:root {
  --bg: #f4f7f5;
  --surface: #ffffff;
  --text: #1a2e24;
  --muted: #5a6f64;
  --primary: #0d6b4c;
  --primary-dark: #095239;
  --primary-soft: #e6f4ee;
  --accent: #c9a227;
  --danger: #b42318;
  --warn: #b54708;
  --info: #175cd3;
  --success: #027a48;
  --border: #d8e3dc;
  --shadow: 0 8px 24px rgba(13, 107, 76, 0.08);
  --radius: 14px;
  --font: "Segoe UI", "Tahoma", "Arial", sans-serif;
}

* { box-sizing: border-box; }
html { font-size: 16px; }
body {
  margin: 0;
  font-family: var(--font);
  background: linear-gradient(180deg, #eef6f1 0%, var(--bg) 220px);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.app-shell { display: flex; min-height: 100vh; }
.sidebar {
  width: 260px;
  background: linear-gradient(180deg, #0d6b4c, #084833);
  color: #fff;
  padding: 1.25rem 1rem 2rem;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  flex-shrink: 0;
}
.brand {
  display: flex; align-items: center; gap: .75rem;
  padding: .5rem .75rem 1.25rem;
  border-bottom: 1px solid rgba(255,255,255,.15);
  margin-bottom: 1rem;
}
.brand-mark {
  width: 42px; height: 42px; border-radius: 12px;
  background: rgba(255,255,255,.15);
  display: grid; place-items: center;
  font-weight: 700; font-size: 1.2rem;
}
.brand h1 { margin: 0; font-size: 1.1rem; font-weight: 700; }
.brand small { opacity: .8; font-size: .75rem; display: block; }
.nav a {
  display: flex; align-items: center; gap: .6rem;
  color: rgba(255,255,255,.92);
  padding: .7rem .85rem;
  border-radius: 10px;
  margin-bottom: .25rem;
  text-decoration: none;
  font-weight: 500;
}
.nav a:hover, .nav a.active {
  background: rgba(255,255,255,.14);
  text-decoration: none;
}
.nav .nav-section {
  margin: 1rem .85rem .4rem;
  font-size: .72rem;
  letter-spacing: .04em;
  opacity: .65;
  text-transform: uppercase;
}

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  gap: 1rem; padding: 1rem 1.5rem; background: rgba(255,255,255,.8);
  backdrop-filter: blur(8px); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 20;
}
.topbar-title { margin: 0; font-size: 1.25rem; }
.topbar-actions { display: flex; align-items: center; gap: .75rem; flex-wrap: wrap; }
.user-chip {
  background: var(--primary-soft); color: var(--primary-dark);
  padding: .35rem .75rem; border-radius: 999px; font-size: .9rem; font-weight: 600;
}
.badge-count {
  background: #f04438; color: #fff; border-radius: 999px;
  padding: 0 .45rem; font-size: .75rem; margin-inline-start: .25rem;
}
.content { padding: 1.25rem 1.5rem 2.5rem; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.2rem;
  box-shadow: var(--shadow);
}
.card h3 { margin: 0 0 .35rem; font-size: .9rem; color: var(--muted); font-weight: 600; }
.card .value { font-size: 1.8rem; font-weight: 800; color: var(--primary-dark); }
.card.stat-present .value { color: var(--success); }
.card.stat-absent .value { color: var(--danger); }
.card.stat-late .value { color: var(--warn); }

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 1.25rem;
  overflow: hidden;
}
.panel-header {
  display: flex; justify-content: space-between; align-items: center;
  gap: 1rem; flex-wrap: wrap;
  padding: 1rem 1.2rem;
  border-bottom: 1px solid var(--border);
  background: #fafcfb;
}
.panel-header h2 { margin: 0; font-size: 1.05rem; }
.panel-body { padding: 1.1rem 1.2rem; }

.table-wrap { overflow-x: auto; }
table.data {
  width: 100%; border-collapse: collapse; font-size: .95rem;
}
table.data th, table.data td {
  padding: .75rem .85rem; text-align: right;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
table.data th {
  background: #f3f8f5; color: var(--muted); font-weight: 700; font-size: .85rem;
}
table.data tr:hover td { background: #f8fbf9; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .35rem;
  border: none; border-radius: 10px; padding: .55rem 1rem;
  font: inherit; font-weight: 600; cursor: pointer;
  text-decoration: none; transition: .15s ease;
}
.btn:hover { text-decoration: none; filter: brightness(.96); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; }
.btn-secondary { background: #e8efeB; color: var(--text); }
.btn-danger { background: #fef3f2; color: var(--danger); border: 1px solid #fecdca; }
.btn-sm { padding: .35rem .7rem; font-size: .85rem; border-radius: 8px; }
.btn-ghost { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.35); }

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}
.form-group { display: flex; flex-direction: column; gap: .35rem; }
.form-group.full { grid-column: 1 / -1; }
label { font-weight: 600; font-size: .9rem; }
input[type=text], input[type=email], input[type=password], input[type=date],
input[type=number], input[type=tel], select, textarea {
  width: 100%; padding: .65rem .75rem; border: 1px solid var(--border);
  border-radius: 10px; font: inherit; background: #fff; color: var(--text);
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid rgba(13,107,76,.25); border-color: var(--primary);
}
textarea { min-height: 90px; resize: vertical; }
.form-actions { display: flex; gap: .75rem; flex-wrap: wrap; margin-top: 1rem; }
.help { color: var(--muted); font-size: .85rem; }

.alert {
  padding: .85rem 1rem; border-radius: 12px; margin-bottom: 1rem;
  font-weight: 600;
}
.alert-success { background: #ecfdf3; color: var(--success); border: 1px solid #abefc6; }
.alert-error { background: #fef3f2; color: var(--danger); border: 1px solid #fecdca; }
.alert-info { background: #eff8ff; color: var(--info); border: 1px solid #b2ddff; }

.badge {
  display: inline-block; padding: .2rem .55rem; border-radius: 999px;
  font-size: .8rem; font-weight: 700; background: #eef2f0; color: var(--muted);
}
.badge-success { background: #ecfdf3; color: var(--success); }
.badge-danger { background: #fef3f2; color: var(--danger); }
.badge-warn { background: #fffaeb; color: var(--warn); }
.badge-info { background: #eff8ff; color: var(--info); }

.empty {
  text-align: center; color: var(--muted); padding: 2rem 1rem;
}

/* Auth / guest */
.guest-body {
  min-height: 100vh; display: grid; place-items: center; padding: 1.5rem;
  background:
    radial-gradient(circle at top right, rgba(201,162,39,.18), transparent 40%),
    radial-gradient(circle at bottom left, rgba(13,107,76,.18), transparent 45%),
    var(--bg);
}
.login-card {
  width: min(420px, 100%);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2rem 1.5rem;
  box-shadow: var(--shadow);
}
.login-card .logo {
  text-align: center; margin-bottom: 1.5rem;
}
.login-card .logo .mark {
  width: 64px; height: 64px; margin: 0 auto .75rem;
  border-radius: 18px; background: var(--primary); color: #fff;
  display: grid; place-items: center; font-size: 1.6rem; font-weight: 800;
}
.login-card h1 { margin: 0; font-size: 1.4rem; }
.login-card p.sub { margin: .35rem 0 0; color: var(--muted); }

.filters {
  display: flex; flex-wrap: wrap; gap: .75rem; align-items: end;
  margin-bottom: 1rem;
}
.filters .form-group { min-width: 160px; }
.radio-row { display: flex; gap: .5rem; flex-wrap: wrap; }
.radio-pill {
  border: 1px solid var(--border); border-radius: 999px; padding: .35rem .7rem;
  background: #fff; cursor: pointer; font-size: .85rem;
}
.radio-pill input { margin-left: .35rem; }
.notif-item {
  padding: 1rem 0; border-bottom: 1px solid var(--border);
}
.notif-item:last-child { border-bottom: none; }
.notif-item.unread { background: #f6fbf8; margin: 0 -1.2rem; padding: 1rem 1.2rem; }
.notif-item h3 { margin: 0 0 .25rem; font-size: 1rem; }
.notif-item p { margin: 0; color: var(--muted); }
.notif-meta { font-size: .8rem; color: var(--muted); margin-top: .35rem; }

.mobile-toggle {
  display: none; border: none; background: var(--primary); color: #fff;
  border-radius: 10px; padding: .5rem .8rem; font: inherit; font-weight: 700;
}

@media (max-width: 900px) {
  .app-shell { flex-direction: column; }
  .sidebar {
    position: fixed; inset: 0 auto 0 0; /* LTR physical left in RTL becomes start? */
    inset-inline-start: 0; inset-block: 0;
    transform: translateX(110%);
    transition: transform .2s ease;
    z-index: 40; width: min(280px, 85vw);
  }
  html[dir=rtl] .sidebar { transform: translateX(-110%); }
  .sidebar.open { transform: translateX(0) !important; }
  .mobile-toggle { display: inline-flex; }
  .content, .topbar { padding-inline: 1rem; }
  .sidebar-backdrop {
    display: none; position: fixed; inset: 0; background: rgba(0,0,0,.35); z-index: 30;
  }
  .sidebar-backdrop.show { display: block; }
}