, 0.78) 0%,
    rgba(3, 3, 10, 0.72) 42%,
    rgba(3, 3, 8, 0.85) 100%
  );
}

#lightningCanvas, #ctaLightning {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  pointer-events: none; z-index: 1;
}

.hero-grid {
  position: relative; z-index: 2;
  max-width: 1200px; width: 100%; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 60px; align-items: center;
}

.hero-left { max-width: 540px; }

.hero-tag {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 5px 14px; border-radius: 6px;
  background: rgba(255,255,255,0.04); border: 1px solid var(--border-light);
  font-size: 11px; font-weight: 600; letter-spacing: 1.5px;
  color: var(--text-muted); margin-bottom: 24px;
  font-family: 'JetBrains Mono', monospace;
}
.tag-bolt { font-size: 14px; }
.tag-live {
  background: var(--green); color: #000; padding: 1px 6px;
  border-radius: 3px; font-size: 9px; font-weight: 700;
  animation: livePulse 2s infinite;
}
@keyframes livePulse { 0%,100% { opacity: 1; } 50% { opacity: 0.5; } }

.glitch-title {
  font-size: 80px; font-weight: 700; color: #fff;
  letter-spacing: -3px; line-height: 0.95;
  margin-bottom: 12px; position: relative;
}
.glitch-title::after {
  content: attr(data-text);
  position: absolute; left: 2px; top: 2px;
  color: var(--cyan); opacity: 0;
  clip-path: inset(0);
}

.hero-tagline {
  font-size: 22px; color: var(--text-dim); font-weight: 500;
  margin-bottom: 20px; line-height: 1.4;
}
.typed-text {
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; font-weight: 700;
}

.hero-desc {
  font-size: 15px; line-height: 1.75; color: var(--text-muted);
  margin-bottom: 32px;
}

.hero-btns { display: flex; gap: 14px; margin-bottom: 48px; }

.btn-electric {
  position: relative; display: inline-flex; padding: 14px 30px;
  border-radius: 10px; text-decoration: none; overflow: hidden;
}
.btn-electric-bg {
  position: absolute; inset: 0; background: #fff; border-radius: 10px;
  z-index: 0;
}
.btn-electric-text {
  position: relative; z-index: 1; display: flex; align-items: center; gap: 8px;
  color: #000; font-size: 14px; font-weight: 700;
}
.btn-electric:hover { transform: translateY(-2px); box-shadow: 0 4px 30px rgba(255,255,255,0.15); }

.btn-ghost {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 14px 24px; border-radius: 10px;
  background: transparent; border: 1px solid var(--border-light);
  color: var(--text-dim); text-decoration: none;
  font-size: 14px; font-weight: 600; transition: all 0.2s;
}
.btn-ghost:hover { border-color: var(--text-muted); color: #fff; }

.hero-metrics {
  display: flex; align-items: center; gap: 24px;
}
.metric-val {
  font-size: 28px; font-weight: 700; color: #fff;
  font-family: 'JetBrains Mono', monospace;
}
.metric-label { font-size: 11px; color: var(--text-muted); margin-top: 2px; }
.metric-sep { width: 1px; height: 36px; background: var(--border-light); }

/* Terminal Window */
.terminal-window {
  background: #0a0b10; border: 1px solid var(--border-light);
  border-radius: 12px; overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 80px rgba(59,130,246,0.05);
}
.terminal-bar {
  display: flex; align-items: center; gap: 7px;
  padding: 12px 16px; background: rgba(255,255,255,0.02);
  border-bottom: 1px solid var(--border);
}
.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot.red { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green { background: #28c840; }
.terminal-title {
  margin-left: 10px; font-size: 11px; color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
}
.terminal-body {
  padding: 18px 20px; font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px; line-height: 1.9;
}
.term-line { color: var(--text); }
.term-line.t-dim { color: var(--text-muted); }
.term-line.t-success { color: var(--green); font-weight: 600; }
.t-prompt { color: var(--cyan); font-weight: 700; margin-right: 8px; }
.t-cyan { color: var(--cyan); }
.t-purple { color: var(--purple); }
.t-green { color: var(--green); }
.cursor-blink { animation: blink 1s step-end infinite; }
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0; } }

.hero-scan-line {
  position: absolute; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent 10%, rgba(59,130,246,0.2) 50%, transparent 90%);
  animation: scanMove 4s linear infinite; pointer-events: none; z-index: 3;
}
@keyframes scanMove { 0% { top: 0; } 100% { top: 100%; } }

/* ── Trust Bar ────────────────────────────────────── */

.trust-bar {
  padding: 28px 40px; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.01);
}
.trust-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; gap: 32px;
}
.trust-label {
  font-size: 10px; font-weight: 700; letter-spacing: 2px;
  color: var(--text-muted); white-space: nowrap;
}
.trust-items {
  display: flex; gap: 32px; flex-wrap: wrap;
  font-size: 13px; color: var(--text-muted);
}
.trust-items span { white-space: nowrap; }

/* ── Section Shared ───────────────────────────────── */

.section-inner { max-width: 1100px; margin: 0 auto; padding: 0 40px; }

.section-header { text-align: center; margin-bottom: 56px; }
.section-tag {
  display: inline-block; font-size: 11px; font-weight: 700;
  letter-spacing: 2px; color: var(--text-muted);
  background: rgba(255,255,255,0.03); padding: 5px 16px;
  border-radius: 6px; margin-bottom: 16px; border: 1px solid var(--border);
  font-family: 'JetBrains Mono', monospace;
}
.section-header h2 {
  font-size: 44px; font-weight: 700; color: #fff;
  line-height: 1.15; letter-spacing: -1.5px; margin-bottom: 12px;
}
.section-header p { font-size: 15px; color: var(--text-dim); }

.text-gradient {
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Bento Grid Features ──────────────────────────── */

.features { padding: 110px 0; }

.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.bento-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 14px; padding: 28px 24px;
  transition: all 0.35s; position: relative; overflow: hidden;
  opacity: 0; transform: translateY(24px);
}
.bento-card.visible { opacity: 1; transform: translateY(0); }
.bento-card:hover {
  border-color: var(--border-light); background: var(--bg-card-hover);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}
.bento-card.bento-lg { grid-column: span 2; }
.bento-card.bento-wide { grid-column: span 2; }

.bento-icon-wrap {
  width: 48px; height: 48px; border-radius: 12px;
  background: rgba(59,130,246,0.08); border: 1px solid rgba(59,130,246,0.15);
  display: flex; align-items: center; justify-content: center;
  color: var(--blue); margin-bottom: 18px;
}
.bento-icon-wrap.icon-cyan { background: rgba(6,182,212,0.08); border-color: rgba(6,182,212,0.15); color: var(--cyan); }
.bento-icon-wrap.icon-purple { background: rgba(168,85,247,0.08); border-color: rgba(168,85,247,0.15); color: var(--purple); }
.bento-icon-wrap.icon-green { background: rgba(34,197,94,0.08); border-color: rgba(34,197,94,0.15); color: var(--green); }
.bento-icon-wrap.icon-orange { background: rgba(249,115,22,0.08); border-color: rgba(249,115,22,0.15); color: var(--orange); }

.bento-card h3 { font-size: 17px; font-weight: 700; color: #fff; margin-bottom: 8px; }
.bento-card p { font-size: 13.5px; color: var(--text-dim); line-height: 1.65; }

.fake-layers {
  display: flex; flex-wrap: wrap; gap: 6px; margin-top: 16px;
}
.fake-layers span {
  padding: 4px 12px; border-radius: 6px; font-size: 11px; font-weight: 600;
  background: rgba(59,130,246,0.06); border: 1px solid rgba(59,130,246,0.12);
  color: var(--blue); font-family: 'JetBrains Mono', monospace;
  animation: layerPop 0.4s ease calc(var(--i) * 0.08s) both;
}
@keyframes layerPop { from { opacity: 0; transform: scale(0.8); } to { opacity: 1; transform: scale(1); } }

/* ── How Section ──────────────────────────────────── */

.how-section {
  padding: 110px 0;
  background: var(--bg-surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
}
.steps-row {
  display: flex; align-items: center; justify-content: center; gap: 24px;
}
.step-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 14px; padding: 28px 24px; text-align: center;
  width: 220px; transition: all 0.3s;
  opacity: 0; transform: translateY(20px);
}
.step-card.visible { opacity: 1; transform: translateY(0); }
.step-card:hover { border-color: var(--border-light); transform: translateY(-3px); }
.step-num {
  font-size: 36px; font-weight: 700; color: rgba(255,255,255,0.06);
  font-family: 'JetBrains Mono', monospace; margin-bottom: 10px;
}
.step-icon {
  width: 48px; height: 48px; border-radius: 12px; margin: 0 auto 14px;
  background: rgba(59,130,246,0.08); border: 1px solid rgba(59,130,246,0.15);
  display: flex; align-items: center; justify-content: center;
  color: var(--blue);
}
.step-icon.icon-cyan { background: rgba(6,182,212,0.08); border-color: rgba(6,182,212,0.15); color: var(--cyan); }
.step-icon.icon-green { background: rgba(34,197,94,0.08); border-color: rgba(34,197,94,0.15); color: var(--green); }
.step-card h3 { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 6px; }
.step-card p { font-size: 12.5px; color: var(--text-muted); line-height: 1.6; }
.step-arrow {
  color: var(--text-muted); opacity: 0; transform: translateX(-10px);
  transition: all 0.5s;
}
.step-arrow.visible { opacity: 1; transform: translateX(0); }

/* ── CTA ──────────────────────────────────────────── */

.cta-section {
  padding: 120px 40px; position: relative; overflow: hidden;
}
.cta-inner {
  max-width: 700px; margin: 0 auto; text-align: center;
  position: relative; z-index: 2;
  opacity: 0; transform: translateY(24px);
}
.cta-inner.visible { opacity: 1; transform: translateY(0); }
.cta-inner h2 { font-size: 42px; font-weight: 700; color: #fff; margin-bottom: 14px; letter-spacing: -1.5px; }
.cta-inner p { font-size: 16px; color: var(--text-dim); margin-bottom: 32px; }

/* ── Thunder Flash ────────────────────────────────── */
.thunder-flash {
  position: fixed; inset: 0; z-index: 9998;
  background: rgba(255, 230, 120, 0.07);
  pointer-events: none;
  animation: thunderFlash 0.12s ease-out forwards;
}
@keyframes thunderFlash { 0% { opacity: 1; } 100% { opacity: 0; } }

/* ═══ Pricing ═════════════════════════════════════════ */

.pricing-hero {
  position: relative; padding: 150px 40px 70px; text-align: center;
  overflow: hidden;
  background: linear-gradient(
    165deg,
    rgba(8, 10, 22, 0.82) 0%,
    rgba(3, 3, 10, 0.76) 45%,
    rgba(3, 3, 8, 0.88) 100%
  );
}
.pricing-hero h1 {
  font-size: 48px; font-weight: 700; color: #fff;
  letter-spacing: -2px; margin-bottom: 12px; position: relative; z-index: 2;
}
.pricing-hero p { font-size: 16px; color: var(--text-dim); position: relative; z-index: 2; }

.pricing-grid {
  max-width: 1050px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 20px; padding: 20px 40px 120px;
}

/* ── Glow Border Effect (Running white light) ─────── */

.glow-border {
  position: relative; border-radius: 18px;
  padding: 2px; background: var(--bg-card);
  overflow: hidden;
}

.glow-border::before {
  content: '';
  position: absolute; top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: conic-gradient(
    from 0deg,
    transparent 0%,
    transparent 70%,
    var(--white-glow) 78%,
    rgba(255,255,255,0.95) 80%,
    var(--white-glow) 82%,
    transparent 90%,
    transparent 100%
  );
  animation: rotateBorder 3s linear infinite;
  z-index: 0;
}

.glow-border.featured::before {
  background: conic-gradient(
    from 0deg,
    transparent 0%,
    transparent 60%,
    rgba(59,130,246,0.6) 70%,
    var(--white-glow) 78%,
    rgba(255,255,255,1) 80%,
    var(--white-glow) 82%,
    rgba(6,182,212,0.6) 90%,
    transparent 100%
  );
  animation: rotateBorder 2.5s linear infinite;
}

@keyframes rotateBorder { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

.glow-border::after {
  content: '';
  position: absolute; inset: 2px;
  background: var(--bg-card);
  border-radius: 16px; z-index: 1;
}

.price-card-inner {
  position: relative; z-index: 2;
  padding: 34px 28px; border-radius: 16px;
  background: var(--bg-card);
}

.price-badge {
  position: absolute; top: 14px; left: 50%; transform: translateX(-50%);
  z-index: 3;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  color: #fff; font-size: 10px; font-weight: 700;
  padding: 4px 16px; border-radius: 20px;
  letter-spacing: 0.5px; white-space: nowrap;
}

.price-card.featured .price-card-inner {
  padding-top: 44px;
}

.price-plan {
  font-size: 12px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 2px; color: var(--text-muted); margin-bottom: 12px;
  font-family: 'JetBrains Mono', monospace;
}
.price-amount { display: flex; align-items: baseline; gap: 4px; margin-bottom: 4px; }
.price-currency { font-size: 18px; font-weight: 700; color: var(--text-dim); }
.price-value { font-size: 48px; font-weight: 700; color: #fff; letter-spacing: -2px; }
.price-period { font-size: 13px; color: var(--text-muted); margin-bottom: 24px; }

.price-features { list-style: none; flex: 1; margin-bottom: 24px; }
.price-features li {
  display: flex; align-items: center; gap: 10px;
  font-size: 13px; color: var(--text-dim); padding: 7px 0;
  border-bottom: 1px solid rgba(20,23,34,0.8);
}
.price-features li:last-child { border-bottom: none; }
.price-check { font-size: 12px; flex-shrink: 0; }

.price-btn {
  display: block; text-align: center; padding: 12px 24px;
  border-radius: 9px; font-size: 14px; font-weight: 700;
  text-decoration: none; transition: all 0.2s;
  border: 1px solid var(--border-light);
  color: var(--text); background: rgba(255,255,255,0.03);
}
.price-btn:hover { background: rgba(255,255,255,0.08); border-color: var(--text-muted); }
.price-btn.primary {
  background: #fff; border: none; color: #000;
  box-shadow: 0 4px 24px rgba(255,255,255,0.1);
}
.price-btn.primary:hover {
  box-shadow: 0 8px 32px rgba(255,255,255,0.18);
  transform: translateY(-1px);
}

/* ── Footer ───────────────────────────────────────── */

.footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 56px 40px 0;
}
.footer-inner {
  max-width: 1100px; margin: 0 auto;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px; padding-bottom: 40px;
}
.footer-logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 18px; font-weight: 700; color: #fff; margin-bottom: 12px;
}
.footer-brand p { font-size: 13px; color: var(--text-muted); line-height: 1.7; }
.footer-col h4 {
  font-size: 11px; font-weight: 700; color: var(--text-dim);
  text-transform: uppercase; letter-spacing: 1px; margin-bottom: 14px;
}
.footer-col a {
  display: block; font-size: 13px; color: var(--text-muted);
  text-decoration: none; margin-bottom: 9px; transition: color 0.2s;
}
.footer-col a:hover { color: #fff; }
.footer-bottom {
  max-width: 1100px; margin: 0 auto; padding: 18px 0;
  border-top: 1px solid var(--border);
  font-size: 11px; color: var(--text-muted); text-align: center;
}

/* ── Animations ───────────────────────────────────── */

[data-animate] {
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
[data-animate].visible { opacity: 1; transform: translateY(0); }

/* ── Responsive ───────────────────────────────────── */

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-right { display: none; }
  .glitch-title { font-size: 52px; }
  .bento-grid { grid-template-columns: 1fr; }
  .bento-card.bento-lg, .bento-card.bento-wide { grid-column: span 1; }
  .steps-row { flex-direction: column; }
  .step-arrow { transform: rotate(90deg) !important; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 400px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
  .hero-metrics { flex-wrap: wrap; }
  .trust-inner { flex-direction: column; gap: 12px; }
  .trust-items { justify-content: center; }
}

/* ═══ Admin Panel (unchanged) ═════════════════════════════ */

.admin-body {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  background: transparent;
  color: #e2e5ef;
  min-height: 100vh;
}
.admin-login-page {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(
    165deg,
    rgba(8, 10, 22, 0.88) 0%,
    rgba(3, 3, 10, 0.82) 50%,
    rgba(3, 3, 8, 0.92) 100%
  );
}
.admin-login-card {
  width: 400px; max-width: 90vw;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 16px; padding: 40px 36px;
  box-shadow: 0 16px 48px rgba(0,0,0,0.4);
}
.admin-login-card h1 { font-size: 24px; font-weight: 700; text-align: center; margin-bottom: 8px; color: #fff; }
.admin-login-card .subtitle { text-align: center; color: var(--text-muted); font-size: 13px; margin-bottom: 28px; }
.admin-field { margin-bottom: 16px; }
.admin-field label { display: block; font-size: 12px; font-weight: 600; color: var(--text-dim); margin-bottom: 6px; }
.admin-field input {
  width: 100%; padding: 11px 14px; border-radius: 8px;
  background: var(--bg-surface); border: 1px solid var(--border);
  color: var(--text); font-size: 14px; outline: none; transition: border-color 0.2s;
}
.admin-field input:focus { border-color: var(--blue); }
.admin-btn {
  width: 100%; padding: 12px; border: none; border-radius: 8px;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  color: #fff; font-size: 14px; font-weight: 700; cursor: pointer; margin-top: 8px;
}
.admin-btn:hover { opacity: 0.9; }
.admin-error {
  background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.2);
  color: var(--red); padding: 10px 14px; border-radius: 8px; font-size: 13px; margin-bottom: 16px;
}
.admin-layout { display: flex; min-height: 100vh; }
.admin-sidebar { width: 240px; background: var(--bg-card); border-right: 1px solid var(--border); display: flex; flex-direction: column; padding: 20px 0; }
.admin-sidebar-brand { display: flex; align-items: center; gap: 10px; padding: 0 20px 20px; border-bottom: 1px solid var(--border); margin-bottom: 16px; }
.admin-sidebar-brand .nav-logo-icon { width: 32px; height: 32px; font-size: 11px; }
.admin-sidebar-brand span { font-size: 16px; font-weight: 700; color: #fff; }
.admin-sidebar-brand small { font-size: 10px; color: var(--text-muted); display: block; }
.admin-nav a { display: flex; align-items: center; gap: 10px; padding: 10px 20px; font-size: 13px; font-weight: 500; color: var(--text-dim); text-decoration: none; transition: all 0.15s; }
.admin-nav a:hover { background: rgba(255,255,255,0.03); color: #fff; }
.admin-nav a.active { background: rgba(59,130,246,0.08); color: var(--blue); border-right: 2px solid var(--blue); }
.admin-nav a svg { width: 18px; height: 18px; opacity: 0.7; }
.admin-main { flex: 1; padding: 28px 32px; overflow-y: auto; }
.admin-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 28px; }
.admin-header h1 { font-size: 24px; font-weight: 700; color: #fff; }
.admin-filter-panel {
  margin-bottom: 22px;
  border-radius: 14px;
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border);
  box-shadow:
    0 4px 28px rgba(0,0,0,0.32),
    0 0 0 1px rgba(59,130,246,0.1),
    inset 0 1px 0 rgba(255,255,255,0.03);
}
.admin-filter-panel summary {
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  color: #eef1f7;
  letter-spacing: 0.02em;
  list-style: none;
  user-select: none;
  padding: 14px 18px;
  background: linear-gradient(105deg, rgba(59,130,246,0.12) 0%, rgba(6,182,212,0.04) 42%, transparent 70%);
  border-bottom: 1px solid var(--border);
  transition: background 0.2s, color 0.2s;
}
.admin-filter-panel summary:hover {
  background: linear-gradient(105deg, rgba(59,130,246,0.18) 0%, rgba(6,182,212,0.08) 50%, transparent 75%);
  color: #fff;
}
.admin-filter-panel summary::-webkit-details-marker { display: none; }
.admin-filter-panel summary::before {
  content: '▸';
  display: inline-block;
  width: 1.35em;
  color: var(--cyan);
  font-size: 11px;
  vertical-align: middle;
}
.admin-filter-panel[open] summary::before { content: '▾'; }
.admin-filter-panel form {
  padding: 18px 20px 18px;
  background: linear-gradient(180deg, rgba(10,11,18,0.5) 0%, transparent 120px);
}
.admin-filter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(188px, 1fr));
  gap: 14px 18px;
  margin-top: 0;
  align-items: end;
}
.admin-filter-grid .admin-field { margin-bottom: 0; }
.admin-filter-grid .admin-field label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.55px;
  color: var(--text-muted);
  margin-bottom: 6px;
  display: block;
}
.admin-filter-panel .admin-filter-grid input[type="text"],
.admin-filter-panel .admin-filter-grid input[type="date"],
.admin-filter-panel .admin-filter-grid select {
  width: 100%;
  padding: 11px 14px;
  border-radius: 10px;
  background: rgba(8,9,15,0.9);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 13px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}
.admin-filter-panel .admin-filter-grid select {
  cursor: pointer;
  appearance: none;
  background-color: rgba(8,9,15,0.9);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%237a839a' d='M3 4.5L6 8l3-3.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}
.admin-filter-panel .admin-filter-grid input:hover,
.admin-filter-panel .admin-filter-grid select:hover {
  border-color: var(--border-light);
  background-color: var(--bg-surface);
}
.admin-filter-panel .admin-filter-grid input:focus,
.admin-filter-panel .admin-filter-grid select:focus {
  border-color: rgba(59,130,246,0.55);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
}
.admin-filter-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid rgba(30,34,51,0.75);
  align-items: center;
}
.admin-filter-actions .admin-btn-primary {
  box-shadow: 0 2px 12px rgba(59,130,246,0.25);
}
.admin-filter-actions .admin-btn-primary:hover {
  box-shadow: 0 4px 18px rgba(59,130,246,0.35);
  filter: brightness(1.05);
}
.admin-filter-actions .admin-btn-secondary:hover {
  border-color: rgba(255,255,255,0.12);
  color: #fff;
}
.admin-filter-meta {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-dim);
  margin-left: auto;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
}
@media (max-width: 720px) {
  .admin-filter-meta { margin-left: 0; width: 100%; text-align: center; }
}
.admin-logout { padding: 7px 18px; border-radius: 8px; background: rgba(255,255,255,0.04); border: 1px solid var(--border); color: var(--text-dim); font-size: 12px; font-weight: 600; text-decoration: none; }
.admin-logout:hover { background: rgba(255,255,255,0.08); color: #fff; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 28px; }
.stat-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; padding: 20px; }
.stat-card-label { font-size: 11px; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; }
.stat-card-value { font-size: 32px; font-weight: 700; color: #fff; margin-top: 4px; }
.stat-card-value.blue { color: var(--blue); } .stat-card-value.green { color: var(--green); }
.stat-card-value.cyan { color: var(--cyan); } .stat-card-value.red { color: var(--red); }
.admin-table-wrap { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.admin-table-title { padding: 16px 20px; font-size: 14px; font-weight: 700; color: #fff; border-bottom: 1px solid var(--border); }
.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th { padding: 12px 16px; text-align: left; font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.8px; color: var(--text-muted); border-bottom: 1px solid var(--border); }
.admin-table td { padding: 12px 16px; font-size: 13px; color: var(--text-dim); border-bottom: 1px solid rgba(20,23,34,0.5); }
.admin-table tr:hover td { background: rgba(255,255,255,0.01); }
.badge { display: inline-block; padding: 2px 10px; border-radius: 4px; font-size: 11px; font-weight: 600; }
.badge-green { background: rgba(34,197,94,0.12); color: var(--green); }
.badge-red { background: rgba(239,68,68,0.12); color: var(--red); }
.badge-blue { background: rgba(59,130,246,0.12); color: var(--blue); }
.badge-yellow { background: rgba(234,179,8,0.12); color: #eab308; }
.admin-btn-sm { padding: 5px 14px; border-radius: 6px; border: 1px solid var(--border); background: rgba(255,255,255,0.03); color: var(--text-dim); font-size: 11px; font-weight: 600; cursor: pointer; }
.admin-btn-sm:hover { background: rgba(255,255,255,0.07); color: #fff; }
.admin-btn-sm.danger { border-color: rgba(239,68,68,0.3); color: var(--red); }
.admin-btn-sm.danger:hover { background: rgba(239,68,68,0.1); }
.admin-modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.6); display: none; align-items: center; justify-content: center; z-index: 5000; }
.admin-modal-overlay.show { display: flex; }
.admin-modal { background: var(--bg-card); border: 1px solid var(--border); border-radius: 14px; width: 460px; max-width: 90vw; box-shadow: 0 16px 48px rgba(0,0,0,0.5); }
.admin-modal-header { display: flex; justify-content: space-between; align-items: center; padding: 18px 22px; border-bottom: 1px solid var(--border); }
.admin-modal-header h3 { font-size: 16px; font-weight: 700; color: #fff; }
.admin-modal-close { background: none; border: none; color: var(--text-muted); font-size: 20px; cursor: pointer; }
.admin-modal-body { padding: 20px 22px; }
.admin-modal-footer { padding: 14px 22px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 8px; }
.admin-btn-secondary { padding: 9px 20px; border-radius: 8px; background: var(--bg-surface); border: 1px solid var(--border); color: var(--text); font-size: 13px; font-weight: 600; cursor: pointer; }
.admin-btn-primary { padding: 9px 20px; border-radius: 8px; background: linear-gradient(135deg, var(--blue), var(--cyan)); border: none; color: #fff; font-size: 13px; font-weight: 700; cursor: pointer; }

/* ═══ Contact Page ════════════════════════════════════════ */

.contact-page {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 120px 40px 80px; overflow: hidden;
  background: linear-gradient(
    165deg,
    rgba(8, 10, 22, 0.82) 0%,
    rgba(3, 3, 10, 0.76) 45%,
    rgba(3, 3, 8, 0.88) 100%
  );
}

.contact-content {
  position: relative; z-index: 2;
  max-width: 700px; width: 100%;
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.contact-content.visible { opacity: 1; transform: translateY(0); }

.contact-header { text-align: center; margin-bottom: 48px; }
.contact-header h1 {
  font-size: 44px; font-weight: 700; color: #fff;
  letter-spacing: -1.5px; margin-top: 12px; margin-bottom: 12px;
}
.contact-header p { font-size: 15px; color: var(--text-dim); max-width: 500px; margin: 0 auto; }

.contact-grid { display: flex; flex-direction: column; gap: 12px; }

.contact-card {
  display: block; text-decoration: none; border-radius: 16px;
  transition: transform 0.3s;
}
.contact-card:hover { transform: translateY(-2px); }

.contact-card .glow-border-line { display: none; }
.contact-card.glow-border::before { animation-duration: 4s; }

.contact-card-inner {
  position: relative; z-index: 2;
  display: flex; align-items: center; gap: 18px;
  padding: 20px 24px; border-radius: 14px;
  background: var(--bg-card);
}

.contact-icon-wrap {
  width: 52px; height: 52px; border-radius: 14px; flex-shrink: 0;
  background: rgba(59,130,246,0.08); border: 1px solid rgba(59,130,246,0.15);
  display: flex; align-items: center; justify-content: center;
  color: var(--blue);
}

.contact-info { flex: 1; }
.contact-label { font-size: 12px; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 1px; }
.contact-value { font-size: 15px; color: #fff; font-weight: 600; margin-top: 2px; word-break: break-all; }

.contact-arrow { color: var(--text-muted); transition: transform 0.2s; }
.contact-card:hover .contact-arrow { transform: translateX(4px); color: #fff; }

.contact-empty {
  text-align: center; padding: 48px 24px;
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 14px;
}
.contact-empty p { color: var(--text-dim); font-size: 15px; }

.contact-back { text-align: center; margin-top: 36px; }

@media (max-width: 600px) {
  .contact-header h1 { font-size: 32px; }
  .contact-card-inner { padding: 16px 18px; gap: 14px; }
}

/* ═══════════════════════════════════════════════════════════════
   ADMIN PANEL RESPONSIVE — mobile + iPad (≤1024px)
   ═══════════════════════════════════════════════════════════════ */

.admin-mobile-menu-btn {
  display: none;
  position: fixed; top: 14px; left: 14px;
  width: 44px; height: 44px;
  align-items: center; justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: #fff;
  cursor: pointer;
  z-index: 1001;
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
  transition: all 0.15s;
}
.admin-mobile-menu-btn:active { transform: scale(0.95); }

.admin-sidebar-close {
  display: none;
  position: absolute; top: 10px; right: 10px;
  width: 36px; height: 36px;
  background: transparent !important;
  background-color: transparent !important;
  border: 0 !important;
  outline: none !important;
  color: #fff !important;
  font-size: 26px !important;
  font-weight: 400;
  line-height: 1 !important;
  cursor: pointer;
  z-index: 3;
  -webkit-appearance: none !important;
  appearance: none !important;
  -webkit-tap-highlight-color: transparent;
  padding: 0;
  margin: 0;
  border-radius: 8px;
  align-items: center;
  justify-content: center;
}
.admin-sidebar-close:hover { background: rgba(255,255,255,0.08) !important; }
.admin-sidebar-close:active { background: rgba(255,255,255,0.12) !important; }

.admin-sidebar-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.65);
  z-index: 999;
  opacity: 0; pointer-events: none;
  transition: opacity 0.2s;
  -webkit-tap-highlight-color: transparent;
}
.admin-sidebar-overlay.show {
  display: block;
  opacity: 1; pointer-events: auto;
}

/* iPad landscape & laptop hẹp */
@media (max-width: 1024px) {
  /* CHẶN body bị scroll ngang do bảng/sidebar lớn hơn viewport */
  html, body {
    overflow-x: hidden !important;
    max-width: 100vw;
    background: var(--bg, #0d1117);
  }
  .admin-layout {
    width: 100vw;
    max-width: 100vw;
    overflow-x: hidden;
  }
  .admin-body { background: var(--bg, #0d1117); }

  .admin-mobile-menu-btn { display: flex; }
  .admin-sidebar-close { display: flex !important; }

  .admin-sidebar {
    position: fixed !important;
    top: 0 !important; left: 0 !important; bottom: 0 !important;
    width: 270px !important;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    z-index: 1000;
    box-shadow: 4px 0 28px rgba(0,0,0,0.5);
    overflow-y: auto;
    overflow-x: hidden;
    /* Đệm trên cho close button (tránh đè brand) */
    padding-top: 52px !important;
    background: var(--bg-card, #0f1620) !important;
  }
  .admin-sidebar.open { transform: translateX(0); }

  .admin-main {
    padding: 64px 18px 24px;
    width: 100%;
    box-sizing: border-box;
    min-width: 0;        /* CHO PHÉP main co lại trong flex container */
    flex: 1 1 auto;
  }

  .admin-header {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    margin-bottom: 20px;
  }
  .admin-header h1 { font-size: 22px; }

  /* Bảng wrap CHỈ scroll trong khung của nó, không đẩy body */
  .admin-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    max-width: 100%;
  }
  .admin-table { min-width: 700px; }
}

/* Mobile portrait */
@media (max-width: 640px) {
  .admin-main { padding: 64px 12px 20px; }
  .admin-header h1 { font-size: 18px; }

  .admin-btn-primary, .admin-btn {
    width: 100%;
    justify-content: center;
    padding: 12px 16px;
    font-size: 14px;
  }

  .admin-filter-grid {
    grid-template-columns: 1fr !important;
    gap: 10px;
  }
  .admin-filter-panel summary { padding: 12px 14px; font-size: 13px; }

  .admin-table th, .admin-table td {
    padding: 10px 12px;
    font-size: 12px;
  }
  .admin-table-title { padding: 14px 16px; font-size: 13px; }

  .admin-field input,
  .admin-field select,
  .admin-field textarea {
    width: 100%;
    box-sizing: border-box;
  }

  /* Modal full màn hình mobile — dùng 100dvh để TRỪ thanh địa chỉ Safari iOS.
     Fallback 100vh cho trình duyệt cũ. */
  .admin-modal-overlay {
    align-items: flex-start !important;
    padding: 12px !important;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    max-height: 100vh;
    max-height: 100dvh;
    box-sizing: border-box;
  }
  .admin-modal-overlay.show { display: flex !important; }

  .admin-modal {
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 auto;
    max-height: calc(100vh - 24px);
    max-height: calc(100dvh - 24px);
    display: flex;
    flex-direction: column;
    border-radius: 12px;
  }
  .admin-modal-header {
    flex: 0 0 auto;
    padding: 14px 18px;
  }
  .admin-modal-header h3 { font-size: 15px; }

  /* Body cuộn nếu form dài; header & footer dính cố định */
  .admin-modal-body {
    flex: 1 1 auto;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: 16px 18px;
    /* Safe-area cho iPhone X+ notch */
    padding-bottom: calc(16px + env(safe-area-inset-bottom, 0px));
  }

  /* Footer dính dưới — luôn nhìn thấy nút Submit/Hủy */
  .admin-modal-footer {
    flex: 0 0 auto;
    padding: 12px 18px;
    padding-bottom: calc(12px + env(safe-area-inset-bottom, 0px));
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: flex-end;
  }
  .admin-modal-footer button {
    flex: 1 1 auto;
    min-height: 44px;
    min-width: 0;
    padding: 10px 14px;
    font-size: 14px;
  }

  /* Stats grid (dashboard) */
  .stats-grid, .admin-stats-grid {
    grid-template-columns: 1fr !important;
    gap: 12px;
  }
}

/* iOS Safari — chống auto-zoom khi focus input (font <16px sẽ trigger zoom) */
@media (max-width: 768px) {
  input[type="text"], input[type="email"], input[type="password"],
  input[type="number"], input[type="tel"], input[type="search"],
  input[type="url"], input[type="date"], select, textarea {
    font-size: 16px !important;
  }
}

/* Touch-friendly tap targets — min 44x44px theo Apple HIG */
@media (max-width: 1024px) and (pointer: coarse) {
  .admin-nav a { padding: 14px 20px; font-size: 14px; }
  .admin-btn-primary, .admin-btn { min-height: 44px; }
  .admin-table td a, .admin-table td button { min-height: 36px; padding: 8px 12px; }
}