/* ============================================================
   AI Face Swap Studio — style.css
   Dark glassmorphism · Responsive · Inter + JetBrains Mono
   ============================================================ */

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

:root {
  --bg:          #080b14;
  --bg2:         #0d1120;
  --card:        rgba(18, 22, 40, 0.75);
  --card-border: rgba(255,255,255,0.07);
  --accent:      #4f8ef7;
  --accent2:     #7c3aed;
  --accent3:     #0ea5e9;
  --success:     #22c55e;
  --danger:      #ef4444;
  --warning:     #f59e0b;
  --text:        #e8eaf6;
  --text2:       #94a3b8;
  --text3:       #475569;
  --log-bg:      rgba(5, 7, 15, 0.9);
  --mono:        'JetBrains Mono', monospace;
  --sans:        'Inter', system-ui, sans-serif;
  --radius:      14px;
  --radius-sm:   8px;
  --shadow:      0 8px 32px rgba(0,0,0,0.4);
  --glow:        0 0 40px rgba(79,142,247,0.15);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── Animated orb background ──────────────────────────────── */
.bg-orbs { position: fixed; inset: 0; pointer-events: none; z-index: 0; overflow: hidden; }
.orb {
  position: absolute; border-radius: 50%;
  filter: blur(80px); opacity: 0.25; animation: drift 20s ease-in-out infinite;
}
.orb-1 { width: 600px; height: 600px; background: #3b4fd8; top: -200px; left: -200px; animation-delay: 0s; }
.orb-2 { width: 500px; height: 500px; background: #7c3aed; bottom: -200px; right: -100px; animation-delay: -7s; }
.orb-3 { width: 400px; height: 400px; background: #0ea5e9; top: 50%; left: 50%; transform: translate(-50%,-50%); animation-delay: -14s; }
@keyframes drift {
  0%,100% { transform: translate(0,0) scale(1); }
  33%      { transform: translate(30px,-20px) scale(1.05); }
  66%      { transform: translate(-20px,30px) scale(0.95); }
}

/* ── Container ────────────────────────────────────────────── */
.container { max-width: 1140px; margin: 0 auto; padding: 0 20px; position: relative; z-index: 1; }

/* ── Header ───────────────────────────────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(8,11,20,0.85); backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--card-border);
  padding: 14px 0;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; gap: 10px; }
.logo-icon { font-size: 26px; }
.logo-text { font-size: 18px; font-weight: 700; color: var(--text); }
.logo-accent { color: var(--accent); }

/* Status pill */
.status-pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 12px; border-radius: 20px;
  font-size: 12px; font-weight: 500; border: 1px solid;
  transition: all 0.3s;
}
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.status-checking { color: var(--text3); border-color: var(--text3); }
.status-online    { color: var(--success); border-color: var(--success); }
.status-offline   { color: var(--danger);  border-color: var(--danger);  }

/* ── Hero ─────────────────────────────────────────────────── */
.hero { padding: 56px 0 36px; text-align: center; }
.hero-title {
  font-size: clamp(28px, 5vw, 52px); font-weight: 700;
  line-height: 1.15; margin-bottom: 16px; color: var(--text);
}
.gradient-text {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-sub { font-size: 17px; color: var(--text2); max-width: 580px; margin: 0 auto 24px; line-height: 1.6; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.badge {
  padding: 5px 14px; border-radius: 20px; font-size: 12px; font-weight: 500;
  background: rgba(79,142,247,0.1); border: 1px solid rgba(79,142,247,0.25);
  color: var(--accent); white-space: nowrap;
}

/* ── App grid ─────────────────────────────────────────────── */
.app-grid { display: grid; gap: 20px; padding-bottom: 60px; }

/* ── Upload section ───────────────────────────────────────── */
.upload-section { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ── Upload card ──────────────────────────────────────────── */
.upload-card {
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: var(--radius); backdrop-filter: blur(20px);
  overflow: hidden; transition: box-shadow 0.3s;
}
.upload-card:hover { box-shadow: var(--glow); }
.card-header { display: flex; align-items: center; gap: 12px; padding: 16px 18px 12px; }
.card-icon { font-size: 24px; }
.card-title { font-size: 14px; font-weight: 600; color: var(--text); }
.card-sub   { font-size: 11px; color: var(--text3); margin-top: 2px; }

/* Drop zone */
.drop-zone {
  margin: 0 16px 16px;
  border: 2px dashed rgba(255,255,255,0.12);
  border-radius: var(--radius-sm); height: 190px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; position: relative; overflow: hidden;
  transition: border-color 0.2s, background 0.2s;
}
.drop-zone:hover, .drop-zone:focus { border-color: var(--accent); background: rgba(79,142,247,0.05); outline: none; }
.drop-zone.drag-over { border-color: var(--accent); background: rgba(79,142,247,0.1); border-style: solid; }
.drop-zone.has-file  { border-color: rgba(34,197,94,0.4); border-style: solid; }

.drop-inner { text-align: center; pointer-events: none; }
.drop-icon  { font-size: 36px; margin-bottom: 8px; opacity: 0.5; }
.drop-text  { font-size: 14px; color: var(--text2); font-weight: 500; }
.drop-sub   { font-size: 12px; color: var(--text3); margin-top: 4px; }

.preview-media {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; opacity: 0; transition: opacity 0.3s; border-radius: 6px;
}
.preview-media.visible { opacity: 1; }

.file-info { padding: 0 16px 12px; font-size: 11px; color: var(--text3); min-height: 20px; }

/* ── Glass card ───────────────────────────────────────────── */
.glass-card {
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: var(--radius); backdrop-filter: blur(20px);
  padding: 20px;
}

/* ── Process panel ────────────────────────────────────────── */
.process-panel { display: flex; flex-direction: column; gap: 14px; }

.progress-area, .upload-progress { display: flex; flex-direction: column; gap: 8px; }

.progress-header {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
}
.stage-text  { font-size: 13px; color: var(--text2); flex: 1; min-width: 160px; }
.pct-label   { font-family: var(--mono); font-size: 14px; font-weight: 600; color: var(--accent); width: 40px; text-align: right; }

.progress-stats { display: flex; gap: 6px; flex-wrap: wrap; }
.stat-pill {
  display: flex; align-items: center; gap: 5px;
  padding: 3px 10px; border-radius: 12px;
  background: rgba(255,255,255,0.04); border: 1px solid var(--card-border);
  font-size: 11px;
}
.stat-label { color: var(--text3); font-size: 10px; text-transform: uppercase; letter-spacing: 0.5px; }
.stat-val   { font-family: var(--mono); font-weight: 600; color: var(--text); }

.progress-track {
  height: 10px; border-radius: 10px; background: rgba(255,255,255,0.06);
  overflow: hidden; position: relative;
}
.progress-fill {
  height: 100%; border-radius: 10px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transition: width 0.4s ease; position: relative;
}
.progress-fill::after {
  content: ''; position: absolute; top: 0; right: 0; bottom: 0; width: 40px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3));
  animation: shimmer 1.2s infinite;
}
@keyframes shimmer { 0% { opacity: 0; } 50% { opacity: 1; } 100% { opacity: 0; } }
.upload-fill { background: linear-gradient(90deg, var(--accent3), var(--accent)); }

/* ── Buttons ──────────────────────────────────────────────── */
.btn-row { display: flex; gap: 10px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 22px; border-radius: var(--radius-sm);
  font-family: var(--sans); font-size: 14px; font-weight: 600;
  border: none; cursor: pointer; transition: all 0.2s;
  white-space: nowrap;
}
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-icon { font-size: 16px; }

.btn-primary { background: linear-gradient(135deg, var(--accent), #2563eb); color: #fff; box-shadow: 0 4px 16px rgba(79,142,247,0.3); }
.btn-primary:not(:disabled):hover { transform: translateY(-1px); box-shadow: 0 6px 24px rgba(79,142,247,0.45); }

.btn-danger  { background: transparent; color: var(--danger); border: 1px solid var(--danger); }
.btn-danger:not(:disabled):hover  { background: rgba(239,68,68,0.1); }

.btn-success { background: linear-gradient(135deg, #16a34a, var(--success)); color: #fff; box-shadow: 0 4px 16px rgba(34,197,94,0.3); animation: pulse-green 2s infinite; }
@keyframes pulse-green { 0%,100%{ box-shadow:0 4px 16px rgba(34,197,94,0.3); } 50%{ box-shadow:0 4px 24px rgba(34,197,94,0.55); } }
.btn-success:not(:disabled):hover { transform: translateY(-1px); }

.btn-ghost   { background: transparent; color: var(--text2); border: 1px solid var(--card-border); }
.btn-ghost:not(:disabled):hover   { background: rgba(255,255,255,0.05); }

/* ── Log console ──────────────────────────────────────────── */
.log-card { padding: 0; overflow: hidden; }
.log-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px; border-bottom: 1px solid var(--card-border);
  font-size: 13px; font-weight: 600; color: var(--text2);
}
.btn-clear {
  font-size: 11px; padding: 3px 10px; border-radius: 6px;
  background: transparent; color: var(--text3); border: 1px solid var(--card-border);
  cursor: pointer; font-family: var(--sans);
}
.btn-clear:hover { background: rgba(255,255,255,0.05); color: var(--text2); }

.log-body {
  height: 280px; overflow-y: auto; padding: 10px 0;
  font-family: var(--mono); font-size: 12px; line-height: 1.7;
  background: var(--log-bg);
}
.log-body::-webkit-scrollbar { width: 6px; }
.log-body::-webkit-scrollbar-track { background: transparent; }
.log-body::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 3px; }

.log-line { padding: 1px 16px; }
.log-success { color: #4ade80; }
.log-error   { color: #f87171; }
.log-warn    { color: #fbbf24; }
.log-info    { color: #60a5fa; }
.log-purple  { color: #a78bfa; }
.log-teal    { color: #2dd4bf; }
.log-muted   { color: var(--text2); }
.log-dim     { color: var(--text3); }
.log-default { color: var(--text); }

/* ── Toast ────────────────────────────────────────────────── */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: #1e1e2e; border: 1px solid var(--danger);
  color: var(--text); padding: 12px 20px; border-radius: 10px;
  font-size: 13px; z-index: 999; display: flex; align-items: center; gap: 12px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5); max-width: 90vw;
  animation: slide-up 0.3s ease;
}
@keyframes slide-up { from { transform: translateX(-50%) translateY(20px); opacity:0; } to { transform: translateX(-50%) translateY(0); opacity:1; } }
.toast-close { background: none; border: none; color: var(--text3); cursor: pointer; font-size: 16px; }

/* ── Footer ───────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--card-border);
  padding: 20px 0; position: relative; z-index: 1;
}
.footer-inner { display: flex; gap: 8px; align-items: center; justify-content: center; flex-wrap: wrap; font-size: 12px; color: var(--text3); }
.footer-sep { color: var(--text3); opacity: 0.4; }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 720px) {
  .hero { padding: 36px 0 24px; }
  .upload-section { grid-template-columns: 1fr; }
  .btn-row { gap: 8px; }
  .btn { padding: 9px 16px; font-size: 13px; }
  .progress-stats { gap: 4px; }
  .log-body { height: 220px; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 26px; }
  .hero-badges { gap: 6px; }
  .badge { font-size: 11px; padding: 4px 10px; }
}