@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');


/* ═════════════════════════════════════════════════════════════════════════════
   CODEDNA — COLLEGE PROJECT & CODE INTEGRITY EVALUATOR
   Themes: Pure Matte Black (Dark Mode) & Clean Slate Daylight (Light Mode)
   Strictly Zero Neon Halos, Zero Pulse Animations, Zero Sparkles, No Banned Colors
═════════════════════════════════════════════════════════════════════════════ */

:root {
  /* LIGHT THEME (ARCHITECTURAL MATTE MONOCHROME) */
  --bg-main: #f8fafc;
  --bg-elevated: #ffffff;
  --bg-surface: #f1f5f9;
  --bg-hover: #e2e8f0;
  --bg-panel: #ffffff;

  --accent: #18181b;
  --accent-contrast: #ffffff;
  --accent-hover: #09090b;
  --accent-subtle: rgba(24, 24, 27, 0.05);

  --success: #2d6a4f;
  --success-bg: rgba(45, 106, 79, 0.08);
  --success-border: rgba(45, 106, 79, 0.2);

  --warning: #92400e;
  --warning-bg: rgba(146, 64, 14, 0.08);
  --warning-border: rgba(146, 64, 14, 0.2);

  --danger: #991b1b;
  --danger-bg: rgba(153, 27, 27, 0.08);
  --danger-border: rgba(153, 27, 27, 0.2);

  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --text-dim: #94a3b8;

  --border: #e2e8f0;
  --border-strong: #cbd5e1;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.04);
  --shadow-md: 0 3px 6px -1px rgba(0, 0, 0, 0.06);

  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Consolas', monospace;

  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-pill: 9999px;

  /* Aliases used by watermelon-ui components */
  --radius: 8px;
  --bg-card: #ffffff;
  --bg-code: #f8fafc;
  --bg-elevated-alt: #ffffff;
}

[data-theme='dark'] {
  /* TRUE MATTE OBSIDIAN THEME (ZERO GLOW, ZERO BRIGHT/NEON COLORS) */
  --bg-main: #09090b; /* True deep matte black / obsidian */
  --bg-elevated: #121215; /* Matte graphite card */
  --bg-surface: #18181b; /* Deep zinc surface */
  --bg-hover: #222226;
  --bg-panel: #121215;

  --accent: #f4f4f5; /* Crisp monochrome titanium white */
  --accent-contrast: #09090b; /* Deep matte obsidian text on titanium */
  --accent-hover: #ffffff;
  --accent-subtle: rgba(255, 255, 255, 0.08);

  --success: #86efac; /* Desaturated muted sage (zero neon) */
  --success-bg: rgba(134, 239, 172, 0.08);
  --success-border: rgba(134, 239, 172, 0.2);

  --warning: #fcd34d; /* Desaturated muted sand/amber (zero neon) */
  --warning-bg: rgba(252, 211, 77, 0.08);
  --warning-border: rgba(252, 211, 77, 0.2);

  --danger: #fca5a5; /* Desaturated muted clay/rust (zero neon) */
  --danger-bg: rgba(252, 165, 165, 0.08);
  --danger-border: rgba(252, 165, 165, 0.2);

  --text-primary: #f4f4f5;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --text-dim: #52525b;

  --border: #27272a;
  --border-strong: #3f3f46;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 3px 6px -1px rgba(0, 0, 0, 0.4);

  /* Aliases used by watermelon-ui components */
  --bg-card: #121215;
  --bg-code: #09090b;
  --bg-elevated-alt: #18181b;
}

/* ═════════════════════════════════════════════════════════════════════════════
   GLOBAL RESET & TYPOGRAPHY
═════════════════════════════════════════════════════════════════════════════ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  height: 100%;
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-primary);
  font-size: 13.5px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Tabular digits for all metrics, codes, timestamps, and numbers */
.num,
.tabular-nums,
[data-tabular] {
  font-feature-settings: 'tnum' 1;
  font-variant-numeric: tabular-nums;
}

#root {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Scrollbars */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: var(--radius-pill);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* ═════════════════════════════════════════════════════════════════════════════
   BUTTONS (Consistent Heights: 28px sm, 34px md, 40px lg)
═════════════════════════════════════════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 34px;
  padding: 0 14px;
  font-size: 12.5px;
  font-weight: 600;
  font-family: var(--font-sans);
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 1px solid transparent;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  user-select: none;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-primary {
  background-color: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
}
[data-theme='dark'] .btn-primary {
  color: #09090b;
}
.btn-primary:hover:not(:disabled) {
  background-color: var(--accent-hover);
  border-color: var(--accent-hover);
}

.btn-secondary {
  background-color: var(--bg-surface);
  color: var(--text-primary);
  border-color: var(--border);
}
.btn-secondary:hover:not(:disabled) {
  background-color: var(--bg-hover);
  border-color: var(--border-strong);
}

.btn-ghost {
  background-color: transparent;
  color: var(--text-secondary);
  border-color: transparent;
}
.btn-ghost:hover:not(:disabled) {
  background-color: var(--bg-hover);
  color: var(--text-primary);
}

.btn-danger {
  background-color: var(--danger-bg);
  color: var(--danger);
  border-color: var(--danger-border);
}
.btn-danger:hover:not(:disabled) {
  background-color: rgba(248, 113, 113, 0.16);
  border-color: var(--danger);
  color: var(--danger);
}

.btn-warning {
  background-color: var(--warning-bg);
  color: var(--warning);
  border-color: var(--warning-border);
}
.btn-warning:hover:not(:disabled) {
  background-color: rgba(252, 211, 77, 0.16);
  border-color: var(--warning);
  color: var(--warning);
}

.btn-success {
  background-color: var(--success-bg);
  color: var(--success);
  border-color: var(--success-border);
}
.btn-success:hover:not(:disabled) {
  background-color: rgba(134, 239, 172, 0.16);
  border-color: var(--success);
  color: var(--success);
}

.btn-sm {
  height: 28px;
  padding: 0 10px;
  font-size: 11.5px;
}

.btn-lg {
  height: 40px;
  padding: 0 18px;
  font-size: 13.5px;
}


/* ═════════════════════════════════════════════════════════════════════════════
   FORM CONTROLS & INPUTS (Consistent 32px / 36px)
═════════════════════════════════════════════════════════════════════════════ */
.form-control,
.form-select {
  height: 32px;
  padding: 0 10px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 12px;
  font-family: var(--font-sans);
  outline: none;
  transition: border-color 0.15s ease;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--accent);
}

.form-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 4px;
  letter-spacing: 0.01em;
}

/* ═════════════════════════════════════════════════════════════════════════════
   CARDS & BADGES (Consistent 8pt Rhythm Padding)
═════════════════════════════════════════════════════════════════════════════ */
.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  box-shadow: var(--shadow-sm);
}

.card-compact {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px;
}

.card-elevated {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-md);
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  height: 22px;
  padding: 0 8px;
  border-radius: var(--radius-pill);
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
  font-feature-settings: 'tnum' 1;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  user-select: none;
}

.badge-sm {
  height: 18px;
  padding: 0 6px;
  font-size: 10px;
  gap: 3px;
  letter-spacing: 0.01em;
}

.badge-lg {
  height: 26px;
  padding: 0 10px;
  font-size: 12px;
  gap: 6px;
  letter-spacing: 0.02em;
}

.badge-neutral {
  background: var(--bg-surface);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.badge-primary {
  background: var(--accent-subtle);
  color: var(--accent);
  border: 1px solid var(--border-strong);
}

.badge-success {
  background: var(--success-bg);
  color: var(--success);
  border: 1px solid var(--success-border);
}

.badge-warning {
  background: var(--warning-bg);
  color: var(--warning);
  border: 1px solid var(--warning-border);
}

.badge-danger {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid var(--danger-border);
}

/* ═════════════════════════════════════════════════════════════════════════════
   DATA TABLES (Executive College Ledger)
═════════════════════════════════════════════════════════════════════════════ */
.ledger-table-container {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
}

.ledger-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 12px;
}

.ledger-table th {
  height: 36px;
  padding: 0 14px;
  background: var(--bg-surface);
  color: var(--text-muted);
  font-weight: 700;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.ledger-table td {
  height: 44px;
  padding: 8px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
  white-space: nowrap;
}

.ledger-table tr:last-child td {
  border-bottom: none;
}

.ledger-table tbody tr:hover td {
  background-color: var(--bg-hover);
  color: var(--text-primary);
}

/* ═════════════════════════════════════════════════════════════════════════════
   TERMINAL LINES
═════════════════════════════════════════════════════════════════════════════ */
.terminal-line {
  display: block;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-all;
}

.terminal-line.output {
  color: var(--text-primary);
}

.terminal-line.input {
  color: var(--accent);
  font-weight: 600;
}

.terminal-line.error {
  color: var(--danger);
}

.terminal-line.system {
  color: var(--text-muted);
}

.spinner-icon {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* Grid utilities */
.grid-cols-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.grid-cols-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.grid-cols-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

@media (max-width: 768px) {
  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: 1fr;
  }
}

/* Print styling for college project reports */
@media print {
  body {
    background-color: #ffffff !important;
    color: #000000 !important;
  }
  header,
  nav,
  button,
  .no-print {
    display: none !important;
  }
  .card,
  .card-elevated {
    border: 1px solid #cccccc !important;
    box-shadow: none !important;
    background: #ffffff !important;
  }
}

/* ═════════════════════════════════════════════════════════════════════════════
   VS CODE SYNTAX HIGHLIGHTING (Dark+ & Light+)
   ═════════════════════════════════════════════════════════════════════════════ */
.vscode-container {
  background-color: #1e1e1e;
  color: #d4d4d4;
  font-family: 'JetBrains Mono', Consolas, 'Courier New', monospace;
}

[data-theme='light'] .vscode-container {
  background-color: #ffffff;
  color: #1f2328;
}

/* Tokens for VS Code Dark */
[data-theme='dark'] .token.comment,
[data-theme='dark'] .token.prolog,
[data-theme='dark'] .token.doctype,
[data-theme='dark'] .token.cdata {
  color: #6a9955 !important;
  font-style: italic;
}

[data-theme='dark'] .token.punctuation {
  color: #d4d4d4 !important;
}

[data-theme='dark'] .token.property,
[data-theme='dark'] .token.tag,
[data-theme='dark'] .token.boolean,
[data-theme='dark'] .token.number,
[data-theme='dark'] .token.constant,
[data-theme='dark'] .token.symbol {
  color: #b5cea8 !important;
}

[data-theme='dark'] .token.selector,
[data-theme='dark'] .token.attr-name,
[data-theme='dark'] .token.string,
[data-theme='dark'] .token.char,
[data-theme='dark'] .token.builtin {
  color: #ce9178 !important;
}

[data-theme='dark'] .token.operator,
[data-theme='dark'] .token.entity,
[data-theme='dark'] .token.url {
  color: #d4d4d4 !important;
}

[data-theme='dark'] .token.atrule,
[data-theme='dark'] .token.attr-value,
[data-theme='dark'] .token.keyword {
  color: #569cd6 !important;
}

[data-theme='dark'] .token.function,
[data-theme='dark'] .token.class-name {
  color: #dcdcaa !important;
}

[data-theme='dark'] .token.regex,
[data-theme='dark'] .token.important,
[data-theme='dark'] .token.variable {
  color: #9cdcfe !important;
}

/* Tokens for VS Code Light */
[data-theme='light'] .token.comment,
[data-theme='light'] .token.prolog {
  color: #008000 !important;
  font-style: italic;
}

[data-theme='light'] .token.string {
  color: #a31515 !important;
}

[data-theme='light'] .token.keyword {
  color: #0000ff !important;
}

[data-theme='light'] .token.function {
  color: #795e26 !important;
}

[data-theme='light'] .token.number {
  color: #098658 !important;
}

[data-theme='light'] .token.variable {
  color: #001080 !important;
}

[data-theme='light'] .token.operator,
[data-theme='light'] .token.punctuation {
  color: #383a42 !important;
}

/* ═════════════════════════════════════════════════════════════════════════════
   MODERN DASHBOARD & STATS 1 KPI RIBBON
   ═════════════════════════════════════════════════════════════════════════════ */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  width: 100%;
}

@media (max-width: 1024px) {
  .kpi-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .kpi-grid {
    grid-template-columns: 1fr;
  }
}

.kpi-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.15s ease;
}

.kpi-card:hover {
  border-color: var(--border-strong);
}

.kpi-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.kpi-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.kpi-icon-box {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.kpi-value {
  font-size: 24px;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--text-primary);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.kpi-footer {
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.kpi-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ═════════════════════════════════════════════════════════════════════════════
   OFFICIAL UNIVERSITY EXAMINATION DOSSIER PRINT STYLES
   ═════════════════════════════════════════════════════════════════════════════ */
@media print {
  .no-print,
  nav,
  header.no-print {
    display: none !important;
  }

  body, html {
    background: #ffffff !important;
    color: #000000 !important;
    font-size: 11pt !important;
  }

  * {
    box-shadow: none !important;
    text-shadow: none !important;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }

  .avoid-break {
    page-break-inside: avoid !important;
    break-inside: avoid !important;
  }
}

@keyframes menuFadeIn {
  from {
    opacity: 0;
    transform: translateY(-3px) scale(0.99);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}




/* Responsive hardening for dense examination and administration screens. */
img, video, canvas, svg { max-width: 100%; }
input, select, textarea, button { max-width: 100%; }
input, select, textarea { min-width: 0; }
pre, code { overflow-wrap: anywhere; }
.ledger-table-container { max-width: 100%; -webkit-overflow-scrolling: touch; }
@media (max-width: 768px) {
  html, body { min-width: 320px; }
  #root, main { min-width: 0; width: 100%; }
  .card, .card-elevated { padding: 12px; }
  .ledger-table th, .ledger-table td { padding-left: 9px; padding-right: 9px; }
  .btn { white-space: normal; min-height: 34px; height: auto; padding-top: 7px; padding-bottom: 7px; }
  .kpi-value { font-size: clamp(18px, 5vw, 24px); }
}
@media (max-width: 480px) {
  .card, .card-elevated { border-radius: var(--radius-sm); padding: 10px; }
  .ledger-table { font-size: 11px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}