/* Postlain Cyberpunk 3D - Focused & Clean Theme */
@import url('./variables.css');

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  color-scheme: dark;
  background-color: #040406;
}

body {
  font-family: var(--font-body);
  background-color: #040406;
  color: #fff;
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
}

/* Cyber Ambient Background */
.cyber-canvas-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.perspective-grid {
  position: absolute;
  bottom: -35%;
  left: -50%;
  width: 200%;
  height: 120%;
  background-image: 
    linear-gradient(rgba(255, 0, 60, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 0, 60, 0.09) 1px, transparent 1px);
  background-size: 80px 80px;
  transform: perspective(600px) rotateX(65deg);
  transform-origin: center bottom;
  mask-image: linear-gradient(to top, rgba(0,0,0,1) 15%, rgba(0,0,0,0) 80%);
}

.ambient-scanline {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    transparent 50%,
    rgba(0, 0, 0, 0.35) 51%
  );
  background-size: 100% 4px;
  opacity: 0.5;
}

/* App Container */
.cyber-app {
  position: relative;
  z-index: 1;
  max-width: 1440px;
  margin: 0 auto;
  padding: 24px 32px 60px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* SMALL MINIMALIST MODE SWITCHER (NHỎ GỌN TRỰC TIẾP) */
.minimal-switcher-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 10px 0 36px;
}

.minimal-switcher {
  display: inline-flex;
  align-items: center;
  background: rgba(14, 14, 20, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 4px;
  border-radius: 6px;
  backdrop-filter: blur(12px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8);
  gap: 4px;
}

.mini-switch-btn {
  padding: 8px 20px;
  background: transparent;
  border: 1px solid transparent;
  color: #94a3b8;
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  cursor: pointer;
  border-radius: 4px;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
}

.mini-switch-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
}

.mini-switch-btn.active {
  background: #ff003c;
  color: #fff;
  box-shadow: 0 0 20px rgba(255, 0, 60, 0.6);
  border-color: #ff1e4b;
}

/* SECTION VIEWS (CHUYỂN ĐỔI TRỰC TIẾP KHÔNG CẦN TẢI LẠI TRANG) */
.section-view {
  display: none;
  animation: smoothFade 0.3s ease-out;
}

.section-view.active {
  display: block;
}

@keyframes smoothFade {
  from { opacity: 0; transform: scale(0.98) translateY(8px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

/* BIG SQUARE CYBER GRID (CÁC HÌNH VUÔNG THẬT TO) */
.big-square-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 32px;
  perspective: 1200px;
}

/* LARGE SQUARE CARD */
.big-square-card {
  position: relative;
  aspect-ratio: 1 / 1;
  background: rgba(16, 16, 22, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-top: 3px solid #ff003c;
  border-radius: 8px;
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
  transition: all 0.32s cubic-bezier(0.16, 1, 0.3, 1);
  transform-style: preserve-3d;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(14px);
  overflow: hidden;
}

.big-square-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 40%, rgba(255, 0, 60, 0.15) 0%, transparent 70%);
  pointer-events: none;
  opacity: 0.6;
  transition: opacity 0.3s ease;
}

.big-square-card:hover {
  border-color: #ff003c;
  background: rgba(24, 24, 34, 0.95);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.95), 0 0 35px rgba(255, 0, 60, 0.4);
  transform: translateY(-8px) scale(1.03);
}

.big-square-card:hover::before {
  opacity: 1;
}

/* Card Top Bar */
.card-top-hud {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: #94a3b8;
  letter-spacing: 1px;
}

.card-index {
  color: #ff003c;
  font-weight: 700;
}

.card-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
  padding: 3px 9px;
  border-radius: 4px;
  font-size: 0.72rem;
}

.card-status-pill .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #ff003c;
  box-shadow: 0 0 8px #ff003c;
}

/* Card Center (Big Reactor & Title) */
.card-center-reactor {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 18px;
}

.big-reactor-icon {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: linear-gradient(135deg, #1e1e2c, #0e0e16);
  border: 2px solid rgba(255, 0, 60, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 0 25px rgba(255, 0, 60, 0.35);
  position: relative;
  transition: all 0.3s ease;
}

.big-square-card:hover .big-reactor-icon {
  transform: scale(1.12) rotate(6deg);
  border-color: #ff003c;
  color: #ff003c;
  box-shadow: 0 0 40px rgba(255, 0, 60, 0.75);
}

.big-card-title {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* Card Bottom */
.card-bottom-hud {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.85rem;
  font-family: var(--font-mono);
  color: #94a3b8;
}

.hover-open-hint {
  color: #ff003c;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: transform 0.2s ease;
}

.big-square-card:hover .hover-open-hint {
  transform: translateX(4px);
}

/* CENTER 50% EXPANDED PREVIEW SPOTLIGHT MODAL */
.center-preview-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(4, 4, 6, 0.88);
  backdrop-filter: blur(20px);
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

.center-preview-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.center-preview-panel {
  width: min(840px, 86vw);
  max-height: min(600px, 80vh);
  background: #0d0d14;
  border: 1px solid #ff003c;
  border-radius: 12px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.95), 0 0 50px rgba(255, 0, 60, 0.45);
  display: flex;
  flex-direction: column;
  position: relative;
  transform: scale(0.88) translateY(20px);
  transition: all 0.32s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.center-preview-backdrop.active .center-preview-panel {
  transform: scale(1) translateY(0);
}

/* Preview Top Bar */
.preview-top-bar {
  padding: 16px 24px;
  background: #13131c;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.preview-feed-id {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: #ff003c;
  font-weight: 700;
  letter-spacing: 1px;
}

.preview-close-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #fff;
  width: 32px;
  height: 32px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.preview-close-btn:hover {
  background: #ff003c;
  border-color: #ff003c;
}

/* Preview Body */
.preview-body {
  padding: 24px 28px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Preview Mockup Screen */
.preview-mockup-screen {
  width: 100%;
  height: 220px;
  background: #060609;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.8);
}

.preview-scanbeam {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, transparent, #ff003c, transparent);
  box-shadow: 0 0 15px #ff003c;
  animation: scanbeamMove 2.8s linear infinite;
  pointer-events: none;
}

@keyframes scanbeamMove {
  0% { top: 0; }
  100% { top: 100%; }
}

/* 1 Dòng Giới Thiệu (Tagline Box) */
.preview-tagline-box {
  background: rgba(255, 0, 60, 0.08);
  border: 1px solid rgba(255, 0, 60, 0.4);
  border-left: 4px solid #ff003c;
  border-radius: 6px;
  padding: 16px 20px;
}

.tagline-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: #ff003c;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.tagline-text {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.5;
}

/* Preview Action Footer */
.preview-footer {
  padding: 18px 28px;
  background: #101017;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.launch-btn-cyber {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 34px;
  background: #ff003c;
  border: 1px solid #ff1e4b;
  color: #fff;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 1px;
  text-decoration: none;
  border-radius: 6px;
  box-shadow: 0 0 30px rgba(255, 0, 60, 0.6);
  transition: all 0.2s ease;
}

.launch-btn-cyber:hover {
  background: #ff1e4b;
  box-shadow: 0 0 45px rgba(255, 0, 60, 0.9);
  transform: translateY(-2px);
}

/* ABOUT SECTION (HỒ SƠ KẺ ẨN DANH) */
.about-manifesto-container {
  max-width: 900px;
  margin: 20px auto 40px;
  background: rgba(16, 16, 22, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-top: 3px solid #ff003c;
  border-radius: 12px;
  padding: 44px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.9);
}

.about-title {
  font-family: var(--font-display);
  font-size: 1.85rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 6px;
  letter-spacing: 1px;
}

.about-alias {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: #ff003c;
  margin-bottom: 24px;
}

.about-quote-box {
  background: rgba(255, 0, 60, 0.08);
  border-left: 4px solid #ff003c;
  padding: 18px 24px;
  font-size: 1.15rem;
  font-style: italic;
  color: #fff;
  line-height: 1.6;
  border-radius: 4px;
  margin-bottom: 28px;
}

.about-content-text {
  font-size: 1.05rem;
  color: #cbd5e1;
  line-height: 1.85;
  white-space: pre-line;
}

/* Responsive */
@media (max-width: 768px) {
  .cyber-app {
    padding: 16px;
  }
  .big-square-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .center-preview-panel {
    width: 95vw;
    max-height: 88vh;
  }
  .about-manifesto-container {
    padding: 24px;
  }
}