/* OTP Extractor — clean light SaaS dashboard */
:root {
  --bg: #f5f6fb;
  --panel: #ffffff;
  --border: #e7e9f0;
  --border-strong: #d6d9e4;
  --text: #0f172a;
  --muted: #667085;
  --muted-2: #98a2b3;
  --accent: #4f46e5;
  --accent-hover: #4338ca;
  --accent-soft: #eef2ff;
  --ok: #15a34a;
  --ok-soft: #ecfdf3;
  --warn: #b54708;
  --warn-soft: #fffaeb;
  --err: #d92d20;
  --err-soft: #fef3f2;
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.05);
  --shadow: 0 2px 8px rgba(16, 24, 40, 0.06), 0 1px 2px rgba(16, 24, 40, 0.04);
  --shadow-lg: 0 16px 40px rgba(16, 24, 40, 0.10);
  --radius: 14px;
  --radius-sm: 10px;
  --sidebar: 248px;
}

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

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  font-size: 14px;
  line-height: 1.5;
}

.app { display: flex; min-height: 100vh; }

/* ---------- Sidebar ---------- */
.sidebar {
  width: var(--sidebar);
  flex-shrink: 0;
  background: var(--panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 22px 16px;
  position: sticky;
  top: 0;
  height: 100vh;
}
.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 4px 8px 22px;
}
.brand .logo {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), #7c6cf6);
  display: grid;
  place-items: center;
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.brand .logo svg { width: 20px; height: 20px; }
.brand .name { font-weight: 700; font-size: 15px; letter-spacing: -0.01em; }
.brand .tag { font-size: 11px; color: var(--muted-2); }

.nav { display: flex; flex-direction: column; gap: 2px; }
.nav-label {
  font-size: 11px; font-weight: 600; letter-spacing: 0.04em;
  text-transform: uppercase; color: var(--muted-2);
  padding: 12px 10px 6px;
}
.nav-item {
  display: flex; align-items: center; gap: 11px;
  padding: 9px 11px;
  border-radius: var(--radius-sm);
  color: var(--muted);
  font-weight: 500;
  cursor: pointer;
  border: none; background: none; width: 100%; text-align: left;
  font-size: 13.5px;
  transition: background 0.15s, color 0.15s;
}
.nav-item svg { width: 18px; height: 18px; flex-shrink: 0; }
.nav-item:hover { background: #f6f7fb; color: var(--text); }
.nav-item.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }

.sidebar-foot {
  margin-top: auto;
  padding: 14px 10px 4px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--muted-2);
}
.sidebar-foot .dot { color: var(--ok); }

/* ---------- Main ---------- */
.main { flex: 1; min-width: 0; }
.topbar {
  padding: 26px 36px 18px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
}
.topbar h1 { font-size: 22px; font-weight: 700; letter-spacing: -0.02em; }
.topbar p { color: var(--muted); margin-top: 3px; }
.content { padding: 8px 36px 48px; max-width: 1080px; }

.view { display: none; }
.view.active { display: block; animation: fade 0.25s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

/* ---------- Stat cards ---------- */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 22px; }
.stat {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
}
.stat .k { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 12.5px; font-weight: 500; }
.stat .k .ic { width: 30px; height: 30px; border-radius: 8px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent); }
.stat .k .ic svg { width: 16px; height: 16px; }
.stat .v { font-size: 28px; font-weight: 700; margin-top: 10px; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.stat .sub { font-size: 12px; color: var(--muted-2); margin-top: 2px; }

/* ---------- Cards ---------- */
.grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 16px; align-items: start; }
@media (max-width: 880px) { .grid { grid-template-columns: 1fr; } .stats { grid-template-columns: 1fr; } .sidebar { display: none; } }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.card-head { padding: 18px 20px 0; }
.card-head h2 { font-size: 15px; font-weight: 650; }
.card-head p { color: var(--muted); font-size: 12.5px; margin-top: 2px; }
.card-body { padding: 18px 20px 20px; }

/* ---------- Dropzone ---------- */
.drop {
  border: 1.5px dashed var(--border-strong);
  border-radius: var(--radius);
  padding: 34px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.18s, background 0.18s;
  background: #fcfcfe;
  display: block;
}
.drop:hover, .drop.drag { border-color: var(--accent); background: var(--accent-soft); }
.drop .ic {
  width: 48px; height: 48px; margin: 0 auto 12px;
  border-radius: 12px; background: var(--accent-soft); color: var(--accent);
  display: grid; place-items: center;
}
.drop .ic svg { width: 24px; height: 24px; }
.drop strong { font-weight: 600; }
.drop .hint { color: var(--muted-2); font-size: 12px; margin-top: 5px; }
input[type=file] { display: none; }

.preview { margin-top: 16px; display: none; align-items: center; gap: 14px; padding: 12px; background: #f8f9fc; border: 1px solid var(--border); border-radius: var(--radius-sm); }
.preview img { width: 72px; height: 72px; object-fit: cover; border-radius: 8px; border: 1px solid var(--border); background: #fff; }
.preview .filebox { width: 72px; height: 72px; border-radius: 8px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent); flex-shrink: 0; }
.preview .filebox svg { width: 28px; height: 28px; }
.preview .meta { min-width: 0; }
.preview .meta .fn { font-weight: 600; font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.preview .meta .fs { color: var(--muted-2); font-size: 12px; }

.btn {
  width: 100%; margin-top: 16px;
  padding: 12px 16px;
  border: none; border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 600; color: #fff;
  background: var(--accent);
  cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  transition: background 0.15s, opacity 0.15s, transform 0.08s;
}
.btn:hover:not(:disabled) { background: var(--accent-hover); }
.btn:active:not(:disabled) { transform: translateY(1px); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }

.btn-ghost {
  background: var(--panel); color: var(--text);
  border: 1px solid var(--border-strong);
  padding: 8px 14px; border-radius: var(--radius-sm);
  font-size: 13px; font-weight: 600; cursor: pointer; width: auto; margin: 0;
}
.btn-ghost:hover { background: #f6f7fb; }

.spinner {
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,0.45);
  border-top-color: #fff; border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Result ---------- */
.result { margin-top: 16px; display: none; border-radius: var(--radius); border: 1px solid var(--border); overflow: hidden; }
.result.ok { border-color: #b7e4c7; }
.result.err { border-color: #fda29b; }
.result-top { padding: 18px 20px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.result.ok .result-top { background: var(--ok-soft); }
.result.err .result-top { background: var(--err-soft); }
.result .lbl { font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); font-weight: 600; }
.result .otp { font-size: 34px; font-weight: 800; letter-spacing: 6px; font-variant-numeric: tabular-nums; color: var(--ok); line-height: 1.1; margin-top: 4px; }
.result.err .otp { font-size: 16px; letter-spacing: 0; color: var(--err); font-weight: 600; }
.copy { display: inline-flex; align-items: center; gap: 6px; padding: 9px 14px; border-radius: 9px; border: 1px solid var(--border-strong); background: #fff; color: var(--text); font-size: 13px; font-weight: 600; cursor: pointer; }
.copy:hover { border-color: var(--accent); color: var(--accent); }
.copy svg { width: 15px; height: 15px; }

.cands { padding: 14px 20px; border-top: 1px solid var(--border); background: #fff; }
.cands .ct { font-size: 12px; color: var(--muted); margin-bottom: 8px; }
.chips { display: flex; flex-wrap: wrap; gap: 7px; }
.chip { font-variant-numeric: tabular-nums; font-size: 13px; font-weight: 600; padding: 5px 11px; border-radius: 8px; border: 1px solid var(--border); background: #f8f9fc; color: var(--muted); }
.chip.picked { background: var(--ok-soft); color: var(--ok); border-color: #b7e4c7; }
.chip.picked::before { content: "✓ "; }
.meta-row { display: flex; gap: 14px; padding: 12px 20px; border-top: 1px solid var(--border); font-size: 12px; color: var(--muted-2); background: #fff; }
.meta-row b { color: var(--text); font-weight: 600; }

/* ---------- Table ---------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead th { text-align: left; padding: 11px 16px; color: var(--muted); font-weight: 600; font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.04em; border-bottom: 1px solid var(--border); background: #fbfbfd; }
tbody td { padding: 12px 16px; border-bottom: 1px solid var(--border); }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: #fafbff; }
.mono { font-variant-numeric: tabular-nums; font-weight: 600; }
.pill { display: inline-flex; align-items: center; gap: 5px; padding: 3px 9px; border-radius: 20px; font-size: 11.5px; font-weight: 600; }
.pill.ok { background: var(--ok-soft); color: var(--ok); }
.pill.none { background: var(--warn-soft); color: var(--warn); }
.pill.err { background: var(--err-soft); color: var(--err); }
.pill .d { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.ftype { display: inline-flex; align-items: center; gap: 7px; color: var(--muted); }
.ftype svg { width: 15px; height: 15px; }

.empty { padding: 44px 20px; text-align: center; color: var(--muted-2); }
.empty svg { width: 38px; height: 38px; margin-bottom: 10px; opacity: 0.6; }

.recent-item { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 11px 0; border-bottom: 1px solid var(--border); }
.recent-item:last-child { border-bottom: none; }
.recent-item .ri-l { display: flex; align-items: center; gap: 10px; min-width: 0; }
.recent-item .ri-l .fn { font-size: 13px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 180px; }
.recent-item .ts { color: var(--muted-2); font-size: 12px; }

.section-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.section-head h2 { font-size: 16px; font-weight: 650; }

/* ---------- Docs ---------- */
.steps { display: grid; gap: 12px; }
.step { display: flex; gap: 13px; align-items: flex-start; }
.step .n { width: 26px; height: 26px; border-radius: 8px; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; font-weight: 700; font-size: 13px; flex-shrink: 0; }
.step .stx b { font-weight: 600; }
.step .stx p { color: var(--muted); font-size: 13px; margin-top: 1px; }
pre { background: #0f172a; color: #e2e8f0; padding: 16px 18px; border-radius: var(--radius-sm); overflow-x: auto; font-size: 12.5px; line-height: 1.6; font-family: "SF Mono", "Cascadia Code", Consolas, monospace; }
pre .tok-c { color: #94a3b8; }
.toast { position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%) translateY(20px); background: var(--text); color: #fff; padding: 10px 18px; border-radius: 10px; font-size: 13px; font-weight: 500; box-shadow: var(--shadow-lg); opacity: 0; pointer-events: none; transition: opacity 0.2s, transform 0.2s; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---------- Inspector ---------- */
.stage-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; align-items: start; }
@media (max-width: 880px) { .stage-grid { grid-template-columns: 1fr; } }
.insp-canvas { max-width: 100%; border: 1px solid var(--border); border-radius: var(--radius-sm); background: #fff; }
.insp-strip { width: 100%; }
.insp-legend { display: flex; justify-content: center; gap: 18px; margin-top: 12px; font-size: 12px; color: var(--muted); }
.insp-legend .sw { display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }
.sw-arrow { background: rgba(21, 163, 74, 0.25); border: 1.5px solid var(--ok); }
.sw-band { background: rgba(79, 70, 229, 0.14); border: 1.5px solid var(--accent); }
.insp-pred .insp-otp { font-size: 30px; font-weight: 800; letter-spacing: 5px; font-variant-numeric: tabular-nums; color: var(--text); margin-bottom: 12px; }
.insp-pred.hit { border-color: #b7e4c7; }
.insp-pred.hit .insp-otp { color: var(--ok); }
.insp-pred.miss .insp-otp { color: var(--muted-2); }
.insp-final { background: linear-gradient(180deg, #fff, #fafaff); }
.insp-final-body { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.insp-final-otp { font-size: 36px; font-weight: 800; letter-spacing: 7px; font-variant-numeric: tabular-nums; color: var(--ok); margin-top: 4px; }
.insp-verdict { font-size: 13px; font-weight: 600; padding: 8px 14px; border-radius: 10px; text-align: right; max-width: 320px; }
.insp-verdict.win { background: var(--ok-soft); color: var(--ok); }
.insp-verdict.same { background: var(--accent-soft); color: var(--accent); }
.insp-verdict.none { background: var(--warn-soft); color: var(--warn); }