/* ============================================
   Fancy Text Generator — Full Screen
   ============================================ */
:root {
  --bg-deep: #0f0e17;
  --bg-surface: rgba(255,255,255,0.04);
  --glass-border: rgba(255,255,255,0.1);
  --text-main: #fdf6e3;
  --text-muted: #a8a29e;
  --accent: #f59e0b;
  --accent-soft: #fbbf24;
  --accent-glow: rgba(245,158,11,0.3);
  --radius: 20px;
  --radius-sm: 14px;
}

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

html, body {
  height: 100%; width: 100%; overflow: hidden;
  background: var(--bg-deep); color: var(--text-main);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.45;
}

body::before {
  content: ""; position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(at 15% 20%, rgba(245,158,11,0.18) 0%, transparent 55%),
    radial-gradient(at 85% 30%, rgba(251,191,36,0.12) 0%, transparent 50%),
    radial-gradient(at 50% 80%, rgba(245,158,11,0.1) 0%, transparent 55%);
}

#app { position: relative; z-index: 1; height: 100vh; width: 100vw; display: flex; flex-direction: column; overflow: hidden; }

.header { display: flex; align-items: center; justify-content: space-between; padding: 20px 32px 12px; gap: 20px; flex-shrink: 0; }
.logo-wrap { display: flex; align-items: center; gap: 14px; }
.logo-icon { width: 48px; height: 48px; flex-shrink: 0; filter: drop-shadow(0 0 10px var(--accent-glow)); }
.logo-wrap h1 { font-size: 1.35rem; font-weight: 800; letter-spacing: -0.03em; line-height: 1.1; background: linear-gradient(135deg,#fff 40%,var(--accent-soft)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.tagline { font-size: 0.8rem; color: var(--text-muted); margin-top: 2px; }
.header-meta { display: flex; gap: 8px; flex-wrap: wrap; }
.meta-badge { background: var(--bg-surface); border: 1px solid var(--glass-border); color: var(--text-muted); padding: 6px 14px; border-radius: 999px; font-size: 0.75rem; font-weight: 600; letter-spacing: 0.02em; }

.main { flex: 1 1 auto; overflow: hidden; padding: 0 32px 32px; display: grid; grid-template-columns: 400px 1fr; gap: 24px; align-items: stretch; }

.editor-panel { display: flex; flex-direction: column; gap: 16px; overflow-y: auto; overflow-x: hidden; padding-right: 4px; scrollbar-width: thin; scrollbar-color: rgba(255,255,255,0.1) transparent; }
.editor-panel::-webkit-scrollbar { width: 6px; }
.editor-panel::-webkit-scrollbar-track { background: transparent; }
.editor-panel::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 99px; }

.input-card label { display: block; font-weight: 700; font-size: 0.9rem; margin-bottom: 8px; letter-spacing: -0.01em; }
.input-card textarea { width: 100%; resize: none; padding: 14px 16px; border-radius: var(--radius-sm); border: 1px solid var(--glass-border); background: rgba(255,255,255,0.03); color: var(--text-main); font-size: 1rem; font-family: inherit; line-height: 1.6; outline: none; transition: border-color 0.2s, box-shadow 0.2s; }
.input-card textarea:focus { border-color: rgba(245,158,11,0.5); box-shadow: 0 0 0 3px rgba(245,158,11,0.1); }

.style-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

.style-card { background: linear-gradient(135deg,rgba(255,255,255,0.05) 0%,rgba(255,255,255,0.02) 100%); border: 1px solid rgba(255,255,255,0.06); border-radius: var(--radius-sm); padding: 14px 12px; cursor: pointer; text-align: center; user-select: none; transition: transform 0.15s, border-color 0.2s, box-shadow 0.2s; }
.style-card:hover { border-color: rgba(245,158,11,0.4); background: var(--bg-surface); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(245,158,11,0.12); }
.style-card.active { border-color: var(--accent); background: linear-gradient(135deg,rgba(245,158,11,0.1) 0%,rgba(245,158,11,0.04) 100%); box-shadow: 0 0 0 2px rgba(245,158,11,0.15); }
.style-card .style-name { font-weight: 700; font-size: 0.82rem; margin-bottom: 4px; color: var(--text-main); }
.style-card .style-preview { font-size: 0.78rem; color: var(--text-muted); word-break: break-word; line-height: 1.35; min-height: 2.2em; }

.action-row { display: flex; gap: 10px; flex-wrap: wrap; }

.btn-small { background: var(--bg-surface); color: var(--text-main); border: 1px solid var(--glass-border); padding: 10px 18px; border-radius: 12px; font-size: 0.85rem; font-weight: 600; cursor: pointer; transition: background 0.2s, color 0.2s; }
.btn-small:hover { background: var(--accent); color: #fff; border-color: var(--accent); }

.preview-panel { display: flex; flex-direction: column; gap: 20px; }

.preview-stage { flex: 1 1 auto; display: flex; flex-direction: column; min-height: 0; background: linear-gradient(180deg,rgba(255,255,255,0.03) 0%,rgba(255,255,255,0.01) 100%); border: 1px solid var(--glass-border); border-radius: var(--radius); overflow: hidden; }

.preview-label { padding: 16px 24px 10px; font-size: 0.8rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-muted); border-bottom: 1px solid rgba(255,255,255,0.05); }

.preview-box { flex: 1 1 auto; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 40px 30px; min-height: 280px; }

.preview-text { font-size: clamp(2.2rem, 5.5vw, 5.5rem); font-weight: 800; text-align: center; word-break: break-word; line-height: 1.15; color: var(--text-main); letter-spacing: -0.03em; transition: all 0.2s ease; text-shadow: 0 4px 30px rgba(245,158,11,0.15); }

.preview-sub { margin-top: 16px; font-size: 0.9rem; color: var(--text-muted); text-align: center; transition: color 0.3s ease; }

.copy-bar { background: rgba(255,255,255,0.03); border: 1px solid var(--glass-border); border-radius: var(--radius); padding: 20px 22px; }
.copy-bar h3 { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.copy-bar p { font-size: 0.82rem; color: var(--text-muted); margin-bottom: 14px; }

.btn-copy { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: none; border-radius: 14px; padding: 12px 22px; font-size: 0.92rem; font-weight: 700; cursor: pointer; background: linear-gradient(135deg,var(--accent) 0%,var(--accent-soft) 100%); color: #fff; box-shadow: 0 8px 24px var(--accent-glow); transition: transform 0.12s, box-shadow 0.2s; text-decoration: none; }
.btn-copy:hover { transform: translateY(-2px); box-shadow: 0 14px 32px rgba(245,158,11,0.45); }

.tip-card { background: linear-gradient(135deg,rgba(245,158,11,0.06) 0%,rgba(251,191,36,0.04) 100%); border: 1px solid rgba(245,158,11,0.15); border-radius: var(--radius); padding: 18px 20px; }
.tip-card h4 { font-weight: 700; font-size: 0.9rem; margin-bottom: 6px; color: var(--accent-soft); }
.tip-card p { font-size: 0.82rem; color: var(--text-muted); line-height: 1.6; }

.footer { padding: 8px 32px 16px; text-align: center; font-size: 0.78rem; color: var(--text-muted); flex-shrink: 0; }

@media (max-width: 1020px) {
  .main { grid-template-columns: 1fr; }
  .editor-panel { max-height: 45vh; overflow-y: auto; }
  .preview-stage { min-height: 300px; }
}

@media (max-width: 640px) {
  .header { padding: 18px 16px 10px; }
  .main { padding: 0 16px 24px; gap: 20px; }
  .logo-wrap h1 { font-size: 1.15rem; }
  .preview-text { font-size: 2.5rem; }
  .footer { padding: 8px 16px 12px; }
}