app/globals.css

@import "tailwindcss";

/* ═══════════════════════════════════════════════
  DenialDefender — "Executive Light" Design System
  ═══════════════════════════════════════════════ */

:root {
  /* Backgrounds */
  --bg-primary: #f7f4ef;
  --bg-surface: #ffffff;
  --bg-surface-hover: #f5f1ea;
  --bg-input: #f2ede6;

  /* Borders */
  --border-default: #e2dbd1;
  --border-focus: #0e7490;

  /* Accents */
  --accent-primary: #0e7490;
  --accent-primary-hover: #0f8aa6;
  --accent-glow: rgba(14, 116, 144, 0.12);
  --accent-success: #0f766e;
  --accent-warning: #b45309;
  --accent-danger: #b91c1c;

  /* Text */
  --text-primary: #0b0f1a;
  --text-secondary: #475569;
  --text-muted: #64748b;

  /* Shadows */
  --shadow-card: 0 1px 2px rgba(15, 23, 42, 0.08), 0 0 0 1px rgba(226, 219, 209, 0.6);
  --shadow-elevated: 0 16px 40px rgba(15, 23, 42, 0.12);
  --shadow-glow: 0 0 20px rgba(14, 116, 144, 0.18);
}

@theme inline {
  --color-background: var(--bg-primary);
  --color-foreground: var(--text-primary);
  --font-sans: var(--font-body);
  --font-mono: var(--font-code);
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
  background: radial-gradient(1200px 600px at 20% -10%, rgba(14, 116, 144, 0.08), transparent 55%),
    radial-gradient(1000px 500px at 90% -20%, rgba(14, 116, 144, 0.06), transparent 55%),
    linear-gradient(180deg, #f8f6f2 0%, #f3efe8 55%, #f7f4ef 100%);
  color: var(--text-primary);
  font-family: var(--font-body), ui-sans-serif, system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── Scrollbar ─────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #d7cec2; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #cbbfb1; }

/* ── Animations ────────────────────────────────── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(14, 116, 144, 0.32); }
  50%      { box-shadow: 0 0 0 8px rgba(14, 116, 144, 0); }
}
@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
@keyframes pulseDot {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.4; }
}
@keyframes progressIndeterminate {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(200%); }
}
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.animate-fade-in-up {
  animation: fadeInUp 0.4s ease-out forwards;
}
.animate-fade-in {
  animation: fadeIn 0.3s ease-out forwards;
}
.animate-slide-down {
  animation: slideDown 0.4s ease-out forwards;
}
.animate-pulse-glow {
  animation: pulseGlow 2s ease-in-out infinite;
}
.animate-pulse-dot {
  animation: pulseDot 1.5s ease-in-out infinite;
}

/* Staggered entrance for children */
.stagger-children > * {
  opacity: 0;
  animation: fadeInUp 0.4s ease-out forwards;
}
.stagger-children > *:nth-child(1) { animation-delay: 0ms; }
.stagger-children > *:nth-child(2) { animation-delay: 50ms; }
.stagger-children > *:nth-child(3) { animation-delay: 100ms; }
.stagger-children > *:nth-child(4) { animation-delay: 150ms; }
.stagger-children > *:nth-child(5) { animation-delay: 200ms; }
.stagger-children > *:nth-child(6) { animation-delay: 250ms; }

/* ── Components ────────────────────────────────── */

/* Surface card */
.surface-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: 16px;
  box-shadow: var(--shadow-card);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.surface-card:hover {
  border-color: #d3c8bc;
}

/* Stat card */
.stat-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: 12px;
  padding: 20px 16px;
  text-align: center;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}
.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
}
.stat-card.stat-danger::before  { background: var(--accent-danger); }
.stat-card.stat-warning::before { background: var(--accent-warning); }
.stat-card.stat-success::before { background: var(--accent-success); }

.stat-number {
  font-family: var(--font-code);
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
}
.stat-label {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 6px;
}

/* Case card */
.case-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: 12px;
  padding: 16px;
  cursor: pointer;
  transition: all 0.2s ease;
}
.case-card:hover {
  border-color: var(--accent-primary);
  background: var(--bg-surface-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-elevated);
}
.case-card.active {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 1px var(--accent-primary), var(--shadow-glow);
}

/* Drop zone */
.drop-zone {
  border: 2px dashed var(--border-default);
  border-radius: 16px;
  transition: all 0.2s ease;
  background: transparent;
}
.drop-zone:hover,
.drop-zone.drag-over {
  border-color: var(--accent-primary);
  background: var(--accent-glow);
}

/* Primary action button */
.btn-primary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  background: var(--accent-primary);
  color: white;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.01em;
  border: none;
  border-radius: 999px;
  cursor: pointer;
  box-shadow: var(--shadow-glow);
  transition: all 0.15s ease;
}
.btn-primary:hover:not(:disabled) {
  background: var(--accent-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 0 28px rgba(14, 116, 144, 0.25);
}
.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  box-shadow: none;
}

.btn-secondary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  background: transparent;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 14px;
  border: 1px solid var(--border-default);
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.15s ease;
}
.btn-secondary:hover {
  border-color: var(--accent-primary);
  color: var(--text-primary);
  background: var(--accent-glow);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 36px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid transparent;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.6);
  font-size: 13px;
  font-weight: 600;
  transition: all 0.15s ease;
}
.btn-ghost:hover {
  border-color: var(--border-default);
  color: var(--text-primary);
  box-shadow: var(--shadow-card);
}

/* Pipeline step */
.pipeline-step {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: 12px;
  padding: 12px 16px;
  border-left: 3px solid var(--border-default);
  transition: all 0.3s ease;
}
.pipeline-step.completed {
  border-left-color: var(--accent-success);
}
.pipeline-step.active {
  border-left-color: var(--accent-warning);
  animation: pulseGlow 2s ease-in-out infinite;
}
.pipeline-step.pending {
  opacity: 0.5;
}

/* VRAM bar */
.vram-bar-outer {
  width: 100%;
  height: 28px;
  background: var(--bg-input);
  border-radius: 8px;
  overflow: hidden;
  position: relative;
}
.vram-bar-inner {
  height: 100%;
  width: 67%;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-success));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 600;
  color: white;
  font-family: var(--font-code);
}

/* Progress bar */
.progress-bar-outer {
  width: 100%;
  height: 6px;
  background: var(--bg-input);
  border-radius: 3px;
  overflow: hidden;
}
.progress-bar-indeterminate {
  width: 40%;
  height: 100%;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-success));
  border-radius: 3px;
  animation: progressIndeterminate 1.5s ease-in-out infinite;
}

/* Markdown viewer */
.appeal-markdown {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-primary);
}
.appeal-markdown h1 { font-size: 20px; font-weight: 700; margin: 16px 0 8px; }
.appeal-markdown h2 { font-size: 17px; font-weight: 600; margin: 14px 0 6px; }
.appeal-markdown h3 { font-size: 15px; font-weight: 600; margin: 12px 0 4px; }
.appeal-markdown p  { margin: 8px 0; }
.appeal-markdown ul, .appeal-markdown ol { margin: 8px 0; padding-left: 24px; }
.appeal-markdown li { margin: 4px 0; }
.appeal-markdown blockquote {
  border-left: 3px solid var(--accent-primary);
  padding-left: 16px;
  margin: 12px 0;
  color: var(--text-secondary);
}
.appeal-markdown strong { font-weight: 600; }
.appeal-markdown code {
  font-family: var(--font-code);
  font-size: 12px;
  background: var(--bg-input);
  padding: 2px 6px;
  border-radius: 4px;
}
.appeal-markdown pre {
  background: var(--bg-input);
  border: 1px solid var(--border-default);
  border-radius: 8px;
  padding: 16px;
  overflow-x: auto;
  font-family: var(--font-code);
  font-size: 12px;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--bg-surface);
  border: 1px solid var(--accent-success);
  color: var(--accent-success);
  padding: 12px 20px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 500;
  box-shadow: var(--shadow-elevated);
  z-index: 100;
  animation: fadeInUp 0.3s ease-out forwards;
}

/* Nav bar */
.nav-bar {
  position: sticky;
  top: 0;
  z-index: 50;
  height: 80px;
  background: #0f4c81;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
}

.nav-bar .subtle-link {
  color: rgba(255, 255, 255, 0.92);
  font-weight: 600;
  font-size: 15px;
}

.nav-bar .subtle-link:hover {
  color: #ffffff;
}

/* Input fields */
.dark-textarea {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-default);
  border-radius: 12px;
  padding: 12px 16px;
  color: var(--text-primary);
  font-size: 14px;
  font-family: var(--font-sans);
  resize: none;
  transition: border-color 0.2s ease;
  outline: none;
}
.dark-textarea:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.dark-textarea::placeholder {
  color: var(--text-muted);
}

/* Section heading */
.section-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 12px;
}

/* Key-value row in architecture card */
.kv-row {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px solid rgba(30, 58, 95, 0.3);
  font-size: 13px;
}
.kv-row:last-child { border-bottom: none; }
.kv-label { color: var(--text-secondary); }
.kv-value { color: var(--text-primary); font-family: var(--font-code); font-weight: 500; font-size: 12px; }

/* Links */
a.subtle-link {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.15s ease;
}
a.subtle-link:hover {
  color: var(--text-primary);
  text-decoration: underline;
}

.font-display {
  font-family: var(--font-display), ui-sans-serif, system-ui, -apple-system, sans-serif;
}

.text-accent {
  color: var(--accent-primary);
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--border-default);
  background: rgba(255, 255, 255, 0.7);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
}

.status-pill {
  text-transform: none;
  letter-spacing: 0.02em;
  font-weight: 600;
}

.section-soft {
  background: rgba(255, 255, 255, 0.7);
  border-top: 1px solid var(--border-default);
}