/* ============================================================
   AI Trending Poster Concept Generator
   Premium UI Redesign — 2026
   ============================================================ */

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

:root {
  --bg-primary:     #05050a;
  --bg-secondary:   #0d0d15;
  --bg-card:        #0f0f1a;
  --bg-section:     #141420;
  --bg-glass:       rgba(255,255,255,0.03);
  --border:         rgba(255,255,255,0.06);
  --border-glow:    rgba(99,102,241,0.4);
  --accent:         #6366f1;
  --accent-light:   #818cf8;
  --accent-gold:    #f59e0b;
  --accent-teal:    #14b8a6;
  --accent-rose:    #f43f5e;
  --accent-emerald: #10b981;
  --text-primary:   #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted:     #475569;
  --radius-sm:      6px;
  --radius-md:      12px;
  --radius-lg:      18px;
  --radius-xl:      24px;
  --shadow-sm:      0 2px 8px rgba(0,0,0,0.4);
  --shadow-md:      0 8px 32px rgba(0,0,0,0.6);
  --shadow-lg:      0 20px 60px rgba(0,0,0,0.7);
  --shadow-glow:    0 0 40px rgba(99,102,241,0.12);
  --transition:     all 0.2s cubic-bezier(0.4,0,0.2,1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ════════════════════════════════════
   ANIMATED BACKGROUND
════════════════════════════════════ */
.ambient {
  position: fixed; inset: 0;
  pointer-events: none; z-index: 0;
  overflow: hidden;
}
.ambient::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(99,102,241,0.06) 0%, transparent 70%);
  top: -200px; left: -100px;
  animation: float1 20s ease-in-out infinite;
}
.ambient::after {
  content: '';
  position: absolute;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(20,184,166,0.05) 0%, transparent 70%);
  bottom: -150px; right: -100px;
  animation: float2 25s ease-in-out infinite;
}
@keyframes float1 {
  0%,100% { transform: translate(0,0) scale(1); }
  50%      { transform: translate(80px,60px) scale(1.1); }
}
@keyframes float2 {
  0%,100% { transform: translate(0,0) scale(1); }
  50%      { transform: translate(-60px,-80px) scale(1.15); }
}

/* ════════════════════════════════════
   HEADER
════════════════════════════════════ */
.header {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 2.5rem; height: 68px;
  background: rgba(5,5,10,0.8);
  backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid var(--border);
}
.logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.15rem; font-weight: 700;
  color: var(--text-primary); text-decoration: none;
  display: flex; align-items: center; gap: 10px;
  letter-spacing: -0.4px;
}
.logo-icon {
  width: 34px; height: 34px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
  border-radius: 9px; display: flex;
  align-items: center; justify-content: center;
  font-size: 1rem;
  box-shadow: 0 4px 14px rgba(99,102,241,0.4);
}
.logo span { color: var(--accent-light); }

nav { display: flex; gap: 4px; align-items: center; }
nav a {
  padding: 7px 18px; border-radius: var(--radius-md);
  color: var(--text-secondary); text-decoration: none;
  font-size: 0.875rem; font-weight: 500;
  transition: var(--transition); letter-spacing: -0.1px;
}
nav a:hover { color: var(--text-primary); background: var(--bg-glass); }
nav a.active {
  background: rgba(99,102,241,0.12);
  color: var(--accent-light);
  border: 1px solid rgba(99,102,241,0.2);
}

/* ════════════════════════════════════
   MAIN LAYOUT
════════════════════════════════════ */
.main {
  position: relative; z-index: 1;
  max-width: 1060px; margin: 0 auto;
  padding: 2.5rem 1.5rem 5rem;
}

/* ════════════════════════════════════
   HERO SECTION
════════════════════════════════════ */
.hero { text-align: center; padding: 3.5rem 0 2.5rem; }

.hero-tag {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 16px; border-radius: 50px;
  background: linear-gradient(135deg, rgba(99,102,241,0.1), rgba(20,184,166,0.08));
  border: 1px solid rgba(99,102,241,0.2);
  color: var(--accent-light); font-size: 0.75rem;
  font-weight: 600; letter-spacing: 0.8px;
  text-transform: uppercase; margin-bottom: 1.5rem;
}
.hero-tag::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent-teal);
  box-shadow: 0 0 6px var(--accent-teal);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { opacity:1; transform:scale(1); }
  50%      { opacity:0.5; transform:scale(0.8); }
}

.hero h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 800; letter-spacing: -1.5px;
  line-height: 1.15; margin-bottom: 1rem;
  background: linear-gradient(135deg, #f1f5f9 0%, #818cf8 50%, #14b8a6 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p {
  color: var(--text-secondary); font-size: 1.05rem;
  max-width: 520px; margin: 0 auto;
  line-height: 1.7; font-weight: 400;
}

/* ════════════════════════════════════
   INPUT CARD
════════════════════════════════════ */
.input-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 2.2rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}
.input-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(99,102,241,0.4), transparent);
}

.input-label {
  font-size: 0.78rem; font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase; letter-spacing: 1px;
  margin-bottom: 0.7rem; display: flex;
  align-items: center; gap: 6px;
}

.input-wrap { position: relative; }

textarea {
  width: 100%; min-height: 120px;
  background: var(--bg-secondary);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary); font-size: 0.975rem;
  font-family: inherit; padding: 1.1rem 1.3rem;
  resize: vertical; transition: var(--transition);
  line-height: 1.65;
}
textarea::placeholder { color: var(--text-muted); }
textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(13,13,21,0.8);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.1);
}
.input-error {
  color: var(--accent-rose); font-size: 0.8rem;
  margin-top: 0.5rem; min-height: 1.2rem;
  display: flex; align-items: center; gap: 4px;
}

/* ════════════════════════════════════
   DIVIDER LINE
════════════════════════════════════ */
.form-divider {
  height: 1px;
  background: var(--border);
  margin: 1.5rem 0;
}

/* ════════════════════════════════════
   EXAMPLE CHIPS
════════════════════════════════════ */
.examples-label {
  font-size: 0.74rem; color: var(--text-muted);
  font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.8px; margin-bottom: 0.6rem;
}
.examples-row { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 1.4rem; }
.example-chip {
  padding: 5px 13px; border-radius: 50px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  color: var(--text-secondary); font-size: 0.78rem;
  font-weight: 500; cursor: pointer;
  transition: var(--transition);
}
.example-chip:hover {
  background: rgba(99,102,241,0.08);
  border-color: rgba(99,102,241,0.3);
  color: var(--accent-light);
  transform: translateY(-1px);
}

/* ════════════════════════════════════
   PLATFORM SELECTOR
════════════════════════════════════ */
.platform-label {
  font-size: 0.74rem; font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase; letter-spacing: 1px;
  margin-bottom: 0.7rem;
}
.platform-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 1.8rem; }
.platform-btn {
  display: flex; align-items: center; gap: 7px;
  padding: 8px 18px; border-radius: var(--radius-md);
  background: var(--bg-secondary);
  border: 1.5px solid var(--border);
  color: var(--text-secondary); font-size: 0.845rem;
  font-weight: 500; cursor: pointer;
  transition: var(--transition);
}
.platform-btn:hover {
  border-color: rgba(99,102,241,0.35);
  color: var(--text-primary);
  background: rgba(99,102,241,0.05);
}
.platform-btn.active {
  background: rgba(99,102,241,0.1);
  border-color: var(--accent);
  color: var(--accent-light); font-weight: 600;
  box-shadow: 0 0 0 3px rgba(99,102,241,0.08);
}

/* ════════════════════════════════════
   GENERATE BUTTON
════════════════════════════════════ */
.generate-btn {
  width: 100%; padding: 15px 28px;
  background: linear-gradient(135deg, #4f46e5 0%, #6366f1 50%, #818cf8 100%);
  border: none; border-radius: var(--radius-md);
  color: #fff; font-size: 1rem; font-weight: 700;
  font-family: 'Space Grotesk', sans-serif;
  cursor: pointer; display: flex; align-items: center;
  justify-content: center; gap: 10px;
  transition: var(--transition); letter-spacing: -0.2px;
  box-shadow: 0 4px 24px rgba(99,102,241,0.4),
              inset 0 1px 0 rgba(255,255,255,0.15);
  position: relative; overflow: hidden;
}
.generate-btn::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.1), transparent);
  opacity: 0; transition: opacity 0.2s;
}
.generate-btn:hover:not(:disabled)::after { opacity: 1; }
.generate-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(99,102,241,0.5),
              inset 0 1px 0 rgba(255,255,255,0.15);
}
.generate-btn:active:not(:disabled) { transform: translateY(0); }
.generate-btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }

.spinner {
  display: none; width: 18px; height: 18px;
  border: 2.5px solid rgba(255,255,255,0.25);
  border-top-color: #fff; border-radius: 50%;
  animation: spin 0.65s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.loading-hint {
  display: none; text-align: center;
  color: var(--text-muted); font-size: 0.8rem;
  margin-top: 0.9rem; padding: 10px 14px;
  background: rgba(99,102,241,0.05);
  border: 1px solid rgba(99,102,241,0.1);
  border-radius: var(--radius-md);
}
.loading-hint strong { color: var(--accent-light); }

/* ════════════════════════════════════
   ERROR BOX
════════════════════════════════════ */
.error-box {
  display: none; padding: 1rem 1.3rem;
  background: rgba(244,63,94,0.07);
  border: 1px solid rgba(244,63,94,0.2);
  border-radius: var(--radius-md);
  color: #fb7185; font-size: 0.9rem;
  margin-bottom: 1.2rem;
  display: none; align-items: center; gap: 8px;
}

/* ════════════════════════════════════
   RESULTS SECTION
════════════════════════════════════ */
.results-section { display: none; margin-top: 2.5rem; }
.results-header {
  display: flex; align-items: center;
  justify-content: space-between; margin-bottom: 1.8rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}
.results-header h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.25rem; font-weight: 700;
  letter-spacing: -0.5px;
  display: flex; align-items: center; gap: 8px;
}
.result-count-badge {
  padding: 5px 14px; border-radius: 50px;
  background: rgba(20,184,166,0.08);
  border: 1px solid rgba(20,184,166,0.2);
  color: var(--accent-teal); font-size: 0.75rem;
  font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ════════════════════════════════════
   CARDS GRID
════════════════════════════════════ */
.cards-grid { display: flex; flex-direction: column; gap: 2.5rem; }

/* ════════════════════════════════════
   RESULT CARD
════════════════════════════════════ */
.result-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  animation: slideUp 0.55s cubic-bezier(0.16,1,0.3,1) both;
  transition: box-shadow 0.3s, border-color 0.3s, transform 0.3s;
  position: relative;
}
.result-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(99,102,241,0.5), rgba(20,184,166,0.3), transparent);
}
.result-card:hover {
  border-color: rgba(99,102,241,0.2);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  transform: translateY(-2px);
}
@keyframes slideUp {
  from { opacity:0; transform:translateY(32px) scale(0.98); }
  to   { opacity:1; transform:translateY(0) scale(1); }
}

/* ════════════════════════════════════
   CARD HEADER
════════════════════════════════════ */
.card-header {
  display: flex; align-items: flex-start; gap: 1.4rem;
  padding: 2rem 2.2rem 1.6rem;
  background: linear-gradient(135deg,
    rgba(99,102,241,0.06) 0%,
    rgba(20,184,166,0.03) 50%,
    transparent 100%);
  border-bottom: 1px solid var(--border);
  position: relative;
}
.card-num {
  min-width: 44px; height: 44px;
  background: linear-gradient(135deg, #4f46e5, #818cf8);
  border-radius: 12px; display: flex;
  align-items: center; justify-content: center;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem; font-weight: 800; color: #fff;
  box-shadow: 0 6px 16px rgba(99,102,241,0.45);
  flex-shrink: 0;
}
.card-title-block { flex: 1; min-width: 0; }
.card-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.6rem; font-weight: 800;
  letter-spacing: -0.8px; line-height: 1.2;
  color: var(--text-primary); margin-bottom: 0.5rem;
}
.card-tagline {
  font-size: 0.95rem;
  color: var(--accent-gold);
  font-style: italic; font-weight: 400;
  margin-bottom: 0.75rem; opacity: 0.9;
}
.card-platform-tag {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 10px; border-radius: 50px;
  background: rgba(99,102,241,0.1);
  border: 1px solid rgba(99,102,241,0.2);
  color: var(--accent-light); font-size: 0.7rem;
  font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.6px;
}

/* ════════════════════════════════════
   CARD BODY
════════════════════════════════════ */
.card-body { padding: 2rem 2.2rem 2.2rem; }

/* ── 2 Column Grid ── */
.sections-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 1.1rem; margin-bottom: 1.1rem;
}
@media (max-width: 700px) { .sections-grid { grid-template-columns: 1fr; } }

/* ── Section Block ── */
.section-block {
  background: var(--bg-section);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.3rem 1.4rem;
  transition: var(--transition);
  position: relative; overflow: hidden;
}
.section-block::before {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 3px; height: 100%;
  border-radius: 0 2px 2px 0;
  opacity: 0; transition: opacity 0.2s;
}
.section-block:hover { border-color: rgba(99,102,241,0.18); }
.section-block:hover::before { opacity: 1; background: var(--accent); }
.section-block.full-width { grid-column: 1 / -1; margin-top: 0.4rem; }

.section-icon-title {
  display: flex; align-items: center; gap: 9px;
  margin-bottom: 1rem; flex-wrap: wrap;
}
.section-icon {
  width: 32px; height: 32px; border-radius: 9px;
  display: flex; align-items: center;
  justify-content: center; font-size: 0.9rem;
  flex-shrink: 0;
}
.section-name {
  font-size: 0.72rem; font-weight: 800;
  color: var(--text-secondary);
  text-transform: uppercase; letter-spacing: 0.9px;
  flex: 1;
}
.prompt-badge {
  padding: 2px 9px; border-radius: 50px;
  background: rgba(245,158,11,0.08);
  border: 1px solid rgba(245,158,11,0.2);
  color: var(--accent-gold); font-size: 0.67rem;
  font-weight: 700; letter-spacing: 0.3px;
}

.section-content { font-size: 0.875rem; color: var(--text-primary); line-height: 1.75; }

/* ── Bullet Rows ── */
.bullet-row {
  display: flex; gap: 10px; padding: 5px 0;
  border-bottom: 1px solid rgba(255,255,255,0.035);
  align-items: baseline;
}
.bullet-row:last-child { border-bottom: none; padding-bottom: 0; }
.bullet-label {
  color: var(--text-secondary); font-size: 0.76rem;
  font-weight: 700; white-space: nowrap;
  min-width: 85px; letter-spacing: -0.1px;
}
.bullet-value { color: var(--text-primary); font-size: 0.85rem; flex: 1; line-height: 1.6; }
.bullet-dot { color: var(--accent); font-weight: 700; min-width: 14px; font-size: 0.8rem; }

/* ── Divider ── */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  margin: 1.4rem 0;
}

/* ════════════════════════════════════
   PROMPT BOX
════════════════════════════════════ */
.prompt-box {
  background: rgba(0,0,0,0.35);
  border: 1px solid rgba(99,102,241,0.15);
  border-radius: var(--radius-md);
  padding: 1.2rem 5rem 1.2rem 1.3rem;
  font-size: 0.845rem; color: var(--text-secondary);
  line-height: 1.75; position: relative;
  font-family: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  transition: var(--transition);
}
.prompt-box:hover {
  border-color: rgba(99,102,241,0.25);
  background: rgba(0,0,0,0.45);
}
.copy-btn {
  position: absolute; top: 12px; right: 12px;
  padding: 6px 16px; border-radius: var(--radius-sm);
  background: rgba(99,102,241,0.12);
  border: 1px solid rgba(99,102,241,0.25);
  color: var(--accent-light); font-size: 0.76rem;
  font-weight: 700; cursor: pointer;
  transition: var(--transition); letter-spacing: 0.2px;
}
.copy-btn:hover {
  background: rgba(99,102,241,0.22);
  transform: translateY(-1px);
}
.copy-btn.copied {
  background: rgba(16,185,129,0.12);
  border-color: rgba(16,185,129,0.3);
  color: var(--accent-emerald);
}

/* ════════════════════════════════════
   EMPTY STATE
════════════════════════════════════ */
.empty-state {
  text-align: center; padding: 5rem 2rem;
  color: var(--text-muted);
}
.empty-icon {
  font-size: 3.5rem; margin-bottom: 1.2rem;
  opacity: 0.3; display: block;
}
.empty-state p { font-size: 1rem; line-height: 1.6; }

/* ════════════════════════════════════
   HISTORY PAGE
════════════════════════════════════ */
.history-grid { display: flex; flex-direction: column; gap: 10px; margin-top: 1.8rem; }

.history-item {
  display: flex; align-items: center; gap: 1.2rem;
  padding: 1.1rem 1.6rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-decoration: none; color: var(--text-primary);
  transition: var(--transition); position: relative;
  overflow: hidden;
}
.history-item::before {
  content: '';
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--accent), var(--accent-teal));
  opacity: 0; transition: opacity 0.2s;
}
.history-item:hover {
  border-color: rgba(99,102,241,0.25);
  background: rgba(99,102,241,0.04);
  transform: translateX(5px);
}
.history-item:hover::before { opacity: 1; }

.history-meta { display: flex; flex-direction: column; gap: 5px; min-width: 140px; }
.platform-tag {
  display: inline-block; padding: 3px 10px;
  border-radius: 50px; font-size: 0.68rem;
  font-weight: 800; text-transform: uppercase;
  letter-spacing: 0.5px;
  background: rgba(99,102,241,0.1);
  border: 1px solid rgba(99,102,241,0.2);
  color: var(--accent-light);
}
.history-date { font-size: 0.74rem; color: var(--text-muted); }
.history-text { flex: 1; font-size: 0.9rem; color: var(--text-secondary); line-height: 1.5; }
.history-arrow {
  color: var(--text-muted); font-size: 1.1rem;
  transition: var(--transition);
}
.history-item:hover .history-arrow {
  color: var(--accent-light);
  transform: translateX(3px);
}

/* ════════════════════════════════════
   HISTORY DETAIL — BACK LINK
════════════════════════════════════ */
.back-link {
  display: inline-flex; align-items: center; gap: 7px;
  color: var(--text-secondary); text-decoration: none;
  font-size: 0.875rem; font-weight: 600;
  padding: 8px 16px; border-radius: var(--radius-md);
  background: var(--bg-card); border: 1px solid var(--border);
  margin-bottom: 1.8rem; transition: var(--transition);
}
.back-link:hover {
  color: var(--text-primary);
  border-color: rgba(99,102,241,0.3);
  background: rgba(99,102,241,0.06);
  transform: translateX(-3px);
}

/* ════════════════════════════════════
   SCROLLBAR
════════════════════════════════════ */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: rgba(99,102,241,0.2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(99,102,241,0.35); }

/* ════════════════════════════════════
   RESPONSIVE
════════════════════════════════════ */
@media (max-width: 768px) {
  .header { padding: 0 1.2rem; }
  .main { padding: 1.5rem 1rem 3rem; }
  .hero { padding: 2.5rem 0 1.8rem; }
  .input-card { padding: 1.6rem; }
  .card-header { padding: 1.5rem 1.5rem 1.2rem; gap: 1rem; }
  .card-body { padding: 1.5rem; }
  .card-title { font-size: 1.3rem; }
  .card-num { min-width: 38px; height: 38px; font-size: 1rem; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.8rem; }
  .platform-row { gap: 6px; }
  .platform-btn { padding: 6px 12px; font-size: 0.8rem; }
}

/* ════════════════════════════════════
   CONCEPT SUMMARY
════════════════════════════════════ */
.concept-summary {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 1.2rem 1.8rem;
  background: linear-gradient(135deg, rgba(99,102,241,0.08), rgba(20,184,166,0.05));
  border-bottom: 1px solid var(--border);
}
.summary-icon { font-size: 1.2rem; flex-shrink: 0; margin-top: 2px; }
.concept-summary p {
  color: var(--text-secondary); font-size: 0.9rem;
  line-height: 1.7; font-style: italic;
}

/* ════════════════════════════════════
   AI PROMPT SECTION — MAIN FEATURE
════════════════════════════════════ */
.prompt-section {
  margin-top: 1rem;
  background: linear-gradient(135deg, rgba(99,102,241,0.06), rgba(20,184,166,0.04));
  border: 2px solid rgba(99,102,241,0.3);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.prompt-header {
  padding: 1.2rem 1.5rem 0.8rem;
  border-bottom: 1px solid rgba(99,102,241,0.15);
}

.prompt-title-row {
  display: flex; align-items: center; gap: 10px;
  flex-wrap: wrap; margin-bottom: 0.5rem;
}
.prompt-icon { font-size: 1.2rem; }
.prompt-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.9rem; font-weight: 800;
  color: var(--accent-light);
  text-transform: uppercase; letter-spacing: 0.5px;
}
.prompt-tools-badge {
  padding: 2px 10px; border-radius: 50px;
  background: rgba(245,158,11,0.1);
  border: 1px solid rgba(245,158,11,0.25);
  color: var(--accent-gold); font-size: 0.68rem;
  font-weight: 700;
}
.prompt-instructions {
  font-size: 0.8rem; color: var(--text-secondary);
  font-weight: 500;
}

.prompt-box-main {
  padding: 1.2rem 1.5rem;
  position: relative;
}
.prompt-text {
  font-family: 'JetBrains Mono', 'Courier New', monospace;
  font-size: 0.845rem; color: var(--text-primary);
  line-height: 1.8; padding-right: 140px;
  white-space: pre-wrap; word-break: break-word;
}
.copy-btn-main {
  position: absolute; top: 1.2rem; right: 1.2rem;
  padding: 10px 20px; border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  border: none; color: #fff;
  font-size: 0.85rem; font-weight: 700;
  cursor: pointer; transition: var(--transition);
  box-shadow: 0 4px 14px rgba(99,102,241,0.4);
  white-space: nowrap;
}
.copy-btn-main:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99,102,241,0.5);
}
.copy-btn-main.copied {
  background: linear-gradient(135deg, var(--accent-green), #34d399);
  box-shadow: 0 4px 14px rgba(16,185,129,0.4);
}

.prompt-next-step {
  padding: 0.9rem 1.5rem;
  background: rgba(0,0,0,0.2);
  border-top: 1px solid rgba(99,102,241,0.1);
  font-size: 0.82rem; color: var(--text-secondary);
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
}
.step-badge {
  padding: 2px 10px; border-radius: 50px;
  background: rgba(20,184,166,0.1);
  border: 1px solid rgba(20,184,166,0.25);
  color: var(--accent-teal); font-size: 0.72rem;
  font-weight: 700;
}
.analyser-link {
  color: var(--accent-light); font-weight: 600;
  text-decoration: underline;
}
.analyser-link:hover { color: var(--accent-teal); }

/* ════════════════════════════════════
   MAIN LAYOUT — SIDE BY SIDE
════════════════════════════════════ */
.main-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 1.5rem;
  align-items: start;
  margin-bottom: 1.5rem;
}
@media (max-width: 900px) {
  .main-layout { grid-template-columns: 1fr; }
}
.form-side  { min-width: 0; }
.frame-side { position: sticky; top: 80px; }

/* ════════════════════════════════════
   POSTER FRAME CARD
════════════════════════════════════ */
.poster-frame-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
  position: relative; overflow: hidden;
}
.poster-frame-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(99,102,241,0.4), transparent);
}
.frame-label {
  font-size: 0.75rem; font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase; letter-spacing: 0.8px;
  margin-bottom: 1rem;
}

/* ── Poster Frame ── */
.poster-frame {
  width: 100%;
  position: relative;
  background: var(--bg-secondary);
  border: 2px solid rgba(99,102,241,0.25);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all 0.3s ease;
  /* Default: Instagram 1:1 */
  aspect-ratio: 1 / 1;
}

/* Platform specific aspect ratios */
.poster-frame.instagram  { aspect-ratio: 1 / 1; }
.poster-frame.linkedin   { aspect-ratio: 1.91 / 1; }
.poster-frame.facebook   { aspect-ratio: 1.91 / 1; }
.poster-frame.youtube    { aspect-ratio: 16 / 9; }
.poster-frame.twitter    { aspect-ratio: 16 / 9; }
.poster-frame.print      { aspect-ratio: 1 / 1.414; } /* A4 */

.frame-inner {
  width: 100%; height: 100%;
  display: flex; align-items: center;
  justify-content: center; padding: 1rem;
}

/* ── Placeholder ── */
.frame-placeholder {
  text-align: center; padding: 1rem;
  opacity: 0.4;
}
.frame-placeholder-icon { font-size: 2.5rem; margin-bottom: 0.6rem; }
.frame-placeholder-text {
  font-size: 0.82rem; font-weight: 600;
  color: var(--text-secondary); margin-bottom: 0.3rem;
}
.frame-placeholder-sub {
  font-size: 0.72rem; color: var(--text-muted);
}

/* ── Poster Preview Content ── */
.poster-preview-content {
  width: 100%; height: 100%;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center; padding: 1rem; gap: 8px;
  transition: all 0.4s ease;
}
.poster-preview-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(0.8rem, 3vw, 1.2rem);
  font-weight: 900; letter-spacing: -0.5px;
  color: #fff; line-height: 1.2;
  text-shadow: 0 2px 8px rgba(0,0,0,0.5);
}
.poster-preview-tagline {
  font-size: clamp(0.6rem, 2vw, 0.8rem);
  color: rgba(255,255,255,0.75);
  font-style: italic;
}
.poster-preview-colors {
  display: flex; gap: 4px;
  justify-content: center;
  flex-wrap: wrap;
}
.color-swatch {
  width: 20px; height: 20px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.3);
  box-shadow: 0 2px 6px rgba(0,0,0,0.4);
}
.poster-preview-cta {
  font-size: clamp(0.55rem, 1.8vw, 0.72rem);
  font-weight: 700; text-transform: uppercase;
  letter-spacing: 1px; color: #fff;
  padding: 4px 12px;
  border: 1.5px solid rgba(255,255,255,0.5);
  border-radius: 50px;
}

/* ── Frame Size Label ── */
.frame-size-label {
  position: absolute; bottom: 0; left: 0; right: 0;
  text-align: center; padding: 4px;
  background: rgba(0,0,0,0.6);
  font-size: 0.65rem; color: rgba(255,255,255,0.6);
  font-weight: 600; letter-spacing: 0.5px;
}

/* ── Frame Hint ── */
.frame-hint {
  margin-top: 0.8rem;
  font-size: 0.72rem; color: var(--text-muted);
  text-align: center;
}