/* ==========================================================================
   FILEGUARD — COMIC 3D & PIXEL-GRID NEO-BRUTALIST STYLESHEET
   Features: Thick black borders, 3D pop shadows, isometric pixel grids,
             halftone accents, high-contrast neon pop palette.
   ========================================================================== */

:root {
  /* High Contrast Comic Palette */
  --comic-yellow: #FFE600;
  --comic-cyan: #00F0FF;
  --comic-pink: #FF2E93;
  --comic-lime: #00FF66;
  --comic-purple: #9D00FF;
  --comic-orange: #FF7700;
  
  --bg-deep: #0B0E17;
  --bg-surface: #131929;
  --bg-surface-elevated: #1C243B;
  --bg-paper: #FFFDF5;
  
  --text-dark: #000000;
  --text-light: #FFFFFF;
  --text-muted: #8E9BB0;
  --border-black: #000000;
  
  /* Fonts */
  --font-pixel: 'Press Start 2P', monospace;
  --font-display: 'Bungee', 'Space Grotesk', sans-serif;
  --font-heading: 'Space Grotesk', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* 3D Comic Pop Shadows & Borders */
  --border-thick: 3px solid #000000;
  --border-heavy: 4px solid #000000;
  --shadow-3d: 5px 5px 0px #000000;
  --shadow-3d-lg: 8px 8px 0px #000000;
  --shadow-3d-xl: 12px 12px 0px #000000;
  --shadow-3d-cyan: 6px 6px 0px var(--comic-cyan), 6px 6px 0px 3px #000000;
  --shadow-3d-pink: 6px 6px 0px var(--comic-pink), 6px 6px 0px 3px #000000;
  --shadow-3d-yellow: 6px 6px 0px var(--comic-yellow), 6px 6px 0px 3px #000000;
  --radius-comic: 12px;
}

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

/* Isometric Pixel-Grid Canvas */
body {
  font-family: var(--font-heading);
  background-color: var(--bg-deep);
  color: var(--text-light);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;

  /* Isometric / Pixel Grid Background Pattern */
  background-image: 
    linear-gradient(rgba(0, 240, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 240, 255, 0.08) 1px, transparent 1px),
    linear-gradient(45deg, rgba(255, 46, 147, 0.03) 25%, transparent 25%, transparent 75%, rgba(255, 46, 147, 0.03) 75%),
    linear-gradient(-45deg, rgba(255, 230, 0, 0.03) 25%, transparent 25%, transparent 75%, rgba(255, 230, 0, 0.03) 75%);
  background-size: 24px 24px, 24px 24px, 48px 48px, 48px 48px;
  background-position: 0 0, 0 0, 0 0, 24px 24px;
}

/* Container */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Comic Top Navigation Bar */
.navbar {
  border-bottom: var(--border-heavy);
  background: var(--comic-yellow);
  color: var(--text-dark);
  box-shadow: 0 5px 0px #000000;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.8rem;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
  color: var(--text-dark);
  font-family: var(--font-display);
  font-size: 1.45rem;
  letter-spacing: 0.04em;
  transform: rotate(-1deg);
  transition: transform 0.15s ease;
}

.brand-link:hover {
  transform: rotate(1deg) scale(1.03);
}

.brand-logo-box {
  width: 44px;
  height: 44px;
  background: var(--comic-pink);
  border: var(--border-thick);
  box-shadow: 3px 3px 0px #000;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
}

.brand-badge {
  background: var(--comic-cyan);
  color: var(--text-dark);
  border: 2px solid #000000;
  font-family: var(--font-pixel);
  font-size: 0.55rem;
  padding: 0.25rem 0.5rem;
  box-shadow: 2px 2px 0px #000;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  list-style: none;
}

.nav-link {
  color: var(--text-dark);
  text-decoration: none;
  font-size: 1rem;
  font-weight: 800;
  padding: 0.45rem 0.85rem;
  border: 2px solid transparent;
  border-radius: 10px;
  transition: all 0.15s ease;
}

.nav-link:hover {
  background: var(--comic-yellow);
  border: 2px solid #000000;
  border-radius: 10px;
  box-shadow: 3px 3px 0px #000000;
  transform: translate(-1px, -1px);
}

.nav-link.active {
  background: var(--comic-cyan);
  border: 2px solid #000000;
  border-radius: 10px;
  box-shadow: 3px 3px 0px #000000;
}

/* 3D Comic Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.75rem 1.4rem;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 800;
  cursor: pointer;
  text-decoration: none;
  border: var(--border-heavy);
  border-radius: 12px;
  box-shadow: var(--shadow-3d);
  transition: transform 0.08s ease, box-shadow 0.08s ease;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0px #000000;
}

.btn:active {
  transform: translate(3px, 3px);
  box-shadow: 1px 1px 0px #000000;
}

.btn-primary {
  background-color: var(--comic-pink);
  color: #FFFFFF;
}

.btn-primary:hover {
  background-color: #FF0A7B;
}

.btn-secondary {
  background-color: var(--comic-cyan);
  color: var(--text-dark);
}

.btn-secondary:hover {
  background-color: #27F5FF;
}

.btn-accent {
  background-color: var(--comic-yellow);
  color: var(--text-dark);
}

.btn-danger {
  background-color: #FF2A2A;
  color: #FFFFFF;
}

.btn-danger:hover {
  background-color: #E60000;
}

.btn-sm {
  padding: 0.45rem 0.85rem;
  font-size: 0.82rem;
  border-width: 3px;
  border-radius: 10px;
  box-shadow: 3px 3px 0px #000000;
}

.btn-block {
  width: 100%;
}

/* Comic 3D Cards */
.card {
  background-color: var(--bg-surface);
  border: var(--border-heavy);
  border-radius: var(--radius-comic);
  padding: 2rem;
  box-shadow: var(--shadow-3d-lg);
  position: relative;
}

.card-yellow {
  background-color: var(--comic-yellow);
  color: var(--text-dark);
}

.card-cyan {
  background-color: var(--comic-cyan);
  color: var(--text-dark);
}

.card-header {
  margin-bottom: 1.5rem;
  border-bottom: 3px solid #000000;
  padding-bottom: 1rem;
}

.card-title {
  font-size: 1.45rem;
  font-family: var(--font-display);
  letter-spacing: 0.02em;
  color: var(--text-light);
}

.card-subtitle {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-top: 0.35rem;
  font-weight: 500;
}

/* Hero Section */
.hero {
  padding: 4.5rem 0 3.5rem;
  text-align: center;
  position: relative;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.5rem 1.25rem;
  background: var(--comic-yellow);
  color: var(--text-dark);
  border: var(--border-thick);
  border-radius: 9999px;
  font-family: var(--font-pixel);
  font-size: 0.68rem;
  box-shadow: 4px 4px 0px #000000;
  margin-bottom: 1.75rem;
  transform: rotate(-1.5deg);
}

.hero-title {
  font-size: 3.75rem;
  font-family: var(--font-display);
  letter-spacing: 0.02em;
  line-height: 1.1;
  margin-bottom: 1.25rem;
  text-transform: uppercase;
  color: #FFFFFF;
  text-shadow: 4px 4px 0px #000000, 7px 7px 0px var(--comic-pink);
}

.hero-subtitle {
  font-size: 1.25rem;
  font-weight: 600;
  color: #D1D8E6;
  max-width: 720px;
  margin: 0 auto 2.5rem;
  text-shadow: 2px 2px 0px #000000;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 1.25rem;
  margin-bottom: 3.5rem;
}

/* Comic Dropzone */
.dropzone {
  border: 4px dashed #000000;
  border-radius: var(--radius-comic);
  padding: 3rem 2rem;
  text-align: center;
  background: #FFFDF5;
  color: var(--text-dark);
  cursor: pointer;
  box-shadow: var(--shadow-3d-xl);
  transition: all 0.15s ease;
  position: relative;
}

.dropzone:hover, .dropzone.dragover {
  background: #FFFFF0;
  border-color: #000000;
  box-shadow: 14px 14px 0px var(--comic-cyan), 14px 14px 0px 4px #000000;
  transform: translate(-3px, -3px);
}

.dropzone-icon {
  width: 68px;
  height: 68px;
  color: var(--comic-pink);
  margin-bottom: 1rem;
  filter: drop-shadow(3px 3px 0px #000000);
}

.dropzone-title {
  font-size: 1.4rem;
  font-family: var(--font-display);
  letter-spacing: 0.03em;
  margin-bottom: 0.5rem;
}

.dropzone-hint {
  font-size: 0.95rem;
  font-weight: 700;
  color: #4A5568;
  margin-bottom: 1.5rem;
}

/* Comic 3D File Preview Card */
.file-preview-card {
  display: none;
  background: var(--comic-yellow);
  border: var(--border-heavy);
  border-radius: var(--radius-comic);
  padding: 1.25rem 1.5rem;
  margin-top: 1.5rem;
  box-shadow: 6px 6px 0px #000000;
  text-align: left;
}

.file-preview-card.uploading {
  background: var(--comic-cyan);
}

.file-preview-name {
  color: #000000;
  font-size: 1.15rem;
  font-weight: 900;
  font-family: var(--font-display);
  letter-spacing: 0.02em;
  word-break: break-all;
}

.file-preview-size {
  color: #1E293B;
  font-size: 0.85rem;
  font-weight: 800;
  font-family: var(--font-mono);
  margin-top: 0.25rem;
}

/* Feature Cards with Comic 3D Slant */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.75rem;
  margin: 4rem 0;
}

.feature-card {
  background: var(--bg-surface);
  border: var(--border-heavy);
  border-radius: var(--radius-comic);
  padding: 1.75rem;
  box-shadow: var(--shadow-3d);
  transition: transform 0.12s ease, box-shadow 0.12s ease;
  position: relative;
}

.feature-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: var(--shadow-3d-lg);
}

.feature-icon-wrapper {
  width: 52px;
  height: 52px;
  border: 3px solid #000000;
  background: var(--comic-yellow);
  color: var(--text-dark);
  box-shadow: 4px 4px 0px #000000;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  border-radius: var(--radius-comic);
}

.feature-title {
  font-size: 1.25rem;
  font-family: var(--font-display);
  letter-spacing: 0.02em;
  margin-bottom: 0.5rem;
  color: var(--comic-cyan);
}

.feature-desc {
  color: #CBD5E1;
  font-size: 0.95rem;
  font-weight: 500;
}

/* High Contrast Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.75rem;
  border: 2px solid #000000;
  border-radius: 4px;
  font-family: var(--font-pixel);
  font-size: 0.62rem;
  font-weight: 700;
  text-transform: uppercase;
  box-shadow: 2px 2px 0px #000000;
}

.badge-active, .badge-pass, .badge-success {
  background: var(--comic-lime);
  color: #000000;
}

.badge-expired, .badge-missing, .badge-warning {
  background: var(--comic-yellow);
  color: #000000;
}

.badge-tampered, .badge-fail, .badge-danger, .badge-blocked {
  background: var(--comic-pink);
  color: #FFFFFF;
}

.badge-deleted {
  background: #64748B;
  color: #FFFFFF;
}

/* Tables with Thick Borders & Hard Shadow */
.table-container {
  overflow-x: auto;
  border: var(--border-heavy);
  border-radius: var(--radius-comic);
  background: var(--bg-surface);
  box-shadow: var(--shadow-3d);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  text-align: left;
}

.data-table th {
  background: var(--comic-yellow);
  color: var(--text-dark);
  padding: 0.9rem 1.1rem;
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  border-bottom: 3px solid #000000;
  text-transform: uppercase;
}

.data-table td {
  padding: 0.9rem 1.1rem;
  border-bottom: 2px solid #000000;
  color: var(--text-light);
  font-weight: 600;
}

.data-table tr:hover td {
  background: rgba(0, 240, 255, 0.08);
}

/* Hashes & Code Pills */
.hash-pill {
  font-family: var(--font-mono);
  background: #000000;
  color: var(--comic-cyan);
  border: 2px solid var(--comic-cyan);
  padding: 0.35rem 0.65rem;
  border-radius: 4px;
  font-size: 0.8rem;
  word-break: break-all;
  display: inline-block;
  box-shadow: 2px 2px 0px #000000;
}

/* Comic 3D Countdown Display */
.countdown-container {
  display: flex;
  gap: 1.25rem;
  justify-content: center;
  margin: 1.75rem 0;
}

.countdown-box {
  background: var(--comic-cyan);
  border: var(--border-heavy);
  border-radius: var(--radius-comic);
  padding: 0.85rem 1.25rem;
  min-width: 95px;
  text-align: center;
  box-shadow: 5px 5px 0px #000000;
  transform: rotate(-1deg);
}

.countdown-box:nth-child(2) {
  background: var(--comic-yellow);
  transform: rotate(1deg);
}

.countdown-box:nth-child(3) {
  background: var(--comic-pink);
  color: #FFFFFF;
  transform: rotate(-1deg);
}

.countdown-value {
  font-size: 2.25rem;
  font-weight: 900;
  font-family: var(--font-pixel);
  color: #000000;
  line-height: 1;
}

.countdown-box:nth-child(3) .countdown-value {
  color: #FFFFFF;
  text-shadow: 2px 2px 0px #000000;
}

.countdown-label {
  font-size: 0.72rem;
  font-family: var(--font-heading);
  font-weight: 900;
  text-transform: uppercase;
  color: #000000;
  letter-spacing: 0.08em;
  margin-top: 0.5rem;
}

.countdown-box:nth-child(3) .countdown-label {
  color: #FFFFFF;
}

/* Form Controls with 3D Focus */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.95rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.form-control {
  width: 100%;
  padding: 0.85rem 1.1rem;
  background: #FFFDF5;
  border: var(--border-heavy);
  border-radius: var(--radius-comic);
  color: #000000;
  font-size: 1rem;
  font-weight: 700;
  font-family: inherit;
  box-shadow: var(--shadow-3d);
  transition: all 0.12s ease;
}

.form-control:focus {
  outline: none;
  background: #FFFFFF;
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0px var(--comic-cyan), 7px 7px 0px 4px #000000;
}

/* Comic Alerts */
.alert {
  padding: 1.15rem 1.35rem;
  border: var(--border-heavy);
  border-radius: var(--radius-comic);
  margin-bottom: 1.75rem;
  font-size: 1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  box-shadow: var(--shadow-3d);
}

.alert-success {
  background: var(--comic-lime);
  color: #000000;
}

.alert-danger {
  background: var(--comic-pink);
  color: #FFFFFF;
  text-shadow: 1px 1px 0px #000000;
}

.alert-warning {
  background: var(--comic-yellow);
  color: #000000;
}

.alert-info {
  background: var(--comic-cyan);
  color: #000000;
}

/* Pixel Progress Bar */
.progress-container {
  width: 100%;
  height: 18px;
  background: #000000;
  border: 3px solid #000000;
  border-radius: 4px;
  overflow: hidden;
  margin: 1.75rem 0;
  display: none;
  box-shadow: 3px 3px 0px #000000;
}

.progress-bar {
  height: 100%;
  width: 0%;
  background: repeating-linear-gradient(
    90deg,
    var(--comic-lime) 0px,
    var(--comic-lime) 12px,
    var(--comic-cyan) 12px,
    var(--comic-cyan) 24px
  );
  transition: width 0.15s ease;
}

/* KPI Cards with Punchy Comic Colors */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2.25rem;
}

.stat-card {
  background: var(--bg-surface);
  border: var(--border-heavy);
  border-radius: var(--radius-comic);
  padding: 1.4rem;
  box-shadow: var(--shadow-3d);
  transition: transform 0.12s ease;
}

.stat-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-3d-lg);
}

.stat-title {
  color: #94A3B8;
  font-size: 0.82rem;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-value {
  font-size: 2.4rem;
  font-weight: 900;
  font-family: var(--font-pixel);
  margin-top: 0.5rem;
  color: #FFFFFF;
  text-shadow: 3px 3px 0px #000000;
}

/* Footer */
.footer {
  margin-top: auto;
  border-top: var(--border-heavy);
  padding: 2.5rem 0;
  background: #000000;
  color: #94A3B8;
  font-size: 0.92rem;
  font-weight: 600;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

/* Comprehensive Responsive Breakpoints (Phones, Tablets & Desktop) */
@media (max-width: 992px) {
  .hero-title {
    font-size: 2.8rem;
  }
  .container {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.1rem;
    line-height: 1.15;
  }
  .hero-subtitle {
    font-size: 1.05rem;
  }
  .nav-container {
    height: auto;
    padding: 0.85rem 1rem;
    flex-direction: column;
    gap: 0.85rem;
  }
  .nav-links {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.5rem;
  }
  .hero-actions {
    flex-direction: column;
    gap: 0.75rem;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .stats-grid {
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1rem;
  }
  .stat-value {
    font-size: 1.8rem;
  }
  .countdown-container {
    gap: 0.5rem;
    flex-wrap: nowrap;
    justify-content: center;
  }
  .countdown-box {
    min-width: 65px;
    padding: 0.5rem 0.65rem;
  }
  .countdown-value {
    font-size: 1.5rem;
  }
  .dropzone {
    padding: 2rem 1.25rem;
  }
  .dropzone-title {
    font-size: 1.15rem;
  }
  .footer-content {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.7rem;
  }
  .btn {
    padding: 0.65rem 1.1rem;
    font-size: 0.9rem;
  }
  .card {
    padding: 1.25rem;
  }
  .countdown-box {
    min-width: 55px;
    padding: 0.4rem 0.5rem;
  }
  .countdown-value {
    font-size: 1.25rem;
  }
  .countdown-label {
    font-size: 0.55rem;
  }
}