/* =========================================================
   homework.us.com Modern Stealth & Games Portal Theme
   ========================================================= */

:root {
  --bg-darkest: #07090e;
  --bg-darker: #0c1017;
  --bg-card: #131924;
  --bg-card-hover: #1a2332;
  --bg-glass: rgba(19, 25, 36, 0.75);
  
  --border-subtle: #1f293d;
  --border-focus: #3b82f6;
  
  --accent-cyan: #06b6d4;
  --accent-blue: #3b82f6;
  --accent-purple: #8b5cf6;
  --accent-orange: #f97316;
  --accent-emerald: #10b981;
  --accent-red: #ef4444;
  
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  
  --shadow-glow-cyan: 0 0 20px rgba(6, 182, 212, 0.25);
  --shadow-glow-blue: 0 0 20px rgba(59, 130, 246, 0.25);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-darkest);
  color: var(--text-main);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  background-image: 
    radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.08) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(139, 92, 246, 0.06) 0px, transparent 50%);
  background-attachment: fixed;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.site-wrapper {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem 3rem 1rem;
}

/* 1. Stealth Header */
.stealth-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  margin: 0.75rem 0 1rem 0;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  gap: 1rem;
  flex-wrap: wrap;
}

.stealth-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.stealth-logo {
  font-size: 1.6rem;
  line-height: 1;
}

.brand-text {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.portal-name {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  color: #fff;
  background: linear-gradient(135deg, #fff 40%, var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.portal-badge {
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-sm);
  background: rgba(6, 182, 212, 0.15);
  color: var(--accent-cyan);
  border: 1px solid rgba(6, 182, 212, 0.3);
  letter-spacing: 0.05em;
}

.stealth-controls {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.clock-badge {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-emerald);
  background: rgba(16, 185, 129, 0.1);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(16, 185, 129, 0.25);
  font-weight: 600;
}

.stealth-select {
  background: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-subtle);
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  cursor: pointer;
  outline: none;
  transition: all 0.2s ease;
}

.stealth-select:hover,
.stealth-select:focus {
  border-color: var(--accent-cyan);
}

.stealth-btn {
  background: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-subtle);
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.stealth-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--text-dim);
}

.stealth-btn.icon-only {
  padding: 0.4rem 0.6rem;
  font-size: 0.95rem;
}

.panic-btn {
  background: rgba(239, 68, 68, 0.15);
  color: #fca5a5;
  border-color: rgba(239, 68, 68, 0.4);
}

.panic-btn:hover {
  background: rgba(239, 68, 68, 0.3);
  border-color: var(--accent-red);
  color: #fff;
  box-shadow: 0 0 15px rgba(239, 68, 68, 0.4);
}

/* 2. Main Navigation */
.main-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  padding: 0.5rem 0.5rem;
  background: var(--bg-darker);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  gap: 1rem;
  flex-wrap: wrap;
}

.nav-links {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.nav-tab {
  background: transparent;
  color: var(--text-muted);
  border: none;
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius-md);
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-tab:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.05);
}

.nav-tab.active {
  background: var(--accent-blue);
  color: #fff;
  box-shadow: var(--shadow-glow-blue);
}

.tab-count {
  background: rgba(255, 255, 255, 0.2);
  padding: 0.1rem 0.4rem;
  border-radius: 999px;
  font-size: 0.7rem;
}

.nav-search-quick {
  display: flex;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.35rem 0.75rem;
  gap: 0.5rem;
  min-width: 260px;
}

.quick-icon {
  font-size: 0.9rem;
}

.nav-search-quick input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-main);
  font-size: 0.85rem;
  width: 100%;
}

.nav-search-quick input::placeholder {
  color: var(--text-dim);
}

/* 3. Hero Banner */
.games-hero {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2rem;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.7), rgba(15, 23, 42, 0.9));
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
  gap: 2rem;
  flex-wrap: wrap;
}

.hero-left {
  max-width: 650px;
}

.hero-chip {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent-orange);
  background: rgba(249, 115, 22, 0.12);
  border: 1px solid rgba(249, 115, 22, 0.3);
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  margin-bottom: 0.75rem;
}

.hero-left h1 {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 0.6rem;
  background: linear-gradient(180deg, #ffffff 30%, #94a3b8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-left p {
  color: var(--text-muted);
  font-size: 1rem;
}

.hero-stats {
  display: flex;
  gap: 1rem;
}

.stat-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1rem 1.25rem;
  text-align: center;
  min-width: 100px;
}

.stat-num {
  display: block;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--accent-cyan);
  line-height: 1;
  margin-bottom: 0.25rem;
}

.stat-lbl {
  font-size: 0.75rem;
  color: var(--text-dim);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* 4. Category Filters */
.category-filters {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
}

.filter-btn {
  background: var(--bg-darker);
  color: var(--text-muted);
  border: 1px solid var(--border-subtle);
  padding: 0.5rem 1rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
}

.filter-btn:hover {
  background: var(--bg-card);
  color: var(--text-main);
  border-color: var(--text-dim);
}

.filter-btn.active {
  background: rgba(6, 182, 212, 0.15);
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
}

/* 5. Games Grid & Cards */
.games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 1.5rem;
}

.game-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
  cursor: pointer;
}

.game-card:hover {
  transform: translateY(-4px);
  border-color: rgba(59, 130, 246, 0.4);
  box-shadow: 0 12px 25px -5px rgba(0, 0, 0, 0.5), 0 0 15px rgba(59, 130, 246, 0.2);
}

.card-thumb {
  height: 150px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background-size: cover;
  background-position: center;
  border-bottom: 1px solid var(--border-subtle);
}

.card-emoji {
  font-size: 4rem;
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.6));
  transition: transform 0.2s ease;
}

.game-card:hover .card-emoji {
  transform: scale(1.1);
}

.stickwar-thumb { background: linear-gradient(135deg, #831843, #1e1b4b); }
.aow-thumb { background: linear-gradient(135deg, #7c2d12, #1e1b4b); }
.p2048-thumb { background: linear-gradient(135deg, #b45309, #1c1917); }
.snake-thumb { background: linear-gradient(135deg, #065f46, #022c22); }
.breakout-thumb { background: linear-gradient(135deg, #1e3a8a, #4c1d95); }
.flappy-thumb { background: linear-gradient(135deg, #0369a1, #15803d); }
.pong-thumb { background: linear-gradient(135deg, #18181b, #27272a); }
.invaders-thumb { background: linear-gradient(135deg, #3b0764, #0f172a); }

.game-badge {
  position: absolute;
  top: 0.6rem;
  left: 0.6rem;
  font-size: 0.65rem;
  font-weight: 700;
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #fff;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  letter-spacing: 0.05em;
  backdrop-filter: blur(8px);
}

.game-badge.hot {
  background: var(--accent-orange);
  border-color: transparent;
  color: #fff;
}

.play-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.game-card:hover .play-overlay {
  opacity: 1;
}

.play-btn-circle {
  width: 48px;
  height: 48px;
  background: var(--accent-cyan);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #000;
  font-size: 1.2rem;
  padding-left: 3px;
  box-shadow: 0 0 20px rgba(6, 182, 212, 0.6);
  transform: scale(0.9);
  transition: transform 0.2s ease;
}

.game-card:hover .play-btn-circle {
  transform: scale(1);
}

.card-details {
  padding: 1.1rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.4rem;
}

.card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
}

.card-genre {
  font-size: 0.75rem;
  color: var(--accent-cyan);
  font-weight: 600;
}

.card-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-subtle);
  padding-top: 0.85rem;
  gap: 0.5rem;
}

.ctrl-hint {
  font-size: 0.72rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

.launch-btn {
  background: var(--accent-blue);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.45rem 0.9rem;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.launch-btn:hover {
  background: #2563eb;
  box-shadow: 0 0 10px rgba(37, 99, 235, 0.4);
}

/* 6. Game Theater Viewport */
.game-theater {
  background: var(--bg-darker);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin-bottom: 2rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.7), 0 0 30px rgba(6, 182, 212, 0.15);
}

.game-theater.hidden {
  display: none;
}

.theater-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.25rem;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-subtle);
  gap: 1rem;
  flex-wrap: wrap;
}

.theater-title-wrap {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.theater-icon {
  font-size: 1.4rem;
}

.theater-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
}

.theater-tag {
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
  background: rgba(6, 182, 212, 0.15);
  color: var(--accent-cyan);
  border: 1px solid rgba(6, 182, 212, 0.3);
}

.theater-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.theater-btn {
  background: var(--bg-darker);
  color: var(--text-main);
  border: 1px solid var(--border-subtle);
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.theater-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--text-dim);
}

.theater-btn.close {
  background: rgba(239, 68, 68, 0.15);
  color: #fca5a5;
  border-color: rgba(239, 68, 68, 0.3);
}

.theater-btn.close:hover {
  background: var(--accent-red);
  color: #fff;
}

.theater-stage {
  padding: 1.25rem;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 440px;
  background: #000;
}

/* 7. In-Game HUDs */
.game-hud {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-card);
  padding: 0.65rem 1rem;
  border-radius: var(--radius-md);
  margin-bottom: 0.75rem;
  gap: 1rem;
  border: 1px solid var(--border-subtle);
  flex-wrap: wrap;
}

.hud-pill {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-main);
}

.hud-pill.highlight {
  color: var(--accent-cyan);
}

.game-canvas-wrap {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

canvas.portal-canvas {
  background: #0b0f19;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  display: block;
  max-width: 100%;
  height: auto;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.8);
}

.aow-controls-deck {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.75rem;
  flex-wrap: wrap;
  justify-content: center;
}

.aow-act-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.5rem 0.8rem;
  color: var(--text-main);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 95px;
  transition: all 0.15s ease;
}

.aow-act-btn:hover:not(:disabled) {
  border-color: var(--accent-cyan);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

.aow-act-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.aow-btn-icon {
  font-size: 1.3rem;
  margin-bottom: 0.15rem;
}

.aow-btn-title {
  font-size: 0.75rem;
  font-weight: 700;
}

.aow-btn-cost {
  font-size: 0.7rem;
  color: var(--accent-orange);
  font-family: var(--font-mono);
}

/* 2048 Game Styling */
.p2048-board {
  background: #1e293b;
  border-radius: var(--radius-md);
  padding: 12px;
  display: grid;
  grid-template-columns: repeat(4, 80px);
  grid-template-rows: repeat(4, 80px);
  gap: 12px;
}

.p2048-cell {
  background: #334155;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.8rem;
  color: #fff;
  transition: all 0.12s ease;
  user-select: none;
}

.tile-2    { background: #475569; color: #fff; }
.tile-4    { background: #64748b; color: #fff; }
.tile-8    { background: #f97316; color: #fff; }
.tile-16   { background: #ea580c; color: #fff; }
.tile-32   { background: #dc2626; color: #fff; }
.tile-64   { background: #b91c1c; color: #fff; }
.tile-128  { background: #eab308; color: #000; font-size: 1.5rem; }
.tile-256  { background: #facc15; color: #000; font-size: 1.5rem; }
.tile-512  { background: #10b981; color: #fff; font-size: 1.5rem; }
.tile-1024 { background: #06b6d4; color: #000; font-size: 1.3rem; }
.tile-2048 { background: #8b5cf6; color: #fff; font-size: 1.3rem; box-shadow: 0 0 20px #8b5cf6; }

/* Mobile Touch D-Pads */
.mobile-dpad {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 1rem;
  gap: 0.35rem;
}

.dpad-row {
  display: flex;
  gap: 0.35rem;
}

.dpad-key {
  width: 52px;
  height: 46px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  border-radius: var(--radius-sm);
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  user-select: none;
}

.dpad-key:active {
  background: var(--accent-blue);
  color: #fff;
}

/* 8. DuckDuckGo & Tools */
.content-section {
  display: block;
}

.content-section.hidden {
  display: none;
}

.search-container {
  max-width: 800px;
  margin: 2rem auto;
  text-align: center;
}

.ddg-brand-box {
  margin-bottom: 2rem;
}

.ddg-icon-circle {
  font-size: 4rem;
  line-height: 1;
  margin-bottom: 0.5rem;
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.4));
}

.ddg-heading {
  font-size: 2.4rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
}

.ddg-subtitle {
  color: var(--text-muted);
  font-size: 1rem;
  margin-top: 0.4rem;
}

.omnibar-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 0.6rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  margin-bottom: 2.5rem;
  transition: border-color 0.2s ease;
}

.omnibar-wrap:focus-within {
  border-color: var(--accent-cyan);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), var(--shadow-glow-cyan);
}

.omnibar-input-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0.75rem;
}

.omnibar-icon {
  font-size: 1.2rem;
}

.omnibar-input-row input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: #fff;
  font-size: 1.1rem;
}

.omnibar-clear-btn {
  background: transparent;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 1rem;
}

.omnibar-btn-row {
  display: flex;
  gap: 0.5rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border-subtle);
  flex-wrap: wrap;
  justify-content: center;
}

.omni-btn {
  background: var(--bg-darker);
  color: var(--text-main);
  border: 1px solid var(--border-subtle);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.omni-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--text-dim);
}

.omni-btn.primary {
  background: var(--accent-orange);
  color: #fff;
  border-color: transparent;
}

.omni-btn.primary:hover {
  background: #ea580c;
}

.omni-btn.accent {
  background: var(--accent-purple);
  color: #fff;
  border-color: transparent;
}

.omni-btn.accent:hover {
  background: #7c3aed;
}

.quick-apps-header {
  text-align: left;
  margin-bottom: 1rem;
}

.quick-apps-header h3 {
  font-size: 1.2rem;
  color: #fff;
}

.quick-apps-sub {
  font-size: 0.85rem;
  color: var(--text-dim);
}

.quick-apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 1rem;
  text-align: left;
}

.app-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.1rem;
  text-decoration: none;
  color: var(--text-main);
  display: flex;
  flex-direction: column;
  transition: all 0.2s ease;
}

.app-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-cyan);
  background: var(--bg-card-hover);
}

.app-card-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.app-card-name {
  font-weight: 700;
  font-size: 1rem;
  color: #fff;
}

.app-card-sub {
  font-size: 0.78rem;
  color: var(--text-dim);
}

/* 9. Tools & Scratchpad */
.tools-container {
  max-width: 1000px;
  margin: 1.5rem auto;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.tool-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
}

.tool-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.6rem;
}

.tool-card-header h3 {
  font-size: 1.15rem;
  color: #fff;
  flex: 1;
  margin-left: 0.5rem;
}

.tool-icon {
  font-size: 1.5rem;
}

.auto-save-pill {
  font-size: 0.7rem;
  font-family: var(--font-mono);
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.tool-sub {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.scratchpad-area {
  width: 100%;
  height: 250px;
  background: var(--bg-darker);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem;
  color: #fff;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  line-height: 1.6;
  resize: vertical;
  outline: none;
  transition: border-color 0.2s ease;
  margin-bottom: 1rem;
}

.scratchpad-area:focus {
  border-color: var(--accent-blue);
}

.tool-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
}

.tool-btn {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
}

.tool-btn.primary {
  background: var(--accent-blue);
  color: #fff;
}

.tool-btn.primary:hover {
  background: #2563eb;
}

.tool-btn.secondary {
  background: var(--bg-darker);
  color: var(--text-dim);
  border: 1px solid var(--border-subtle);
}

.tool-btn.secondary:hover {
  color: var(--text-main);
  border-color: var(--text-dim);
}

/* Calculator Grid */
.calc-box {
  background: var(--bg-darker);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem;
}

.calc-display {
  width: 100%;
  background: #000;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--accent-emerald);
  font-family: var(--font-mono);
  font-size: 1.6rem;
  padding: 0.6rem 0.8rem;
  text-align: right;
  margin-bottom: 0.75rem;
  outline: none;
}

.calc-keypad {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
}

.calc-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  border-radius: var(--radius-sm);
  padding: 0.75rem 0.5rem;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.calc-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--text-dim);
}

.calc-btn.op {
  background: #1e293b;
  color: var(--accent-cyan);
}

.calc-btn.clear {
  background: rgba(239, 68, 68, 0.2);
  color: #fca5a5;
}

.calc-btn.equals {
  background: var(--accent-blue);
  color: #fff;
  border-color: transparent;
}

/* Footer */
.site-footer {
  margin-top: 3rem;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.footer-brand {
  font-weight: 700;
  color: var(--text-muted);
}

.footer-divider {
  color: var(--border-subtle);
}

kbd {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 0.1rem 0.4rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-cyan);
}