/* =========================================================================
   Fetal Reports · Clinical Document Extraction
   Light theme, icon-sidebar + dashboard + review layout.
   ========================================================================= */

:root {
  /* Surfaces */
  --bg:          #f6f7fb;
  --panel:       #ffffff;
  --panel-alt:   #f8fafc;
  --panel-subtle:#f1f5f9;

  /* Borders */
  --border:        #e5e7eb;
  --border-strong: #d1d5db;

  /* Text */
  --text:     #0f172a;
  --text-dim: #475569;
  --muted:    #64748b;
  --soft:     #94a3b8;

  /* Accent (green, like the reference) */
  --accent:       #10b981;
  --accent-hover: #059669;
  --accent-soft:  #d1fae5;
  --accent-ink:   #064e3b;
  --accent-glow:  0 4px 18px -4px rgba(16, 185, 129, 0.55);

  /* Semantic */
  --blue:  #2563eb;     --blue-bg:  #dbeafe;
  --green: #16a34a;     --green-bg: #dcfce7;
  --amber: #d97706;     --amber-bg: #fef3c7;
  --red:   #dc2626;     --red-bg:   #fee2e2;
  --violet:#7c3aed;     --violet-bg:#ede9fe;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 14px -4px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 10px 24px -8px rgba(15, 23, 42, 0.12);

  /* Layout */
  --sidebar-w: 68px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 14px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto,
    "Helvetica Neue", Arial, sans-serif;
  font-size: clamp(15px, 0.25vw + 14px, 17px);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

pre, code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }

/* ========== Layout: sidebar + main ====================================== */

.app {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: 100vh;
}

.sidebar {
  background: var(--panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 14px 0;
  position: sticky;
  top: 0;
  height: 100vh;
}

.sidebar .logo {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, #10b981, #0ea5e9);
  color: #fff;
  font-weight: 800;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: -0.5px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 18px;
}

.sidebar nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 100%;
  align-items: center;
}

.side-item {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, color 0.15s;
  border: 1px solid transparent;
}
.side-item:hover {
  background: var(--panel-subtle);
  color: var(--text);
  text-decoration: none;
}
.side-item.active {
  background: var(--accent-soft);
  color: var(--accent-hover);
  border-color: #a7f3d0;
}
.side-item svg { width: 20px; height: 20px; }

.sidebar .spacer { flex: 1; }

.main {
  min-width: 0;
  padding: 28px clamp(18px, 2.2vw, 36px) 80px;
  max-width: 1560px;
}

/* ========== Page header ================================================= */

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 22px;
  flex-wrap: wrap;
}
.page-header h1 {
  margin: 0;
  font-size: clamp(24px, 0.8vw + 20px, 30px);
  font-weight: 700;
  letter-spacing: -0.4px;
}
.page-header .sub {
  color: var(--muted);
  margin-top: 4px;
  font-size: 14px;
}
.page-header .actions { display: flex; gap: 10px; align-items: center; }

/* ========== Buttons ==================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 10px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: background 0.15s, transform 0.05s, box-shadow 0.15s;
  box-shadow: var(--accent-glow);
  text-decoration: none;
  line-height: 1;
}
.btn:hover { background: var(--accent-hover); text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; box-shadow: none; }

.btn.secondary {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-sm);
}
.btn.secondary:hover { background: var(--panel-subtle); }

.btn.ghost {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border);
  box-shadow: none;
  padding: 8px 12px;
}
.btn.ghost:hover { background: var(--panel-subtle); color: var(--text); }

.btn.icon {
  width: 36px;
  height: 36px;
  padding: 0;
  justify-content: center;
}

/* ========== Cards / panels ============================================= */

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  margin-bottom: 18px;
  box-shadow: var(--shadow-sm);
}
.card.tight { padding: 14px 16px; }
.card h2 {
  margin: 0 0 14px 0;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.2px;
  color: var(--text);
  display: flex; align-items: center; gap: 8px;
}
.card h2 .icon {
  width: 28px; height: 28px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent-soft); color: var(--accent-hover);
}
.card h2 .icon svg { width: 16px; height: 16px; }

/* ========== Stat cards row ============================================= */

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 22px;
}
.stat {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px 18px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.stat .label {
  display: flex; align-items: center; gap: 8px;
  color: var(--muted); font-size: 13px; font-weight: 500;
}
.stat .label .ico {
  width: 22px; height: 22px; border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
}
.stat .label .ico svg { width: 14px; height: 14px; }

.stat .value {
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -0.8px;
  line-height: 1.1;
  margin-top: 4px;
}

.stat.blue   .label .ico { background: var(--blue-bg);   color: var(--blue); }
.stat.blue   .value { color: var(--blue); }
.stat.amber  .label .ico { background: var(--amber-bg);  color: var(--amber); }
.stat.amber  .value { color: var(--amber); }
.stat.green  .label .ico { background: var(--green-bg);  color: var(--green); }
.stat.green  .value { color: var(--green); }
.stat.violet .label .ico { background: var(--violet-bg); color: var(--violet); }
.stat.violet .value { color: var(--violet); }

/* ========== Table ====================================================== */

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.panel-header {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.panel-header h2 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.2px;
}
.panel-header .grow { flex: 1; }
.panel-header .tools { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.table thead th {
  text-align: left;
  padding: 12px 16px;
  font-size: 11.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--muted);
  background: var(--panel-alt);
  border-bottom: 1px solid var(--border);
}
.table tbody td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.table tbody tr:last-child td { border-bottom: none; }
.table tbody tr:hover { background: var(--panel-subtle); }

.table .thumb {
  width: 44px; height: 44px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel-alt) center / cover no-repeat;
  flex: 0 0 44px;
}
.table .name-col {
  display: flex; align-items: center; gap: 12px;
  min-width: 0;
}
.table .name {
  font-weight: 600; color: var(--text);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  max-width: 320px;
}
.table .subtle { color: var(--muted); font-size: 12.5px; margin-top: 2px; }
.table .num { font-variant-numeric: tabular-nums; }

/* Pagination / empty state */
.empty {
  padding: 40px 20px;
  text-align: center;
  color: var(--muted);
}

/* Search / filter controls */
.input, .select {
  background: var(--panel);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  padding: 9px 12px;
  font-size: 14px;
  color: var(--text);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
  min-width: 200px;
}
.input::placeholder { color: var(--soft); }
.input:focus, .select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

/* ========== Pills / chips ============================================== */

.pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  line-height: 1;
}
.pill svg { width: 12px; height: 12px; }
.pill.green  { background: var(--green-bg);  color: var(--green); }
.pill.amber  { background: var(--amber-bg);  color: var(--amber); }
.pill.red    { background: var(--red-bg);    color: var(--red); }
.pill.blue   { background: var(--blue-bg);   color: var(--blue); }
.pill.violet { background: var(--violet-bg); color: var(--violet); }
.pill.neutral{ background: var(--panel-subtle); color: var(--text-dim); border: 1px solid var(--border); }

/* Legacy chip/banner names referenced by app.js */
.chip {
  display: inline-flex; align-items: center;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.3px;
}
.chip.ok   { background: var(--green-bg); color: var(--green); }
.chip.warn { background: var(--amber-bg); color: var(--amber); }
.chip.bad  { background: var(--red-bg);   color: var(--red); }

.banner {
  padding: 12px 16px;
  border-radius: 12px;
  margin-bottom: 16px;
  font-size: 14px;
  font-weight: 500;
  border: 1px solid var(--border);
  background: var(--panel);
}
.banner.warn { background: var(--amber-bg); color: #92400e; border-color: #fde68a; }
.banner.ok   { background: var(--green-bg); color: #166534; border-color: #bbf7d0; }
.banner.err  { background: var(--red-bg);   color: #991b1b; border-color: #fecaca; }

/* ========== Review page: split image + fields ========================== */

.review {
  display: grid;
  grid-template-columns: minmax(360px, 1fr) minmax(0, 1.2fr);
  gap: 20px;
  align-items: start;
}
@media (max-width: 1100px) {
  .review { grid-template-columns: 1fr; }
}

.viewer {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: sticky;
  top: 16px;
  box-shadow: var(--shadow-sm);
}
.viewer-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--panel-alt);
}
.viewer-toolbar .title {
  flex: 1;
  min-width: 0;
  font-size: 13px;
  color: var(--text-dim);
  font-weight: 500;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  display: flex; align-items: center; gap: 6px;
}
.viewer-toolbar .tbtn {
  width: 32px; height: 32px;
  border-radius: 8px;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text-dim);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.15s, color 0.15s;
}
.viewer-toolbar .tbtn:hover { background: var(--panel-subtle); color: var(--text); }
.viewer-toolbar .tbtn svg { width: 15px; height: 15px; }

.viewer-body {
  background: #0b1220;
  min-height: 360px;
  max-height: 82vh;
  display: flex; align-items: center; justify-content: center;
  overflow: auto;
  padding: 16px;
}
.viewer-body img {
  max-width: 100%;
  max-height: 78vh;
  transform-origin: center center;
  transition: transform 0.15s ease;
  border-radius: 6px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.5);
  background: #fff;
}
.viewer-body .placeholder { color: #94a3b8; font-size: 13px; }

.review-col { min-width: 0; display: flex; flex-direction: column; gap: 16px; }

/* ========== Field groups (review form style) =========================== */

.group {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 18px 20px;
}
.group h3 {
  margin: 0 0 14px 0;
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  display: flex; align-items: center; gap: 8px;
  letter-spacing: -0.1px;
}
.group h3 .icon {
  width: 26px; height: 26px; border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent-soft); color: var(--accent-hover);
}
.group h3 .icon svg { width: 15px; height: 15px; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px 14px;
}

.field {
  display: flex; flex-direction: column; gap: 6px;
  min-width: 0;
}
.field > .label {
  font-size: 12px;
  color: var(--muted);
  font-weight: 500;
  display: flex; justify-content: space-between; align-items: center;
  gap: 8px;
}
.field-box {
  border: 1px solid var(--border-strong);
  background: var(--panel);
  border-radius: 8px;
  padding: 9px 12px;
  font-size: 14px;
  color: var(--text);
  font-weight: 500;
  min-height: 38px;
  display: flex; align-items: center;
  word-break: break-word;
}
.field-box.null { color: var(--soft); font-style: italic; font-weight: 400; }
.field-box .raw {
  margin-left: 8px;
  color: var(--muted);
  font-size: 12px;
  font-style: italic;
  font-weight: 400;
}
.field.lowconf .field-box { border-color: #fbbf24; background: #fffbeb; }

/* ========== Upload page =============================================== */

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 18px;
}
@media (max-width: 720px) { .form-row { grid-template-columns: 1fr; } }

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-dim);
  margin-bottom: 6px;
}
.form-input {
  width: 100%;
  padding: 10px 12px;
  background: var(--panel);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  font-size: 14px;
  color: var(--text);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.form-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

.dropzone {
  border: 2px dashed var(--border-strong);
  border-radius: var(--radius-lg);
  background: var(--panel-alt);
  padding: 48px 24px;
  text-align: center;
  color: var(--muted);
  transition: background 0.15s, border-color 0.15s;
  cursor: pointer;
}
.dropzone:hover, .dropzone.drag {
  border-color: var(--accent);
  background: #ecfdf5;
  color: var(--text-dim);
}
.dropzone .big {
  font-size: 15px; color: var(--text); font-weight: 600; margin-top: 10px;
}
.dropzone .hint { font-size: 12.5px; color: var(--muted); margin-top: 4px; }
.dropzone svg { width: 42px; height: 42px; color: var(--soft); }

.filelist {
  margin-top: 14px;
  display: flex; flex-direction: column; gap: 8px;
}
.filerow {
  display: flex; align-items: center; gap: 12px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--panel-alt);
  font-size: 13px;
}
.filerow .fname { flex: 1; min-width: 0; color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.filerow .size { color: var(--muted); font-size: 12px; }
.filerow .remove { background: transparent; border: none; color: var(--muted); cursor: pointer; font-size: 18px; line-height: 1; padding: 2px 6px; }
.filerow .remove:hover { color: var(--red); }

.action-bar {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  margin-top: 18px;
}
.action-bar .btn.primary-big {
  width: 100%; justify-content: center;
  padding: 14px 18px;
  font-size: 15px;
}

/* ========== Review toolbar (top of review page) ======================== */

.review-topbar {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 14px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
  flex-wrap: wrap;
}
.review-topbar .title {
  flex: 1;
  min-width: 200px;
  display: flex; align-items: center; gap: 10px;
  font-weight: 600;
  color: var(--text);
}
.review-topbar .title .big { font-size: 15px; }
.review-topbar .title .small { font-size: 12.5px; color: var(--muted); font-weight: 500; }

/* ========== Structured JSON / raw text boxes =========================== */

.raw-text, pre.code {
  background: #0b1220;
  color: #e2e8f0;
  padding: 16px;
  border-radius: 10px;
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 12.5px;
  line-height: 1.5;
  max-height: 520px;
  overflow: auto;
  margin: 0;
}

/* ========== Utilities ================================================== */

.row { display: flex; align-items: center; gap: 10px; }
.wrap { flex-wrap: wrap; }
.muted { color: var(--muted); }
.small { font-size: 12.5px; }
.spacer { flex: 1; }
.mt-0 { margin-top: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }
.hidden { display: none !important; }