/* DigiSeva ZP Buldhana — shared design system */

:root {
  --navy: #0a2c5c;
  --navy-dark: #071c3d;
  --navy-light: #12437f;
  --saffron: #ff9933;
  --saffron-dark: #e8811f;
  --green: #0f8a3f;
  --green-dark: #0c6e32;
  --bg: #f4f6fb;
  --card: #ffffff;
  --text: #1f2430;
  --muted: #6b7280;
  --border: #e6eaf2;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 10px rgba(15, 23, 42, .06);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, .10);
  --shadow-lg: 0 20px 48px rgba(15, 23, 42, .16);
}

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

body {
  font-family: 'Noto Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .heading-font {
  font-family: 'Poppins', 'Noto Sans', sans-serif;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header ---------- */
header.site-header {
  position: relative;
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 55%, var(--navy-light) 100%);
  color: #fff;
  padding: 26px 0;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,.15);
}

header.site-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 90% -10%, rgba(255,153,51,.25), transparent 45%),
    radial-gradient(circle at 5% 120%, rgba(15,138,63,.25), transparent 45%);
  pointer-events: none;
}

.header-content {
  position: relative;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.emblem {
  width: 76px;
  height: 76px;
  flex-shrink: 0;
  background: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  color: var(--navy);
  font-weight: 700;
  text-align: center;
  padding: 6px;
  box-shadow: 0 6px 18px rgba(0,0,0,.25), 0 0 0 4px rgba(255,255,255,.15);
  font-family: 'Poppins', sans-serif;
}

.header-text h1 {
  font-size: 1.9em;
  font-weight: 700;
  letter-spacing: -.01em;
}

.header-text .sub {
  font-size: .98em;
  opacity: .92;
  margin-top: 4px;
  font-weight: 500;
}

/* ---------- Nav ---------- */
nav.site-nav {
  background: linear-gradient(90deg, var(--saffron-dark), var(--saffron));
  padding: 10px 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(0,0,0,.12);
}

nav.site-nav ul {
  list-style: none;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

nav.site-nav a {
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: .95em;
  padding: 8px 16px;
  border-radius: 999px;
  transition: background .2s ease, transform .15s ease;
  display: inline-block;
}

nav.site-nav a:hover {
  background: rgba(255,255,255,.22);
  transform: translateY(-1px);
}

nav.site-nav a.active {
  background: rgba(10,30,60,.28);
  box-shadow: inset 0 0 0 1.5px rgba(255,255,255,.5);
}

.admin-link {
  background: rgba(0,0,0,.22) !important;
  font-size: .85em !important;
  margin-left: auto;
}

.admin-link:hover { background: rgba(0,0,0,.38) !important; }

/* ---------- Buttons ---------- */
.btn {
  background: linear-gradient(135deg, var(--navy-light), var(--navy));
  color: #fff;
  border: none;
  padding: 9px 20px;
  border-radius: 999px;
  cursor: pointer;
  font-size: .9em;
  font-weight: 600;
  font-family: inherit;
  box-shadow: var(--shadow-sm);
  transition: transform .15s ease, box-shadow .15s ease, background .2s ease;
}

.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn.secondary { background: linear-gradient(135deg, #8a8f9a, #6b7280); }
.btn.active { background: linear-gradient(135deg, var(--green), var(--green-dark)); }

/* ---------- Cards ---------- */
.card, .panel, .stat-card, .chip, .session-card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

/* ---------- Tables ---------- */
table { width: 100%; border-collapse: collapse; font-size: .9em; }
th {
  background: var(--navy);
  color: #fff;
  padding: 10px 14px;
  text-align: left;
  font-weight: 600;
}
th:first-child { border-top-left-radius: var(--radius-sm); }
th:last-child { border-top-right-radius: var(--radius-sm); }
td { padding: 9px 14px; border-bottom: 1px solid var(--border); }
tr:nth-child(even) td { background: #fafbfd; }
tr:hover td { background: #f0f4fb; }

/* ---------- Footer ---------- */
footer.site-footer {
  background: var(--navy-dark);
  color: #fff;
  text-align: center;
  padding: 34px 0 20px;
  margin-top: 48px;
  position: relative;
}

footer.site-footer::before {
  content: '';
  display: block;
  height: 4px;
  width: 100%;
  position: absolute;
  top: 0; left: 0;
  background: linear-gradient(90deg, var(--saffron), #fff, var(--green));
}

footer.site-footer a { color: #fff; opacity: .85; text-decoration: none; }
footer.site-footer a:hover { opacity: 1; text-decoration: underline; }

/* ---------- Utility ---------- */
.loading, .empty, .no-logs {
  text-align: center;
  padding: 48px;
  color: var(--muted);
  font-size: 1.05em;
}

.fade-up {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .6s ease, transform .6s ease;
}
.fade-up.in-view { opacity: 1; transform: none; }

@media (max-width: 768px) {
  .header-text h1 { font-size: 1.5em; }
  nav.site-nav ul { gap: 4px; justify-content: center; }
  nav.site-nav a { padding: 7px 12px; font-size: .88em; }
  .admin-link { margin-left: 0; }
}

/* ---------- Admin nav: user + logout ---------- */
nav.site-nav .nav-user { margin-left: auto; }
nav.site-nav .nav-logout { margin: 0; }
nav.site-nav .nav-logout button {
  background: rgba(0,0,0,.22);
  color: #fff;
  border: none;
  font: inherit;
  font-weight: 600;
  font-size: .95em;
  padding: 8px 16px;
  border-radius: 999px;
  cursor: pointer;
  transition: background .2s ease;
}
nav.site-nav .nav-logout button:hover { background: rgba(0,0,0,.38); }
@media (max-width: 768px) {
  nav.site-nav .nav-user { margin-left: 0; }
  nav.site-nav .nav-logout button { padding: 7px 12px; font-size: .88em; }
}