/* ============================================================
   assets/style.css — Personal Document Intel & Archiver
   Caregiver-friendly, calming blues/teals, clean & accessible
   ============================================================ */

/* ── Google Fonts ─────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* ── CSS Custom Properties ────────────────────────────────── */
:root {
  --primary:       #1e7a8f;
  --primary-light: #2a9db5;
  --primary-dark:  #145f70;
  --accent:        #0ea5a0;
  --accent-light:  #14b8b3;

  --bg:            #f0f7fa;
  --bg-card:       #ffffff;
  --bg-sidebar:    #e8f4f8;
  --bg-hover:      #d6edf4;

  --text-primary:  #1a2f38;
  --text-secondary:#4a6b78;
  --text-muted:    #7a9aaa;
  --text-on-accent:#ffffff;

  --border:        #c8dfe8;
  --border-focus:  #1e7a8f;

  --success:       #1a9a6e;
  --warning:       #d68c1a;
  --danger:        #c0392b;

  --radius-sm:     6px;
  --radius:        10px;
  --radius-lg:     16px;

  --shadow-sm:     0 1px 4px rgba(30,122,143,0.10);
  --shadow:        0 4px 16px rgba(30,122,143,0.14);
  --shadow-lg:     0 8px 32px rgba(30,122,143,0.18);

  --transition:    0.18s ease;
}

/* ── Base Reset ───────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
}

body, .gradio-container {
  font-family: 'Inter', system-ui, -apple-system, sans-serif !important;
  background-color: var(--bg) !important;
  color: var(--text-primary) !important;
  font-size: 15px;
  line-height: 1.6;
}

/* ── Status Banner ────────────────────────────────────────── */
.status-banner {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: #fff;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  box-shadow: var(--shadow-sm);
}

/* ── Tab Styling ──────────────────────────────────────────── */
.tab-nav {
  background: var(--bg-card) !important;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0 !important;
  border-bottom: 2px solid var(--border) !important;
  padding: 4px 8px 0 !important;
}

.tab-nav button {
  font-family: 'Inter', sans-serif !important;
  font-size: 14px !important;
  font-weight: 500 !important;
  color: var(--text-secondary) !important;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0 !important;
  padding: 10px 18px !important;
  transition: background var(--transition), color var(--transition) !important;
  border: none !important;
}

.tab-nav button:hover {
  background: var(--bg-hover) !important;
  color: var(--primary) !important;
}

.tab-nav button.selected {
  background: var(--bg) !important;
  color: var(--primary) !important;
  border-bottom: 3px solid var(--primary) !important;
  font-weight: 600 !important;
}

/* ── Inputs ───────────────────────────────────────────────── */
input[type="text"],
input[type="date"],
input[type="time"],
textarea,
select,
.gradio-textbox textarea,
.gradio-textbox input {
  font-family: 'Inter', sans-serif !important;
  border: 1.5px solid var(--border) !important;
  border-radius: var(--radius-sm) !important;
  background: #fff !important;
  color: var(--text-primary) !important;
  transition: border-color var(--transition), box-shadow var(--transition) !important;
  padding: 8px 12px !important;
  font-size: 14px !important;
}

input:focus,
textarea:focus,
select:focus,
.gradio-textbox textarea:focus,
.gradio-textbox input:focus {
  border-color: var(--border-focus) !important;
  box-shadow: 0 0 0 3px rgba(30,122,143,0.15) !important;
  outline: none !important;
}

/* ── Buttons ──────────────────────────────────────────────── */
button.primary,
.gradio-button.primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-light)) !important;
  color: #fff !important;
  border: none !important;
  border-radius: var(--radius-sm) !important;
  font-family: 'Inter', sans-serif !important;
  font-weight: 600 !important;
  font-size: 14px !important;
  padding: 9px 20px !important;
  cursor: pointer !important;
  transition: transform var(--transition), box-shadow var(--transition) !important;
  box-shadow: var(--shadow-sm) !important;
}

button.primary:hover,
.gradio-button.primary:hover {
  transform: translateY(-1px) !important;
  box-shadow: var(--shadow) !important;
}

button.secondary,
.gradio-button.secondary {
  background: var(--bg-card) !important;
  color: var(--primary) !important;
  border: 1.5px solid var(--border) !important;
  border-radius: var(--radius-sm) !important;
  font-family: 'Inter', sans-serif !important;
  font-weight: 500 !important;
  font-size: 14px !important;
  padding: 9px 20px !important;
  cursor: pointer !important;
  transition: background var(--transition), border-color var(--transition) !important;
}

button.secondary:hover,
.gradio-button.secondary:hover {
  background: var(--bg-hover) !important;
  border-color: var(--primary) !important;
}

/* Danger button */
button.danger {
  background: var(--bg-card) !important;
  color: var(--danger) !important;
  border: 1.5px solid var(--danger) !important;
  border-radius: var(--radius-sm) !important;
  font-family: 'Inter', sans-serif !important;
  font-weight: 500 !important;
  font-size: 14px !important;
  padding: 9px 20px !important;
  cursor: pointer !important;
  transition: background var(--transition) !important;
}

button.danger:hover { background: #fdecea !important; }

/* ── Cards / Panels ───────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition);
}

.card:hover { box-shadow: var(--shadow); }

/* ── Labels ───────────────────────────────────────────────── */
label,
.gradio-label {
  font-family: 'Inter', sans-serif !important;
  font-weight: 500 !important;
  font-size: 13px !important;
  color: var(--text-secondary) !important;
  margin-bottom: 4px !important;
  letter-spacing: 0.01em !important;
}

/* ── Dataframes / Tables ──────────────────────────────────── */
.gradio-dataframe table {
  border-collapse: collapse !important;
  width: 100% !important;
  font-size: 14px !important;
}

.gradio-dataframe th {
  background: var(--bg-sidebar) !important;
  color: var(--primary) !important;
  font-weight: 600 !important;
  padding: 10px 14px !important;
  border-bottom: 2px solid var(--border) !important;
  text-align: left !important;
}

.gradio-dataframe td {
  padding: 9px 14px !important;
  border-bottom: 1px solid var(--border) !important;
  color: var(--text-primary) !important;
}

.gradio-dataframe tr:hover td {
  background: var(--bg-hover) !important;
}

/* ── Food / Diet tables ──────────────────────────────────── */
table.allergy-table th {
  background: #fef3e7 !important;
  color: #b84a00 !important;
  border-bottom-color: #f5cba7 !important;
}
table.allergy-table {
  border: 1px solid #f5cba7 !important;
  border-radius: var(--radius-sm) !important;
}

table.preferred-table th {
  background: #e8f8ee !important;
  color: #1a7a4a !important;
  border-bottom-color: #a3d9b1 !important;
}
table.preferred-table {
  border: 1px solid #a3d9b1 !important;
  border-radius: var(--radius-sm) !important;
}

table.aversion-table th {
  background: #fef0e6 !important;
  color: #b45f2a !important;
  border-bottom-color: #f0c9a3 !important;
}
table.aversion-table {
  border: 1px solid #f0c9a3 !important;
  border-radius: var(--radius-sm) !important;
}

/* ── Chat Interface ───────────────────────────────────────── */
.gradio-chatbot {
  background: var(--bg-card) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius) !important;
}

.message.user {
  background: linear-gradient(135deg, var(--primary), var(--primary-light)) !important;
  color: #fff !important;
  border-radius: var(--radius) var(--radius-sm) var(--radius-sm) var(--radius) !important;
}

.message.bot {
  background: var(--bg-sidebar) !important;
  color: var(--text-primary) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-sm) var(--radius) var(--radius) var(--radius-sm) !important;
}

/* ── Accordion ────────────────────────────────────────────── */
.gradio-accordion {
  border: 1px solid var(--border) !important;
  border-radius: var(--radius) !important;
  overflow: hidden !important;
}

.gradio-accordion > .label-wrap {
  background: var(--bg-sidebar) !important;
  padding: 12px 16px !important;
  font-weight: 600 !important;
  color: var(--primary) !important;
}

/* ── Status / Alert Boxes ─────────────────────────────────── */
.status-ok    { color: var(--success); font-weight: 600; }
.status-warn  { color: var(--warning); font-weight: 600; }
.status-error { color: var(--danger);  font-weight: 600; }

/* ── Footer ───────────────────────────────────────────────── */
.app-footer {
  text-align: center;
  padding: 16px;
  color: var(--text-muted);
  font-size: 12px;
  border-top: 1px solid var(--border);
  margin-top: 24px;
}

/* ── Upload Zone ──────────────────────────────────────────── */
.upload-zone {
  border: 2px dashed var(--border) !important;
  border-radius: var(--radius) !important;
  background: var(--bg-sidebar) !important;
  transition: border-color var(--transition), background var(--transition) !important;
}

.upload-zone:hover {
  border-color: var(--primary) !important;
  background: var(--bg-hover) !important;
}

/* ── Scrollbars (webkit) ──────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover { background: var(--primary-light); }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 768px) {
  body, .gradio-container { font-size: 14px !important; }
  .tab-nav button { padding: 8px 12px !important; font-size: 12px !important; }
}