/* ═══════════════════════════════════════════════════════════════════
   SchoolSafe Admin — Design System CSS (Professional Polish)
   ═══════════════════════════════════════════════════════════════════ */

:root {
  --ss-primary: #0B7BFF;
  --ss-primary-dark: #0057D9;
  --ss-primary-light: #E8F2FF;
  --ss-navy: #071B4D;
  --ss-text: #1B2B55;
  --ss-muted: #5A6B85;
  --ss-bg: #F6FAFF;
  --ss-card: #FFFFFF;
  --ss-border: #DDE8F6;
  --ss-success: #34C759;
  --ss-success-bg: #EAF8EE;
  --ss-danger: #FF4D3D;
  --ss-danger-bg: #FFF0ED;
  --ss-warning: #F5A623;
  --ss-warning-bg: #FFF7E6;
  --ss-info: #0B7BFF;
  --ss-info-bg: #EAF4FF;
  --ss-radius-lg: 20px;
  --ss-radius-md: 14px;
  --ss-radius-sm: 8px;
  --ss-shadow-card: 0 4px 20px rgba(7, 27, 77, 0.06);
  --ss-shadow-soft: 0 2px 12px rgba(7, 27, 77, 0.04);
  --ss-sidebar-width: 250px;
  --ss-header-height: 64px;
  --ss-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ─── Reset & Base ─────────────────────────────────────────────── */

html { font-size: 14px; min-height: 100%; }

body {
  font-family: var(--ss-font);
  background: var(--ss-bg);
  color: var(--ss-text);
  margin: 0; padding: 0;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
}

a { color: var(--ss-primary); text-decoration: none; transition: color 0.15s; }
a:hover { color: var(--ss-primary-dark); }

/* ─── Layout ───────────────────────────────────────────────────── */

.ss-wrapper { display: flex; min-height: 100vh; }

/* ─── Sidebar ──────────────────────────────────────────────────── */

.ss-sidebar {
  width: var(--ss-sidebar-width);
  background: var(--ss-card);
  border-right: 1px solid var(--ss-border);
  display: flex; flex-direction: column;
  position: fixed; top: 0; left: 0; bottom: 0;
  z-index: 1040; transition: transform 0.3s ease;
  overflow-y: auto;
}

.ss-sidebar-brand {
  padding: 20px 18px;
  display: flex; align-items: center; gap: 10px;
  border-bottom: 1px solid var(--ss-border);
}

.ss-sidebar-brand img { flex-shrink: 0; }

.ss-sidebar-brand .ss-brand-text {
  font-size: 15px; font-weight: 700; color: var(--ss-navy);
  letter-spacing: -0.3px;
}

.ss-sidebar-nav {
  flex: 1; padding: 14px 10px;
  list-style: none; margin: 0;
}

.ss-sidebar-nav .ss-nav-item { margin-bottom: 2px; }

.ss-sidebar-nav .ss-nav-link {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px; border-radius: var(--ss-radius-sm);
  color: var(--ss-muted); font-size: 13px; font-weight: 500;
  transition: all 0.15s ease;
  border-left: 3px solid transparent;
}

.ss-sidebar-nav .ss-nav-link:hover {
  background: var(--ss-bg); color: var(--ss-primary);
}

.ss-sidebar-nav .ss-nav-link.active {
  background: var(--ss-primary-light);
  color: var(--ss-primary);
  font-weight: 600;
  border-left-color: var(--ss-primary);
  border-radius: 0 var(--ss-radius-sm) var(--ss-radius-sm) 0;
}

.ss-sidebar-footer {
  padding: 14px; border-top: 1px solid var(--ss-border);
}

.ss-system-status {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: var(--ss-radius-sm);
  background: var(--ss-bg);
}

.ss-system-status .ss-status-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--ss-success); flex-shrink: 0;
}

.ss-system-status .ss-status-title { font-size: 12px; font-weight: 600; color: var(--ss-navy); }
.ss-system-status .ss-status-text { font-size: 11px; color: var(--ss-muted); }

/* ─── Main ─────────────────────────────────────────────────────── */

.ss-main {
  flex: 1; margin-left: var(--ss-sidebar-width);
  display: flex; flex-direction: column; min-height: 100vh;
}

/* ─── Header ───────────────────────────────────────────────────── */

.ss-header {
  height: var(--ss-header-height);
  background: var(--ss-card);
  border-bottom: 1px solid var(--ss-border);
  display: flex; align-items: center;
  padding: 0 24px;
  position: sticky; top: 0; z-index: 1030;
  box-shadow: 0 1px 4px rgba(7, 27, 77, 0.03);
}

.ss-header-toggle {
  display: none; background: none; border: none;
  padding: 6px; margin-right: 12px; cursor: pointer; color: var(--ss-text);
}

.ss-header-search { flex: 1; max-width: 360px; position: relative; }

.ss-header-search .ss-search-input {
  width: 100%; padding: 8px 14px 8px 36px;
  border: 1px solid var(--ss-border); border-radius: 50px;
  background: var(--ss-bg); font-size: 13px; color: var(--ss-text);
  transition: border-color 0.2s, box-shadow 0.2s;
  box-shadow: inset 0 1px 2px rgba(7, 27, 77, 0.04);
}

.ss-header-search .ss-search-input:focus {
  outline: none; border-color: var(--ss-primary);
  box-shadow: 0 0 0 3px rgba(11, 123, 255, 0.08);
}

.ss-header-search .ss-search-icon {
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  color: var(--ss-muted); pointer-events: none; font-size: 14px;
}

.ss-header-actions { display: flex; align-items: center; gap: 12px; margin-left: auto; }

.ss-header-actions .ss-notif-btn {
  width: 36px; height: 36px; border-radius: 50%;
  border: 1px solid var(--ss-border); background: var(--ss-bg);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; color: var(--ss-muted); transition: all 0.15s;
}

.ss-header-actions .ss-notif-btn:hover { border-color: var(--ss-primary); color: var(--ss-primary); }

.ss-header-user {
  display: flex; align-items: center; gap: 10px;
  cursor: pointer; padding: 5px 10px; border-radius: 50px;
  transition: background 0.15s;
  border-left: 1px solid var(--ss-border);
  margin-left: 4px; padding-left: 16px;
}

.ss-header-user:hover { background: var(--ss-bg); }

.ss-header-user .ss-avatar-img {
  width: 34px; height: 34px; border-radius: 50%;
  object-fit: cover; border: 2px solid var(--ss-border);
}

.ss-header-user .ss-user-meta { text-align: left; }
.ss-header-user .ss-user-meta .ss-name { font-size: 13px; font-weight: 600; color: var(--ss-text); }
.ss-header-user .ss-user-meta .ss-role { font-size: 11px; color: var(--ss-muted); }

.ss-dropdown {
  border-radius: var(--ss-radius-sm); border: 1px solid var(--ss-border);
  box-shadow: var(--ss-shadow-card); margin-top: 8px;
}

/* ─── Content ──────────────────────────────────────────────────── */

.ss-content { flex: 1; padding: 24px; }

.ss-page-header { margin-bottom: 20px; }
.ss-page-header h1 { font-size: 22px; font-weight: 700; color: var(--ss-navy); margin: 0 0 4px; letter-spacing: -0.3px; }
.ss-page-header p { font-size: 13px; color: var(--ss-muted); margin: 0; }

/* ─── Cards ────────────────────────────────────────────────────── */

.ss-card {
  background: var(--ss-card); border-radius: var(--ss-radius-md);
  box-shadow: var(--ss-shadow-card); border: 1px solid var(--ss-border);
  padding: 20px; margin-bottom: 16px;
}

.ss-card-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--ss-border);
}

.ss-card-header h2, .ss-card-header h3 {
  font-size: 15px; font-weight: 600; color: var(--ss-navy); margin: 0;
}

.ss-card-sm { border-radius: var(--ss-radius-sm); padding: 14px; }

/* ─── Stat Cards ───────────────────────────────────────────────── */

.ss-stat-card {
  background: var(--ss-card); border-radius: var(--ss-radius-md);
  box-shadow: var(--ss-shadow-soft); border: 1px solid var(--ss-border);
  padding: 16px 20px; display: flex; align-items: center; gap: 14px;
  transition: transform 0.15s, box-shadow 0.15s;
}

.ss-stat-card:hover { transform: translateY(-1px); box-shadow: var(--ss-shadow-card); }

.ss-stat-card .ss-stat-icon {
  width: 44px; height: 44px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; flex-shrink: 0;
}

.ss-stat-card .ss-stat-icon.blue { background: var(--ss-info-bg); color: var(--ss-primary); }
.ss-stat-card .ss-stat-icon.green { background: var(--ss-success-bg); color: var(--ss-success); }
.ss-stat-card .ss-stat-icon.orange { background: var(--ss-warning-bg); color: var(--ss-warning); }
.ss-stat-card .ss-stat-icon.red { background: var(--ss-danger-bg); color: var(--ss-danger); }

.ss-stat-card .ss-stat-value { font-size: 22px; font-weight: 700; color: var(--ss-navy); line-height: 1.2; }
.ss-stat-card .ss-stat-label { font-size: 12px; color: var(--ss-muted); margin-top: 2px; }
.ss-stat-card .ss-stat-change { font-size: 11px; margin-top: 2px; }
.ss-stat-card .ss-stat-change.positive { color: var(--ss-success); }
.ss-stat-card .ss-stat-change.negative { color: var(--ss-danger); }

/* ─── Tables ───────────────────────────────────────────────────── */

.ss-table-card {
  background: var(--ss-card); border-radius: var(--ss-radius-md);
  box-shadow: var(--ss-shadow-card); border: 1px solid var(--ss-border);
  overflow: hidden;
}

.ss-table-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 20px; gap: 12px; flex-wrap: wrap;
  border-bottom: 1px solid var(--ss-border);
}

.ss-table { width: 100%; border-collapse: collapse; }

.ss-table thead th {
  padding: 10px 16px; font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.4px;
  color: var(--ss-navy); background: var(--ss-bg);
  border-bottom: 2px solid var(--ss-border); white-space: nowrap;
}

.ss-table tbody td {
  padding: 12px 16px; font-size: 13px; color: var(--ss-text);
  border-bottom: 1px solid var(--ss-border); vertical-align: middle;
}

.ss-table tbody tr:last-child td { border-bottom: none; }
.ss-table tbody tr:nth-child(even) { background: rgba(246, 250, 255, 0.5); }
.ss-table tbody tr:hover { background: rgba(11, 123, 255, 0.03); }

.ss-table-footer {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 20px; border-top: 1px solid var(--ss-border);
  font-size: 12px; color: var(--ss-muted);
}

/* ─── Badges ───────────────────────────────────────────────────── */

.ss-badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 4px 10px; border-radius: 50px;
  font-size: 12px; font-weight: 600; white-space: nowrap;
}

.ss-badge-success { background: var(--ss-success-bg); color: #1B8A3E; }
.ss-badge-danger { background: var(--ss-danger-bg); color: #CC2D1F; }
.ss-badge-warning { background: var(--ss-warning-bg); color: #9A6B0B; }
.ss-badge-info { background: var(--ss-info-bg); color: var(--ss-primary); }
.ss-badge-muted { background: #F0F2F5; color: var(--ss-muted); }

/* ─── Buttons ──────────────────────────────────────────────────── */

.ss-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px; border-radius: var(--ss-radius-sm);
  font-size: 13px; font-weight: 600; border: none;
  cursor: pointer; transition: all 0.15s ease;
  text-decoration: none; white-space: nowrap;
  justify-content: center;
}

.ss-btn-primary {
  background: var(--ss-primary); color: #fff;
  box-shadow: 0 2px 8px rgba(11, 123, 255, 0.2);
}
.ss-btn-primary:hover {
  background: var(--ss-primary-dark); color: #fff;
  box-shadow: 0 4px 12px rgba(11, 123, 255, 0.3); transform: translateY(-1px);
}

.ss-btn-secondary {
  background: var(--ss-card); color: var(--ss-primary);
  border: 1px solid var(--ss-border);
}
.ss-btn-secondary:hover { background: var(--ss-primary-light); border-color: var(--ss-primary); }

.ss-btn-danger {
  background: var(--ss-card); color: var(--ss-danger);
  border: 1px solid var(--ss-danger);
}
.ss-btn-danger:hover { background: var(--ss-danger-bg); }

.ss-btn-sm { padding: 6px 12px; font-size: 12px; }

/* ─── Action Icons ─────────────────────────────────────────────── */

.ss-action-icon {
  width: 30px; height: 30px; border-radius: 6px;
  border: 1px solid var(--ss-border); background: var(--ss-card);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--ss-primary); cursor: pointer; transition: all 0.15s;
  font-size: 13px; text-decoration: none;
}

.ss-action-icon:hover {
  background: var(--ss-primary-light); border-color: var(--ss-primary);
}

/* ─── Forms ────────────────────────────────────────────────────── */

.ss-form-group { margin-bottom: 14px; }

.ss-form-label {
  display: block; font-size: 12px; font-weight: 600;
  color: var(--ss-text); margin-bottom: 5px;
  letter-spacing: 0.3px;
}

.ss-form-control {
  width: 100%; padding: 9px 12px;
  border: 1px solid var(--ss-border); border-radius: var(--ss-radius-sm);
  font-size: 13px; color: var(--ss-text); background: var(--ss-card);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.ss-form-control:focus {
  outline: none; border-color: var(--ss-primary);
  box-shadow: 0 0 0 3px rgba(11, 123, 255, 0.08);
}

.ss-form-select {
  appearance: none; padding-right: 32px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%235A6B85' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 10px center;
}

/* ─── Filter Select ────────────────────────────────────────────── */

.ss-filter-select {
  padding: 7px 28px 7px 10px; border: 1px solid var(--ss-border);
  border-radius: 6px; font-size: 12px; color: var(--ss-text);
  background: var(--ss-card); cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%235A6B85' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 8px center;
}

.ss-filter-select:focus { outline: none; border-color: var(--ss-primary); }

/* ─── Sortable Headers ─────────────────────────────────────────── */

.ss-sortable { cursor: pointer; user-select: none; }
.ss-sortable:hover { color: var(--ss-primary); }

/* ─── Pagination ───────────────────────────────────────────────── */

.ss-pagination { display: flex; gap: 4px; }

.ss-pagination .ss-page-btn {
  width: 30px; height: 30px; border-radius: 6px;
  border: 1px solid var(--ss-border); background: var(--ss-card);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 500; color: var(--ss-text);
  cursor: pointer; transition: all 0.15s;
}

.ss-pagination .ss-page-btn:hover:not(.disabled) { border-color: var(--ss-primary); color: var(--ss-primary); }
.ss-pagination .ss-page-btn.active { background: var(--ss-primary); border-color: var(--ss-primary); color: #fff; }
.ss-pagination .ss-page-btn.disabled { opacity: 0.4; cursor: not-allowed; }

/* ─── Alerts ───────────────────────────────────────────────────── */

.ss-alert { border-radius: var(--ss-radius-sm); padding: 12px 16px; font-size: 13px; border: none; }
.ss-alert-success { background: var(--ss-success-bg); color: #1B8A3E; }
.ss-alert-danger { background: var(--ss-danger-bg); color: #CC2D1F; }
.ss-alert-warning { background: var(--ss-warning-bg); color: #9A6B0B; }
.ss-alert-info { background: var(--ss-info-bg); color: var(--ss-primary); }

/* ─── Footer ───────────────────────────────────────────────────── */

.ss-footer { text-align: center; }

.ss-footer-branding {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  padding: 14px 24px;
}

.ss-footer-branding .ss-fb-logo {
  display: flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 700; color: var(--ss-navy);
}

.ss-footer-branding .ss-fb-tagline { font-size: 11px; color: var(--ss-muted); }
.ss-footer-branding .ss-fb-copy { font-size: 10px; color: var(--ss-muted); }

/* ─── Toast ────────────────────────────────────────────────────── */

.ss-toast-container {
  position: fixed; bottom: 20px; left: 20px; z-index: 1090;
  display: flex; flex-direction: column-reverse; gap: 8px;
}

.ss-toast {
  background: rgba(7, 27, 77, 0.85); border-radius: var(--ss-radius-sm);
  box-shadow: 0 8px 24px rgba(7, 27, 77, 0.15);
  padding: 12px 18px; display: flex; align-items: center; gap: 10px;
  min-width: 300px; max-width: 400px;
  border-left: 4px solid var(--ss-primary);
  animation: ss-toast-in 0.3s ease; color: #fff;
}

.ss-toast.success { border-left-color: var(--ss-success); background: rgba(27, 94, 32, 0.85); }
.ss-toast.danger { border-left-color: var(--ss-danger); background: rgba(127, 29, 29, 0.85); }
.ss-toast.warning { border-left-color: var(--ss-warning); background: rgba(92, 61, 14, 0.85); }

.ss-toast .ss-toast-msg { flex: 1; font-size: 13px; color: #fff; }
.ss-toast .ss-toast-close { background: none; border: none; cursor: pointer; color: rgba(255,255,255,0.7); font-size: 16px; padding: 0 2px; }
.ss-toast .ss-toast-close:hover { color: #fff; }

@keyframes ss-toast-in { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes ss-toast-out { from { opacity: 1; transform: translateY(0); } to { opacity: 0; transform: translateY(20px); } }

/* ─── Mini Stats (School Details) ──────────────────────────────── */

.ss-mini-stat { border: 1px solid var(--ss-border); border-radius: 10px; padding: 12px; text-align: center; min-width: 80px; }
.ss-mini-stat-value { font-size: 18px; font-weight: 700; color: var(--ss-navy); }
.ss-mini-stat-label { font-size: 10px; color: var(--ss-muted); margin-top: 2px; text-transform: uppercase; letter-spacing: 0.3px; }

/* ─── Tabs (School Details) ────────────────────────────────────── */

.ss-tabs .nav-link { font-size: 13px; font-weight: 500; color: var(--ss-muted); border: none; padding: 8px 14px; }
.ss-tabs .nav-link.active { color: var(--ss-primary); border-bottom: 2px solid var(--ss-primary); font-weight: 600; }

/* ─── Dashboard ────────────────────────────────────────────────── */

.ss-welcome-banner { margin-bottom: 20px; padding: 20px 0; }

.ss-chart-placeholder {
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; min-height: 180px; color: var(--ss-muted);
}

.ss-view-all { font-size: 12px; font-weight: 500; color: var(--ss-primary); }
.ss-view-all:hover { color: var(--ss-primary-dark); }

.ss-empty-table {
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; padding: 36px 20px;
  color: var(--ss-muted); font-size: 13px;
}

.ss-health-strip {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px; padding: 20px;
  background: var(--ss-card); border-radius: var(--ss-radius-md);
  border: 1px solid var(--ss-border); box-shadow: var(--ss-shadow-soft);
  margin-bottom: 16px;
}

.ss-health-item { display: flex; align-items: center; gap: 10px; }

.ss-health-item .ss-health-icon {
  width: 36px; height: 36px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; font-size: 16px;
}

.ss-health-item .ss-health-icon.blue { background: var(--ss-info-bg); color: var(--ss-primary); }
.ss-health-item .ss-health-icon.green { background: var(--ss-success-bg); color: var(--ss-success); }
.ss-health-item .ss-health-icon.orange { background: var(--ss-warning-bg); color: var(--ss-warning); }

.ss-health-item .ss-health-value { font-size: 16px; font-weight: 700; color: var(--ss-navy); }
.ss-health-item .ss-health-label { font-size: 11px; color: var(--ss-text); }
.ss-health-item .ss-health-sub { font-size: 10px; color: var(--ss-muted); }

/* ─── Responsive ───────────────────────────────────────────────── */

@media (max-width: 991.98px) {
  .ss-sidebar { transform: translateX(-100%); }
  .ss-sidebar.show { transform: translateX(0); }
  .ss-main { margin-left: 0; }
  .ss-header-toggle { display: block; }
  .ss-sidebar-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.4); z-index: 1035; }
  .ss-sidebar-overlay.show { display: block; }

  /* Tables: horizontal scroll on smaller screens */
  .ss-table-card { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .ss-table { min-width: 600px; }
  .ss-table thead th { padding: 8px 10px; font-size: 10px; }
  .ss-table tbody td { padding: 10px; font-size: 12px; }

  /* Table footer wraps */
  .ss-table-footer { flex-wrap: wrap; gap: 8px; padding: 10px 14px; }

  /* Cards padding reduction */
  .ss-card { padding: 14px; }
  .ss-stat-card { padding: 14px; }
}

@media (max-width: 767.98px) {
  .ss-main { padding: 16px 12px; }
  .ss-header { padding: 10px 12px; }

  .ss-page-header h1 { font-size: 20px; }
  .ss-page-header p { font-size: 12px; }

  .ss-stat-card { padding: 12px; }
  .ss-stat-card .ss-stat-value { font-size: 18px; }
  .ss-stat-card .ss-stat-label { font-size: 11px; }
  .ss-stat-card .ss-stat-icon { font-size: 20px; }

  .ss-table { min-width: 500px; }
  .ss-table thead th { padding: 6px 8px; }
  .ss-table tbody td { padding: 8px; font-size: 12px; }

  .ss-btn { font-size: 12px; padding: 6px 12px; }
  .ss-btn-sm { font-size: 11px; padding: 4px 8px; }
}

/* ─── Utilities ────────────────────────────────────────────────── */

.ss-text-muted { color: var(--ss-muted); }
.ss-text-navy { color: var(--ss-navy); }
.ss-text-primary { color: var(--ss-primary); }