/* Shahi Darbar — shared stylesheet. Mobile-first, no external resources. */

:root {
  --sd-bg: #f6f7f9;
  --sd-surface: #ffffff;
  --sd-ink: #0f1f2e;
  --sd-ink-soft: #4a5a6a;
  --sd-line: #d9dee5;
  --sd-brand: #0f1f2e;
  --sd-brand-soft: #1f3448;
  --sd-accent: #b48b32;
  --sd-ok: #1f7a4a;
  --sd-warn: #9a6a12;
  --sd-danger: #a02a2a;
  --sd-radius: 10px;
  --sd-shadow: 0 1px 2px rgba(15,31,46,.06), 0 2px 8px rgba(15,31,46,.06);
  --sd-space: 12px;
  --sd-space-lg: 20px;
  --sd-font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--sd-font);
  background: var(--sd-bg);
  color: var(--sd-ink);
  line-height: 1.45;
  font-size: 15px;
}
a { color: var(--sd-brand-soft); text-decoration: none; }
a:hover, a:focus-visible { text-decoration: underline; }
h1, h2, h3 { margin: 0 0 var(--sd-space) 0; line-height: 1.2; }
h1 { font-size: 1.4rem; }
h2 { font-size: 1.15rem; }
h3 { font-size: 1rem; }
small { color: var(--sd-ink-soft); }

/* ---------- Layout shell ---------- */
.sd-shell { min-height: 100%; display: flex; flex-direction: column; }
.sd-nav {
  background: var(--sd-brand);
  color: #fff;
  position: sticky; top: 0; z-index: 10;
  box-shadow: var(--sd-shadow);
}
.sd-nav-inner {
  display: flex; align-items: center; gap: var(--sd-space);
  padding: 10px 14px;
  max-width: 1200px; margin: 0 auto;
  flex-wrap: wrap;
}
.sd-brand { color: #fff; font-weight: 700; letter-spacing: .4px; }
.sd-nav-links { display: flex; flex-wrap: wrap; gap: 4px; }
.sd-nav-link {
  color: #dbe4ee; padding: 6px 10px; border-radius: 8px; font-size: .92rem;
}
.sd-nav-link.is-active, .sd-nav-link:hover { background: rgba(255,255,255,.12); color: #fff; text-decoration: none; }
.sd-nav-actions { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.sd-nav-user { color: #dbe4ee; font-size: .9rem; max-width: 160px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.sd-main { max-width: 1200px; margin: 0 auto; padding: var(--sd-space-lg) 14px 48px; width: 100%; }
.sd-page-title { display: flex; align-items: baseline; gap: var(--sd-space); margin-bottom: var(--sd-space); }
.sd-page-title p { margin: 0; color: var(--sd-ink-soft); }

/* ---------- Cards & sections ---------- */
.sd-card {
  background: var(--sd-surface); border: 1px solid var(--sd-line);
  border-radius: var(--sd-radius); padding: var(--sd-space-lg);
  box-shadow: var(--sd-shadow);
}
.sd-card + .sd-card { margin-top: var(--sd-space); }
.sd-card h2 { margin-bottom: var(--sd-space); }
.sd-grid { display: grid; gap: var(--sd-space); }
.sd-grid.cols-2 { grid-template-columns: 1fr; }
.sd-grid.cols-3 { grid-template-columns: 1fr; }
@media (min-width: 640px) {
  .sd-grid.cols-2 { grid-template-columns: 1fr 1fr; }
  .sd-grid.cols-3 { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 960px) {
  .sd-grid.cols-3 { grid-template-columns: 1fr 1fr 1fr; }
}

.sd-kpi { display: flex; flex-direction: column; gap: 4px; }
.sd-kpi-label { color: var(--sd-ink-soft); font-size: .85rem; text-transform: uppercase; letter-spacing: .5px; }
.sd-kpi-value { font-size: 1.5rem; font-weight: 700; }

/* ---------- Buttons & inputs ---------- */
.sd-btn {
  appearance: none; border: 1px solid var(--sd-line); background: var(--sd-surface);
  color: var(--sd-ink); padding: 8px 14px; border-radius: 8px; font: inherit;
  cursor: pointer; min-height: 36px;
}
.sd-btn:hover { background: #eef1f4; }
.sd-btn:disabled { opacity: .6; cursor: not-allowed; }
.sd-btn-primary { background: var(--sd-brand); border-color: var(--sd-brand); color: #fff; }
.sd-btn-primary:hover { background: var(--sd-brand-soft); }
.sd-btn-danger { background: var(--sd-danger); border-color: var(--sd-danger); color: #fff; }
.sd-btn-ghost { background: transparent; }
.sd-btn-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: var(--sd-space); }

.sd-field { display: flex; flex-direction: column; gap: 4px; margin-bottom: var(--sd-space); }
.sd-field label { font-size: .9rem; color: var(--sd-ink-soft); }
.sd-field input, .sd-field select, .sd-field textarea {
  font: inherit; padding: 8px 10px; min-height: 36px;
  border: 1px solid var(--sd-line); border-radius: 8px; background: #fff;
}
.sd-field input:focus, .sd-field select:focus, .sd-field textarea:focus {
  outline: 2px solid var(--sd-accent); outline-offset: 1px;
}
.sd-field-error { color: var(--sd-danger); font-size: .82rem; }

/* ---------- Tables ---------- */
.sd-table-wrap { overflow-x: auto; }
.sd-table { width: 100%; border-collapse: collapse; font-size: .94rem; }
.sd-table th, .sd-table td { padding: 8px 10px; border-bottom: 1px solid var(--sd-line); text-align: left; vertical-align: top; }
.sd-table th { background: #f1f3f6; font-weight: 600; font-size: .85rem; }
.sd-table tr:hover td { background: #fafbfc; }
.sd-badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: .78rem; background: #eef1f4; color: var(--sd-ink-soft); }
.sd-badge.ok { background: #e6f3ec; color: var(--sd-ok); }
.sd-badge.warn { background: #fbf1de; color: var(--sd-warn); }
.sd-badge.danger { background: #fbeaea; color: var(--sd-danger); }

/* ---------- Messages ---------- */
.sd-error {
  background: #fbeaea; color: var(--sd-danger); border: 1px solid #f0caca;
  padding: 10px 12px; border-radius: 8px; margin-bottom: var(--sd-space);
}
.sd-success {
  background: #e6f3ec; color: var(--sd-ok); border: 1px solid #cfe6d8;
  padding: 10px 12px; border-radius: 8px; margin-bottom: var(--sd-space);
}
.sd-muted { color: var(--sd-ink-soft); }
.sd-empty { padding: 24px; text-align: center; color: var(--sd-ink-soft); }

.sd-pager { display: flex; align-items: center; gap: 10px; margin-top: var(--sd-space); flex-wrap: wrap; }
.sd-pager-info { color: var(--sd-ink-soft); font-size: .9rem; }

/* ---------- Tabs ---------- */
.sd-tabs { display: flex; flex-wrap: wrap; gap: 4px; border-bottom: 1px solid var(--sd-line); margin-bottom: var(--sd-space); }
.sd-tab {
  appearance: none; background: transparent; border: 0; padding: 10px 14px; font: inherit;
  color: var(--sd-ink-soft); cursor: pointer; border-bottom: 2px solid transparent;
}
.sd-tab.is-active { color: var(--sd-ink); border-bottom-color: var(--sd-accent); }
.sd-tab:hover { color: var(--sd-ink); }

/* ---------- Modal (lightweight, no framework) ---------- */
.sd-modal-backdrop {
  position: fixed; inset: 0; background: rgba(15,31,46,.45); z-index: 40;
  display: flex; align-items: flex-start; justify-content: center; padding: 24px 12px;
  overflow-y: auto;
}
.sd-modal {
  background: var(--sd-surface); border-radius: var(--sd-radius); width: 100%; max-width: 560px;
  box-shadow: 0 10px 40px rgba(15,31,46,.2); padding: var(--sd-space-lg);
  position: relative;
}
.sd-modal h2 { margin-top: 0; }
.sd-modal-close {
  position: absolute; top: 8px; right: 10px; background: transparent; border: 0;
  font-size: 1.4rem; cursor: pointer; color: var(--sd-ink-soft);
}

/* ---------- Login page ---------- */
.sd-auth-wrap { max-width: 400px; margin: 10vh auto 0; padding: 0 16px; }
.sd-auth-card { background: var(--sd-surface); border-radius: var(--sd-radius); box-shadow: var(--sd-shadow); padding: var(--sd-space-lg); border: 1px solid var(--sd-line); }
.sd-auth-title { text-align: center; margin-bottom: var(--sd-space-lg); }
.sd-auth-title h1 { font-size: 1.3rem; margin-bottom: 4px; }
.sd-auth-title p { margin: 0; color: var(--sd-ink-soft); font-size: .92rem; }

/* ---------- Attendance widget ---------- */
.sd-att-widget { display: flex; flex-direction: column; gap: var(--sd-space); }
.sd-att-status { display: flex; gap: var(--sd-space-lg); flex-wrap: wrap; align-items: center; }
.sd-att-times { font-size: 1.1rem; }
.sd-att-times strong { display: block; font-size: .78rem; text-transform: uppercase; color: var(--sd-ink-soft); letter-spacing: .5px; }

/* ---------- Task board ---------- */
.sd-task-list { display: flex; flex-direction: column; gap: 8px; }
.sd-task {
  border: 1px solid var(--sd-line); border-radius: 8px; padding: 10px 12px;
  background: #fff; display: flex; flex-direction: column; gap: 4px;
}
.sd-task-head { display: flex; justify-content: space-between; gap: 8px; align-items: baseline; }
.sd-task-title { font-weight: 600; }
.sd-task-meta { color: var(--sd-ink-soft); font-size: .85rem; display: flex; gap: 10px; flex-wrap: wrap; }

/* ---------- Busy state ---------- */
.is-busy { position: relative; pointer-events: none; opacity: .85; }
.is-busy::after {
  content: ""; position: absolute; right: 8px; top: 8px;
  width: 14px; height: 14px; border-radius: 50%;
  border: 2px solid rgba(15,31,46,.2); border-top-color: var(--sd-brand);
  animation: sd-spin .8s linear infinite;
}
@keyframes sd-spin { to { transform: rotate(360deg); } }

/* ---------- Install hints ---------- */
.sd-ios-hint { font-size: .85rem; color: var(--sd-ink-soft); margin-top: 8px; }

/* ---------- Print ---------- */
@media print {
  .sd-nav, .sd-btn, #sd-install { display: none !important; }
  body { background: #fff; }
  .sd-card { box-shadow: none; border: 1px solid #ccc; }
}