/* ============================================================
   GHN Pick & Pack Checker — style.css
   ============================================================ */

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

:root {
  /* DARK MODE (Original) */
  --bg-primary:    #0a0a0f;
  --bg-secondary:  #12121a;
  --bg-card:       #1a1a26;
  --accent:        #f36f21;
  --accent-dark:   #c45a18;
  --accent-light:  #ff8c42;
  --success:       #22c55e;
  --success-bg:    rgba(34,197,94,.15);
  --warning:       #f59e0b;
  --warning-bg:    rgba(245,158,11,.15);
  --danger:        #ef4444;
  --danger-bg:     rgba(239,68,68,.15);
  --text-primary:  #f0f0f0;
  --text-secondary:#a0a0b8;
  --text-muted:    #5a5a7a;
  --border:        rgba(255,255,255,.08);
  --border-accent: rgba(243,111,33,.4);
  --radius:        16px;
  --radius-sm:     10px;

  /* Theme-specific abstractions */
  --hero-bg: linear-gradient(135deg,#1a0a00 0%,#0f0a1a 50%,#0a0f1a 100%);
  --hero-glow: radial-gradient(ellipse at 50% 50%, rgba(243,111,33,.13) 0%, transparent 60%);
  --badge-bg: rgba(243,111,33,.15);
  --badge-border: var(--border-accent);
  --badge-text: var(--accent-light);
  --btn-primary-bg: linear-gradient(135deg,var(--accent) 0%,var(--accent-dark) 100%);
  --btn-primary-shadow: 0 4px 20px rgba(243,111,33,.35);
  --btn-primary-shadow-hover: 0 6px 28px rgba(243,111,33,.5);
}

body.light-mode {
  /* LIGHT MODE (Changed) */
  --bg-primary:    #ffffff;
  --bg-secondary:  #f3f4f6;
  --bg-card:       #ffffff;
  --accent:        #000000;
  --accent-dark:   #1a1a1a;
  --accent-light:  #4b5563;
  --success:       #16a34a;
  --success-bg:    rgba(22,163,74,.12);
  --warning:       #d97706;
  --warning-bg:    rgba(217,119,6,.12);
  --danger:        #dc2626;
  --danger-bg:     rgba(220,38,38,.12);
  --text-primary:  #111827;
  --text-secondary:#4b5563;
  --text-muted:    #9ca3af;
  --border:        rgba(0,0,0,.1);
  --border-accent: rgba(0,0,0,.2);

  /* Theme-specific abstractions overrides */
  --hero-bg: #ffffff;
  --hero-glow: radial-gradient(ellipse at 50% 50%, rgba(0,0,0,.03) 0%, transparent 60%);
  --badge-bg: rgba(0,0,0,.05);
  --badge-border: var(--border);
  --badge-text: var(--text-primary);
  --btn-primary-bg: var(--accent);
  --btn-primary-shadow: 0 4px 12px rgba(0,0,0,.15);
  --btn-primary-shadow-hover: 0 6px 16px rgba(0,0,0,.2);
}

html, body { height: 100%; width: 100%; overflow: hidden; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ── Screens ─────────────────────────────────────────── */
.screen {
  position: fixed; inset: 0;
  display: flex; flex-direction: column;
  overflow-y: auto; overflow-x: hidden;
  opacity: 0; pointer-events: none;
  transition: opacity .25s ease;
}
.screen.active { opacity: 1; pointer-events: all; }

/* ── Setup Hero ──────────────────────────────────────── */
.setup-hero {
  background: var(--hero-bg);
  padding: 52px 24px 36px;
  text-align: center;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}
.setup-hero::before {
  content:'';
  position:absolute; top:-50%; left:-50%; width:200%; height:200%;
  background: var(--hero-glow);
  pointer-events:none;
}

.theme-toggle {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--badge-bg);
  border: 1px solid var(--badge-border);
  color: var(--badge-text);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 20px;
  z-index: 20;
  transition: transform 0.2s;
  -webkit-tap-highlight-color: transparent;
}
.theme-toggle:active { transform: scale(0.9); }

.logo-badge {
  display:inline-flex; align-items:center; gap:8px;
  background: var(--badge-bg);
  border: 1px solid var(--badge-border);
  border-radius: 100px; padding: 8px 18px;
  font-size:13px; font-weight:600; color:var(--badge-text);
  margin-bottom:20px; letter-spacing:.5px;
}
.logo-badge .dot {
  width:8px; height:8px; background:var(--accent); border-radius:50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%,100%{opacity:1;transform:scale(1)}
  50%{opacity:.5;transform:scale(.8)}
}

.setup-title {
  font-size: clamp(28px,7vw,42px);
  font-weight:900; line-height:1.1; margin-bottom:10px;
  color: var(--accent);
}
.setup-subtitle { color:var(--text-secondary); font-size:15px; }

/* ── Setup Body ──────────────────────────────────────── */
.setup-body { padding:24px; flex:1; }

.saved-notice {
  display:flex; align-items:center; gap:12px;
  background: var(--badge-bg);
  border: 1px solid var(--badge-border);
  border-radius: var(--radius-sm);
  padding:14px 16px; margin-bottom:16px;
}
.saved-notice-icon { font-size:24px; }
.saved-notice-title { font-size:14px; font-weight:700; color:var(--badge-text); }
.saved-notice-sub { font-size:12px; color:var(--text-muted); }
.btn-icon {
  background:none; border:none; color:var(--text-muted);
  font-size:18px; cursor:pointer; padding:4px; margin-left:auto;
  -webkit-tap-highlight-color:transparent;
}

.input-card {
  background:var(--bg-card); border:1.5px solid var(--border);
  border-radius:var(--radius); padding:20px; margin-bottom:16px;
  box-shadow: 0 4px 12px rgba(0,0,0,.03);
}
.input-label {
  display:flex; align-items:center; justify-content:space-between;
  font-size:13px; font-weight:600; color:var(--text-secondary);
  text-transform:uppercase; letter-spacing:.8px; margin-bottom:12px;
}
.code-count-badge {
  background:var(--accent); color:white;
  font-size:11px; font-weight:700; padding:3px 10px;
  border-radius:100px; display:none;
}
.code-count-badge.visible { display:inline-block; }

textarea {
  width:100%; background:var(--bg-secondary);
  border:1.5px solid var(--border); border-radius:var(--radius-sm);
  color:var(--text-primary); font-family:'Inter',monospace;
  font-size:14px; line-height:1.6; padding:14px 16px;
  resize:vertical; min-height:160px; max-height:40vh;
  outline:none; transition:border-color .2s;
}
textarea::placeholder { color:var(--text-muted); }
textarea:focus { border-color:var(--accent); }

.hint-text {
  font-size:12px; color:var(--text-muted);
  margin-top:10px; display:flex; align-items:flex-start; gap:6px;
}

.preview-list {
  background:var(--bg-secondary); border-radius:var(--radius-sm);
  padding:12px 16px; margin-top:12px;
  max-height:110px; overflow-y:auto; display:none;
}
.preview-list.visible { display:block; }
.preview-item {
  font-size:13px; color:var(--text-secondary);
  font-family:monospace; padding:3px 0;
  border-bottom:1px solid var(--border);
}
.preview-item:last-child { border-bottom:none; }

/* ── Buttons ─────────────────────────────────────────── */
.btn {
  display:flex; align-items:center; justify-content:center; gap:10px;
  width:100%; padding:18px 24px; border-radius:var(--radius);
  border:none; font-family:'Inter',sans-serif;
  font-size:16px; font-weight:700; cursor:pointer;
  transition:all .2s ease; -webkit-tap-highlight-color:transparent;
  letter-spacing:.3px; text-align:center;
}
.btn:active { transform:scale(.97); }

.btn-primary {
  background: var(--btn-primary-bg);
  color:white; box-shadow: var(--btn-primary-shadow);
}
.btn-primary:hover { 
  background: var(--btn-primary-bg);
  opacity: 0.9;
  box-shadow: var(--btn-primary-shadow-hover); 
}
.btn-primary:disabled { opacity:.4; cursor:not-allowed; transform:none; }

.btn-secondary {
  background:var(--bg-card); color:var(--text-secondary);
  border:1.5px solid var(--border);
}
.btn-danger {
  background:var(--danger-bg); color:var(--danger);
  border:1.5px solid rgba(239,68,68,.3);
}
.btn-sm {
  padding:10px 16px; font-size:14px;
  width:auto; border-radius:var(--radius-sm);
}
.flex-1 { flex:1; }

/* ── Scan Screen ─────────────────────────────────────── */
#scanScreen { background:#000; position:fixed; }

.scan-header {
  position:absolute; top:0; left:0; right:0; z-index:10;
  padding:env(safe-area-inset-top,16px) 20px 16px;
  padding-top:max(env(safe-area-inset-top),16px);
  background:linear-gradient(to bottom,rgba(0,0,0,.85) 0%,transparent 100%);
  display:flex; align-items:center; justify-content:space-between;
}
.scan-header-title { font-size:14px; font-weight:700; color:white; letter-spacing:.5px; }
.counter-badge {
  background:rgba(0,0,0,.8); backdrop-filter:blur(10px);
  border-radius:100px; padding:6px 18px;
  font-size:16px; font-weight:800; color:white;
}

.scan-video-container {
  position:relative; width:100%; height:100%;
  display:flex; align-items:center; justify-content:center;
}
#videoEl { width:100%; height:100%; object-fit:cover; display:block; }

/* Guide frame */
.scan-guide {
  position:absolute; top:50%; left:50%;
  transform:translate(-50%,-55%);
  width:min(72%,280px); aspect-ratio:1/1;
  pointer-events:none; z-index:5;
}
.scan-guide::before,.scan-guide::after {
  content:''; position:absolute; width:34px; height:34px;
  border-color:rgba(255,255,255,.9); border-style:solid;
}
.scan-guide::before {
  top:0;left:0; border-width:3px 0 0 3px; border-radius:4px 0 0 0;
}
.scan-guide::after {
  bottom:0;right:0; border-width:0 3px 3px 0; border-radius:0 0 4px 0;
}
.scan-guide-corners { position:absolute; inset:0; }
.scan-guide-corners::before,.scan-guide-corners::after {
  content:''; position:absolute; width:34px; height:34px;
  border-color:rgba(255,255,255,.9); border-style:solid;
}
.scan-guide-corners::before { top:0;right:0; border-width:3px 3px 0 0; border-radius:0 4px 0 0; }
.scan-guide-corners::after  { bottom:0;left:0; border-width:0 0 3px 3px; border-radius:0 0 0 4px; }

.scan-line {
  position:absolute; left:8%;right:8%; height:2px;
  background:linear-gradient(90deg,transparent,var(--accent),transparent);
  animation:scanLine 2.2s linear infinite;
}
@keyframes scanLine {
  0%   { top:8%; opacity:0; }
  10%  { opacity:1; }
  90%  { opacity:1; }
  100% { top:92%; opacity:0; }
}

/* Result overlay */
.result-overlay {
  position:absolute; bottom:130px; left:20px; right:20px; z-index:20;
  padding:18px 24px; border-radius:var(--radius);
  backdrop-filter:blur(20px);
  transform:translateY(24px); opacity:0;
  transition:all .28s cubic-bezier(.34,1.56,.64,1);
  border:1.5px solid transparent; text-align:center;
  pointer-events:none;
}
.result-overlay.show { transform:translateY(0); opacity:1; }
.result-overlay.found      { background:rgba(22,163,74,.95);  border-color:rgba(22,163,74,.5); }
.result-overlay.duplicate  { background:rgba(217,119,6,.95); border-color:rgba(217,119,6,.5); }
.result-overlay.notfound   { background:rgba(220,38,38,.95);  border-color:rgba(220,38,38,.5); }

.result-icon   { font-size:38px; margin-bottom:4px; display:block; }
.result-status {
  font-size:30px; font-weight:900; color:white; display:block;
  letter-spacing:2px; text-shadow:0 2px 8px rgba(0,0,0,.3);
}
.result-code {
  font-size:13px; color:rgba(255,255,255,.85); display:block;
  margin-top:5px; font-family:monospace; letter-spacing:1px;
  word-break:break-all;
}

/* Camera error */
.camera-error {
  position:absolute; inset:0; z-index:30;
  display:none; flex-direction:column;
  align-items:center; justify-content:center;
  padding:40px 24px; text-align:center;
  background:var(--bg-primary);
}
.camera-error.show { display:flex; }
.camera-error-icon { font-size:64px; margin-bottom:20px; }
.camera-error h2 { font-size:22px; font-weight:800; margin-bottom:10px; }
.camera-error p { color:var(--text-secondary); font-size:14px; margin-bottom:24px; max-width:300px; }

/* Scan bottom bar */
.scan-bottom {
  position:absolute; bottom:0; left:0; right:0; z-index:10;
  padding:16px 16px max(env(safe-area-inset-bottom),20px);
  background:linear-gradient(to top,rgba(0,0,0,.9) 0%,transparent 100%);
  display:flex; gap:10px; align-items:center;
}

/* ── Review Screen ───────────────────────────────────── */
.review-header {
  background:var(--bg-secondary); border-bottom:1px solid var(--border);
  padding:14px 20px; display:flex; align-items:center; gap:14px;
  position:sticky; top:0; z-index:10;
}
.review-header-back {
  background:none; border:none; color:var(--accent);
  font-size:28px; cursor:pointer; line-height:1;
  -webkit-tap-highlight-color:transparent;
}
.review-header-title { font-size:17px; font-weight:800; flex:1; }

.review-stats { display:grid; grid-template-columns:1fr 1fr; gap:12px; padding:20px; }
.stat-card {
  background:var(--bg-card); border:1px solid var(--border);
  border-radius:var(--radius-sm); padding:16px; text-align:center;
}
.stat-value { font-size:36px; font-weight:900; line-height:1; margin-bottom:4px; }
.stat-label {
  font-size:11px; font-weight:600; color:var(--text-muted);
  text-transform:uppercase; letter-spacing:.5px;
}
.stat-card.scanned   .stat-value { color:var(--success); }
.stat-card.remaining .stat-value { color:var(--danger); }

.progress-container { padding:0 20px 20px; }
.progress-bar { height:8px; background:var(--bg-card); border-radius:100px; overflow:hidden; }
.progress-fill {
  height:100%; border-radius:100px;
  background:var(--accent);
  transition:width .4s ease; width:0%;
}
.progress-label {
  display:flex; justify-content:space-between;
  font-size:12px; color:var(--text-muted); margin-top:6px;
}

.filter-tabs { display:flex; padding:0 20px; gap:8px; margin-bottom:8px; flex-wrap:wrap; }
.copy-all-row { padding:0 20px; margin-bottom:12px; }
.filter-tab {
  padding:8px 16px; border-radius:100px;
  border:1.5px solid var(--border); background:none;
  color:var(--text-secondary); font-family:'Inter',sans-serif;
  font-size:13px; font-weight:600; cursor:pointer;
  transition:all .2s; -webkit-tap-highlight-color:transparent; white-space:nowrap;
}
.filter-tab.active { background:var(--accent); border-color:var(--accent); color:white; }
.copy-all-btn {
  display:flex; align-items:center; gap:6px;
  padding:8px 14px; border-radius:100px;
  border:1.5px solid var(--border); background:none;
  color:var(--text-secondary); font-family:'Inter',sans-serif;
  font-size:13px; font-weight:600; cursor:pointer;
  transition:all .2s; -webkit-tap-highlight-color:transparent; white-space:nowrap; flex-shrink:0;
}
.copy-all-btn:hover { border-color:var(--accent); color:var(--accent); }
.copy-all-btn.copied { border-color:var(--success); color:var(--success); }

.review-list { padding:0 20px; display:flex; flex-direction:column; gap:8px; }
.review-item {
  display:flex; align-items:center; gap:14px;
  background:var(--bg-card); border:1px solid var(--border);
  border-radius:var(--radius-sm); padding:14px 16px;
  transition:all .2s;
}
.review-item.scanned { border-color:rgba(22,163,74,.2); background:rgba(22,163,74,.05); }
.review-item.pending { border-color:rgba(220,38,38,.2); background:rgba(220,38,38,.05); }

.review-item-icon { font-size:20px; flex-shrink:0; }
.review-item-code {
  font-family:monospace; font-size:15px; font-weight:600;
  color:var(--text-primary); flex:1; word-break:break-all;
}
.review-item-badge {
  font-size:11px; font-weight:700; padding:4px 10px;
  border-radius:100px; flex-shrink:0;
}
.review-item.scanned .review-item-badge { background:var(--success-bg); color:var(--success); }
.review-item.pending .review-item-badge { background:var(--danger-bg); color:var(--danger); }
.item-copy-btn {
  display:flex; align-items:center; justify-content:center;
  width:28px; height:28px; border-radius:6px; border:1px solid var(--border);
  background:none; color:var(--text-muted); cursor:pointer; flex-shrink:0;
  transition:all .2s; -webkit-tap-highlight-color:transparent;
}
.item-copy-btn:hover { border-color:var(--accent); color:var(--accent); background:rgba(99,102,241,.07); }
.item-copy-btn.copied { border-color:var(--success); color:var(--success); }

/* ── Confirm Dialog ──────────────────────────────────── */
.dialog-backdrop {
  position:fixed; inset:0; z-index:100;
  background:rgba(0,0,0,.7); backdrop-filter:blur(8px);
  display:flex; align-items:center; justify-content:center;
  padding:24px; opacity:0; pointer-events:none;
  transition:opacity .2s;
}
.dialog-backdrop.show { opacity:1; pointer-events:all; }
.dialog-box {
  background:var(--bg-card); border:1px solid var(--border);
  border-radius:var(--radius); padding:28px 24px;
  max-width:360px; width:100%;
  transform:scale(.95); transition:transform .2s;
}
.dialog-backdrop.show .dialog-box { transform:scale(1); }
.dialog-icon  { font-size:48px; text-align:center; margin-bottom:12px; }
.dialog-title { font-size:20px; font-weight:800; text-align:center; margin-bottom:10px; }
.dialog-body  { font-size:14px; color:var(--text-secondary); text-align:center; margin-bottom:24px; line-height:1.6; }
.dialog-actions { display:flex; gap:12px; }

/* ── Toast ───────────────────────────────────────────── */
.toast {
  position:fixed; bottom:32px; left:50%; transform:translateX(-50%) translateY(80px);
  background:rgba(0,0,0,.9); backdrop-filter:blur(16px);
  border:1px solid rgba(255,255,255,.1); border-radius:100px;
  padding:14px 24px; font-size:15px; font-weight:600;
  color:white; z-index:200; white-space:nowrap;
  transition:transform .35s cubic-bezier(.34,1.56,.64,1), opacity .35s;
  opacity:0; pointer-events:none;
}
.toast.show { transform:translateX(-50%) translateY(0); opacity:1; }

/* ── Mute indicator ──────────────────────────────────── */
.muted #muteBtn { opacity:.5; }