/* ============================================================
   HowToWritePrompt.in — Main Frontend CSS
   Premium Dark Theme | Modern SaaS Design
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Outfit:wght@400;600;700;800;900&display=swap');

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --primary:       #ea580c; /* Deep Saffron */
  --primary-dark:  #c2410c;
  --primary-light: #f97316;
  --secondary:     #1e3a8a; /* Navy Blue */
  --accent:        #1d4ed8; /* Chakra Blue */
  --success:       #15803d; /* Flag Green */
  --warning:       #eab308;
  --danger:        #dc2626;

  --bg:            #f8fafc; /* Slate-50 background */
  --bg-card:       #ffffff; /* White card */
  --bg-elevated:   #f1f5f9; /* Slate-100 */
  --border:        #e2e8f0; /* Slate-200 */
  --border-hover:  #cbd5e1; /* Slate-300 */

  --text-1:        #0f172a; /* Slate-900 */
  --text-2:        #334155; /* Slate-700 */
  --text-3:        #64748b; /* Slate-500 */

  --radius:        16px;
  --radius-sm:     10px;
  --radius-pill:   999px;

  --glow:          0 4px 20px rgba(234,88,12,0.06);
  --shadow-card:   0 4px 6px -1px rgba(15,23,42,0.05), 0 2px 4px -2px rgba(15,23,42,0.05), 0 10px 15px -3px rgba(15,23,42,0.03);
  --transition:    all 0.3s cubic-bezier(0.4,0,0.2,1);

  --nav-h: 70px;
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text-2);
  font-size: 1rem;
  line-height: 1.7;
  overflow-x: hidden;
  margin: 0;
}

img { max-width: 100%; height: auto; }

a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary); }

h1,h2,h3,h4,h5,h6 { font-family: 'Outfit', sans-serif; color: var(--text-1); line-height: 1.2; }

/* ── Scrollbar ─────────────────────────────────────────────── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary-light); }

/* ── Selection ─────────────────────────────────────────────── */
::selection { background: rgba(234,88,12,0.15); color: var(--text-1); }

/* ── Background Effects ─────────────────────────────────────── */
.bg-grid {
  background-image: linear-gradient(rgba(15,23,42,0.03) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(15,23,42,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.bg-noise::before {
  content: '';
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.02'/%3E%3C/svg%3E");
  pointer-events: none; z-index: 0; opacity: 0.15;
}

/* ── Navigation ─────────────────────────────────────────────── */
.navbar {
  height: var(--nav-h);
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 1000;
  padding: 0 24px;
}

.navbar-brand {
  font-family: 'Outfit', sans-serif;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--secondary);
  display: flex; align-items: center; gap: 10px;
}

.brand-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--success));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 4px 15px rgba(234,88,12,0.25);
}

.nav-link {
  color: var(--text-2) !important;
  font-weight: 500;
  font-size: 0.875rem;
  padding: 8px 14px !important;
  border-radius: var(--radius-sm) !important;
  transition: var(--transition) !important;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary) !important;
  background: rgba(15,23,42,0.05) !important;
}

.nav-cta {
  background: linear-gradient(135deg, var(--primary), var(--success)) !important;
  color: #fff !important;
  font-weight: 600 !important;
  padding: 8px 20px !important;
  border-radius: var(--radius-pill) !important;
  box-shadow: 0 4px 15px rgba(234,88,12,0.25) !important;
}

.nav-cta:hover {
  transform: translateY(-1px) !important;
  box-shadow: 0 6px 25px rgba(234,88,12,0.4) !important;
}

/* ── Buttons ─────────────────────────────────────────────────── */
.btn { font-weight: 600; border-radius: var(--radius-sm); transition: var(--transition); display: inline-flex; align-items: center; gap: 8px; border: none; cursor: pointer; }

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--success));
  color: #fff;
  padding: 12px 28px;
  box-shadow: 0 4px 20px rgba(234,88,12,0.2);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(234,88,12,0.35);
  color: #fff;
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border-hover);
  color: var(--primary-light);
  padding: 12px 28px;
}

.btn-outline:hover {
  background: rgba(99,102,241,0.1);
  color: var(--primary-light);
}

.btn-ghost {
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  color: var(--text-2);
  padding: 10px 20px;
}

.btn-ghost:hover { background: rgba(255,255,255,0.1); color: var(--text-1); }

.btn-sm { padding: 8px 18px; font-size: 0.85rem; }
.btn-lg { padding: 16px 36px; font-size: 1rem; border-radius: var(--radius); }
.btn-pill { border-radius: var(--radius-pill); }

/* ── Hero Section ────────────────────────────────────────────── */
.hero {
  position: relative;
  padding: 100px 0 80px;
  overflow: hidden;
  text-align: center;
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
}

.hero-glow-1 {
  width: 600px; height: 400px;
  background: radial-gradient(circle, rgba(234,88,12,0.15), transparent 70%);
  top: -100px; left: 50%; transform: translateX(-50%);
}

.hero-glow-2 {
  width: 400px; height: 300px;
  background: radial-gradient(circle, rgba(21,136,8,0.12), transparent 70%);
  top: 50px; right: 5%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(234,88,12,0.08);
  border: 1px solid rgba(234,88,12,0.25);
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 24px;
  letter-spacing: 0.5px;
}

.hero-badge::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--success);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 50%, var(--success) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-2);
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

/* ── Hero Search / Prompt Builder ────────────────────────────── */
.hero-builder {
  max-width: 800px;
  margin: 0 auto 60px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 24px;
  box-shadow: var(--shadow-card);
  position: relative;
}

.hero-builder::before {
  content: '';
  position: absolute; inset: -1px;
  border-radius: 21px;
  background: linear-gradient(135deg, rgba(234,88,12,0.2), rgba(21,136,8,0.1), transparent);
  z-index: -1;
}

.builder-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 20px;
  background: rgba(255,255,255,0.04);
  border-radius: var(--radius-sm);
  padding: 4px;
}

.builder-tab {
  flex: 1;
  padding: 10px 16px;
  border-radius: 8px;
  border: none;
  background: transparent;
  color: var(--text-3);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.builder-tab.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 2px 10px rgba(99,102,241,0.4);
}

.builder-textarea {
  width: 100%;
  min-height: 120px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-1);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  padding: 16px;
  resize: vertical;
  transition: var(--transition);
  outline: none;
  line-height: 1.6;
}

.builder-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.15);
  background: rgba(255,255,255,0.06);
}

.builder-textarea::placeholder { color: var(--text-3); }

.builder-actions {
  display: flex;
  gap: 10px;
  margin-top: 14px;
  flex-wrap: wrap;
}

.model-pills {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.model-pill {
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-3);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.model-pill:hover, .model-pill.active {
  background: rgba(99,102,241,0.15);
  border-color: var(--primary);
  color: var(--primary-light);
}

/* ── Sections ────────────────────────────────────────────────── */
section { padding: 80px 0; }
.section-sm { padding: 48px 0; }

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--primary-light);
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.15;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--text-3);
  max-width: 560px;
  line-height: 1.7;
}

/* ── Cards ─────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}

.card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--glow);
  transform: translateY(-3px);
}

/* ── Prompt Card ─────────────────────────────────────────────── */
.prompt-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.prompt-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  opacity: 0;
  transition: var(--transition);
}

.prompt-card:hover {
  border-color: rgba(99,102,241,0.3);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3), var(--glow);
  transform: translateY(-4px);
}

.prompt-card:hover::before { opacity: 1; }

.prompt-category {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--primary-light);
  display: flex;
  align-items: center;
  gap: 6px;
}

.prompt-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-1);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.prompt-text-preview {
  font-size: 0.82rem;
  color: var(--text-3);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.6;
}

.prompt-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.72rem;
  color: var(--text-3);
  margin-top: auto;
}

.prompt-meta .meta-item {
  display: flex;
  align-items: center;
  gap: 4px;
}

.prompt-actions {
  display: flex;
  gap: 8px;
  margin-top: 4px;
}

.prompt-actions .btn-copy {
  flex: 1;
  background: rgba(99,102,241,0.1);
  border: 1px solid rgba(99,102,241,0.2);
  color: var(--primary-light);
  padding: 8px;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  font-weight: 600;
}

.prompt-actions .btn-copy:hover {
  background: rgba(99,102,241,0.2);
  border-color: var(--primary);
}

.prompt-actions .btn-fav {
  background: rgba(239,68,68,0.08);
  border: 1px solid rgba(239,68,68,0.2);
  color: var(--danger);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.prompt-actions .btn-fav:hover { background: rgba(239,68,68,0.15); }

.model-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.model-chatgpt   { background: rgba(16,185,129,0.1); color: #34d399; border: 1px solid rgba(16,185,129,0.2); }
.model-gemini    { background: rgba(245,158,11,0.1);  color: #fbbf24; border: 1px solid rgba(245,158,11,0.2); }
.model-claude    { background: rgba(239,68,68,0.1);   color: #f87171; border: 1px solid rgba(239,68,68,0.2); }
.model-midjourney{ background: rgba(99,102,241,0.1);  color: #818cf8; border: 1px solid rgba(99,102,241,0.2); }
.model-flux      { background: rgba(6,182,212,0.1);   color: #22d3ee; border: 1px solid rgba(6,182,212,0.2); }
.model-default   { background: rgba(100,116,139,0.1); color: #94a3b8; border: 1px solid rgba(100,116,139,0.2); }

/* ── Category Cards ──────────────────────────────────────────── */
.cat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  display: block;
  position: relative;
  overflow: hidden;
}

.cat-card::before {
  content: '';
  position: absolute; inset: 0;
  background: var(--cat-color, var(--primary));
  opacity: 0;
  transition: var(--transition);
}

.cat-card:hover {
  border-color: var(--cat-color, var(--primary));
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}

.cat-card:hover::before { opacity: 0.06; }

.cat-icon {
  width: 56px; height: 56px;
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  margin: 0 auto 14px;
  background: rgba(var(--cat-rgb, 99,102,241), 0.15);
  color: var(--cat-color, var(--primary));
  position: relative;
  z-index: 1;
}

.cat-name {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text-1);
  margin-bottom: 4px;
  position: relative;
  z-index: 1;
}

.cat-count {
  font-size: 0.75rem;
  color: var(--text-3);
  position: relative;
  z-index: 1;
}

/* ── Stats Bar ───────────────────────────────────────────────── */
.prompts-hero {
  background: linear-gradient(180deg, rgba(234,88,12,0.05) 0%, var(--bg) 100%);
  padding: 60px 0 40px;
  border-bottom: 1px solid var(--border);
}

.stats-bar {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 24px 0;
}

.stat-item {
  text-align: center;
  padding: 16px;
}

.stat-num {
  font-family: 'Outfit', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-1);
  background: linear-gradient(135deg, #fff, var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--text-3);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

/* ── Feature Cards ─────────────────────────────────────────── */
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: var(--transition);
}

.feature-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--glow);
}

.feature-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 18px;
  background: linear-gradient(135deg, rgba(99,102,241,0.15), rgba(139,92,246,0.1));
  border: 1px solid rgba(99,102,241,0.2);
  color: var(--primary-light);
}

.feature-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 10px;
}

.feature-desc {
  font-size: 0.85rem;
  color: var(--text-3);
  line-height: 1.7;
}

/* ── Prompt Builder Tool ─────────────────────────────────────── */
.builder-tool {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 24px;
  overflow: hidden;
}

.builder-header {
  padding: 20px 28px;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.builder-body { padding: 28px; }

.output-box {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px;
  min-height: 140px;
  font-size: 0.9rem;
  color: var(--text-1);
  line-height: 1.7;
  position: relative;
}

.output-box.loading::after {
  content: '...';
  animation: dots 1.5s infinite;
}

@keyframes dots {
  0% { content: '.'; } 33% { content: '..'; } 66% { content: '...'; }
}

/* ── Refiner Modes Grid ──────────────────────────────────────── */
.modes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 8px;
}

.mode-btn {
  padding: 10px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  color: var(--text-3);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.mode-btn i { font-size: 1rem; }

.mode-btn:hover, .mode-btn.active {
  background: rgba(234,88,12,0.1);
  border-color: var(--primary);
  color: var(--primary-dark);
}

/* ── Search ──────────────────────────────────────────────────── */
.search-wrap {
  position: relative;
  max-width: 600px;
  margin: 0 auto;
}

.search-input {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  color: var(--text-1);
  font-size: 0.95rem;
  padding: 14px 60px 14px 52px;
  outline: none;
  transition: var(--transition);
}

.search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(99,102,241,0.1);
}

.search-icon {
  position: absolute;
  left: 18px; top: 50%;
  transform: translateY(-50%);
  color: var(--text-3);
  font-size: 1rem;
}

.search-submit {
  position: absolute;
  right: 8px; top: 50%;
  transform: translateY(-50%);
  background: var(--primary);
  border: none;
  border-radius: var(--radius-pill);
  color: #fff;
  padding: 8px 18px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.search-submit:hover { background: var(--primary-dark); }

/* ── Tags ────────────────────────────────────────────────────── */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  font-weight: 600;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  color: var(--text-3);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.tag:hover {
  background: rgba(234,88,12,0.08);
  border-color: var(--primary);
  color: var(--primary);
}

/* ── Star Rating ─────────────────────────────────────────────── */
.stars { color: #fbbf24; font-size: 0.85rem; letter-spacing: -1px; }
.stars .empty { color: #cbd5e1; }

/* ── Footer ──────────────────────────────────────────────────── */
footer {
  background: #0f172a;
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 60px 0 30px;
  color: #94a3b8;
}

.footer-brand {
  font-family: 'Outfit', sans-serif;
  font-size: 1.2rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 12px;
}

.footer-desc { font-size: 0.85rem; color: #94a3b8; line-height: 1.7; max-width: 280px; }

.footer-title { font-size: 0.8rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: #ffffff; margin-bottom: 16px; }

.footer-link { display: block; font-size: 0.85rem; color: #94a3b8; margin-bottom: 10px; transition: var(--transition); }
.footer-link:hover { color: var(--primary-light); padding-left: 4px; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 24px;
  margin-top: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: #64748b;
  flex-wrap: wrap;
  gap: 12px;
}

/* ── Remix Buttons ───────────────────────────────────────────── */
.remix-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.remix-btn {
  padding: 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-1);
  font-size: 0.72rem;
  font-weight: 700;
  cursor: pointer;
  text-align: center;
  transition: var(--transition);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.remix-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(234,88,12,0.08);
}

/* ── Copy Button Feedback ────────────────────────────────────── */
.copied { animation: copyFlash 0.4s ease; }
@keyframes copyFlash {
  0%, 100% { background: rgba(234,88,12,0.08); }
  50% { background: rgba(21,136,8,0.15); color: var(--success); }
}

/* ── Loading Spinner ─────────────────────────────────────────── */
.spinner-wrap {
  display: flex; align-items: center; justify-content: center; gap: 12px;
  padding: 24px; color: var(--text-3); font-size: 0.85rem;
}

.spinner {
  width: 20px; height: 20px;
  border: 2px solid rgba(234,88,12,0.15);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* ── Toast ───────────────────────────────────────────────────── */
.toast-container { z-index: 9999; }
.toast {
  background: #ffffff !important;
  border: 1px solid var(--border) !important;
  color: var(--text-1) !important;
  border-radius: var(--radius-sm) !important;
  box-shadow: var(--shadow-card) !important;
}

/* ── Page Hero ───────────────────────────────────────────────── */
.page-hero {
  padding: 60px 0 40px;
  text-align: center;
  position: relative;
}

.page-hero h1 { font-size: clamp(1.8rem, 3vw, 2.8rem); margin-bottom: 12px; }
.page-hero p { color: var(--text-3); max-width: 560px; margin: 0 auto; }

/* ── Breadcrumb ──────────────────────────────────────────────── */
.breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-3);
  margin-bottom: 8px;
}

.breadcrumb-nav a { color: var(--text-3); }
.breadcrumb-nav a:hover { color: var(--primary); }
.breadcrumb-nav .sep { opacity: 0.4; }

/* ── Sidebar Filter ──────────────────────────────────────────── */
.filter-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  position: sticky;
  top: calc(var(--nav-h) + 16px);
  box-shadow: var(--shadow-card);
}

.filter-title { font-size: 0.82rem; font-weight: 700; color: var(--text-2); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 12px; }

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 768px) {
  section { padding: 48px 0; }
  .hero { padding: 60px 0 40px; }
  .hero-builder { margin: 0 16px 40px; }
  .remix-grid { grid-template-columns: repeat(2, 1fr); }
  .modes-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* ── Animations ──────────────────────────────────────────────── */
@media (prefers-reduced-motion: no-preference) {
  @keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
  }
  .animate-in { animation: fadeInUp 0.5s ease forwards; }
  .animate-delay-1 { animation-delay: 0.1s; }
  .animate-delay-2 { animation-delay: 0.2s; }
  .animate-delay-3 { animation-delay: 0.3s; }
}

/* ── Variable Builder Form ───────────────────────────────────── */
.var-field { margin-bottom: 16px; }
.var-label { font-size: 0.82rem; font-weight: 600; color: var(--text-2); margin-bottom: 6px; display: block; }
.var-input, .var-select {
  width: 100%;
  background: #ffffff;
  border: 1px solid var(--border);
  color: var(--text-1);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  outline: none;
  transition: var(--transition);
}
.var-input:focus, .var-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(234, 88, 12, 0.15);
}

/* Global Mobile Toggler visibility override */
.navbar-toggler {
  background: rgba(15, 23, 42, 0.05) !important;
  border: none !important;
}
.navbar-toggler i {
  color: var(--text-1) !important;
}
.navbar-toggler:focus {
  box-shadow: none !important;
}

/* Mobile responsiveness fixes to prevent overflow */
body, html {
  overflow-x: hidden;
  max-width: 100%;
}
.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
pre, code {
  max-width: 100%;
  word-wrap: break-word;
  white-space: pre-wrap;
}