/* ============================================================
   RaaS World-Class Theme — Research Archive for African Students
   ============================================================ */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Poppins:wght@400;500;600;700;800&display=swap');

/* ── CSS Variables ── */
:root {
  --primary:       #1a56db;
  --primary-dark:  #1346b8;
  --primary-light: #dbeafe;
  --primary-glow:  rgba(26,86,219,.18);
  --secondary:     #f97316;
  --secondary-dark:#ea6c0a;
  --success:       #16a34a;
  --danger:        #dc2626;
  --warning:       #d97706;
  --info:          #0891b2;

  --sidebar-bg:    #0f172a;
  --sidebar-width: 260px;
  --header-h:      64px;
  --topbar-bg:     #ffffff;
  --body-bg:       #f1f5f9;
  --card-bg:       #ffffff;

  --text-primary:  #0f172a;
  --text-secondary:#475569;
  --text-muted:    #94a3b8;
  --border:        #e2e8f0;

  --radius-sm:     6px;
  --radius:        12px;
  --radius-lg:     18px;
  --shadow-sm:     0 1px 3px rgba(0,0,0,.08);
  --shadow:        0 4px 16px rgba(0,0,0,.10);
  --shadow-lg:     0 10px 40px rgba(0,0,0,.14);

  --font-main:     'Inter', 'Poppins', sans-serif;
  --transition:    .22s cubic-bezier(.4,0,.2,1);
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 15px; }
body {
  font-family: var(--font-main);
  background: var(--body-bg);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: #f1f5f9; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* ═══════════════════════════════════════════
   LAYOUT
═══════════════════════════════════════════ */
.raas-wrapper { display: flex; min-height: 100vh; }

/* ── Sidebar ── */
.raas-sidebar {
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  z-index: 200;
  transition: width var(--transition), transform var(--transition);
  overflow: hidden;
}

.sidebar-brand {
  padding: 20px 18px 16px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: var(--header-h);
}
.sidebar-brand img { width: 38px; height: 38px; border-radius: 10px; object-fit: contain; background:#1e2d4e; padding:4px; }
.sidebar-brand-text { color: #f8fafc; }
.sidebar-brand-text strong { display: block; font-size: .95rem; font-weight: 700; letter-spacing:.3px; }
.sidebar-brand-text span { font-size: .68rem; color: #94a3b8; letter-spacing:.5px; text-transform: uppercase; }

.sidebar-nav { flex: 1; overflow-y: auto; padding: 14px 10px; }
.sidebar-nav-section { margin-bottom: 8px; }
.sidebar-nav-label {
  font-size: .62rem;
  color: #475569;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  font-weight: 600;
  padding: 10px 10px 4px;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 9px;
  color: #94a3b8;
  font-size: .83rem;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  margin-bottom: 2px;
}
.sidebar-link:hover {
  background: rgba(255,255,255,.07);
  color: #f1f5f9;
}
.sidebar-link.active {
  background: linear-gradient(135deg, var(--primary), #3b82f6);
  color: #fff;
  box-shadow: 0 4px 12px rgba(26,86,219,.35);
}
.sidebar-link i { width: 20px; text-align: center; font-size: .95rem; flex-shrink: 0; }
.sidebar-link .badge {
  margin-left: auto;
  background: var(--secondary);
  color: #fff;
  font-size: .6rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 99px;
  min-width: 18px;
  text-align: center;
}

/* Dropdown */
.sidebar-dropdown-toggle .arrow {
  margin-left: auto;
  transition: transform var(--transition);
  font-size: .7rem;
  color: #64748b;
}
.sidebar-dropdown.open .arrow { transform: rotate(180deg); }
.sidebar-dropdown-menu {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
}
.sidebar-dropdown.open .sidebar-dropdown-menu { max-height: 500px; }
.sidebar-dropdown-menu .sidebar-link {
  padding-left: 36px;
  font-size: .8rem;
}

.sidebar-footer {
  padding: 14px 10px;
  border-top: 1px solid rgba(255,255,255,.08);
}
.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 9px;
  transition: background var(--transition);
}
.sidebar-user:hover { background: rgba(255,255,255,.07); }
.sidebar-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: .85rem; font-weight: 700;
  flex-shrink: 0;
}
.sidebar-user-info strong { display: block; color: #f1f5f9; font-size: .8rem; }
.sidebar-user-info span  { color: #64748b; font-size: .7rem; }

/* ── Main Content ── */
.raas-main {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: margin-left var(--transition);
}

/* ── Topbar ── */
.raas-topbar {
  height: var(--header-h);
  background: var(--topbar-bg);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 28px;
  position: sticky;
  top: 0; z-index: 100;
  gap: 14px;
  box-shadow: var(--shadow-sm);
}
.topbar-page-title { font-weight: 700; font-size: 1rem; color: var(--text-primary); }
.topbar-spacer { flex: 1; }
.topbar-search {
  position: relative;
  display: flex;
  align-items: center;
}
.topbar-search input {
  background: var(--body-bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 7px 14px 7px 36px;
  font-size: .82rem;
  width: 220px;
  color: var(--text-primary);
  transition: border-color var(--transition), width var(--transition);
}
.topbar-search input:focus { outline: none; border-color: var(--primary); width: 270px; }
.topbar-search i { position: absolute; left: 11px; color: var(--text-muted); font-size: .85rem; }
.topbar-btn {
  width: 38px; height: 38px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border);
  background: var(--card-bg);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  color: var(--text-secondary);
  transition: background var(--transition), border-color var(--transition);
  position: relative;
  text-decoration: none;
}
.topbar-btn:hover { background: var(--primary-light); border-color: var(--primary); color: var(--primary); }
.topbar-btn .notif-dot {
  position: absolute; top: 6px; right: 6px;
  width: 7px; height: 7px;
  background: var(--danger);
  border-radius: 50%;
  border: 1.5px solid #fff;
}
.topbar-user {
  display: flex; align-items: center; gap: 9px;
  cursor: pointer; padding: 5px 10px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
  border: 1.5px solid var(--border);
}
.topbar-user:hover { background: var(--body-bg); }
.topbar-user-name { font-size: .82rem; font-weight: 600; color: var(--text-primary); }
.topbar-user-role { font-size: .68rem; color: var(--text-muted); }

/* ── Page Content ── */
.raas-content { padding: 26px 28px; flex: 1; }

/* ── Page Header ── */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
  flex-wrap: wrap;
  gap: 12px;
}
.page-title { font-size: 1.35rem; font-weight: 800; color: var(--text-primary); }
.breadcrumb { display: flex; align-items: center; gap: 6px; font-size: .78rem; color: var(--text-muted); }
.breadcrumb a { color: var(--primary); }
.breadcrumb a:hover { text-decoration: underline; }

/* ═══════════════════════════════════════════
   CARDS
═══════════════════════════════════════════ */
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}
.card-header {
  padding: 18px 22px 14px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.card-title { font-weight: 700; font-size: .97rem; color: var(--text-primary); display: flex; align-items: center; gap: 9px; }
.card-title i { color: var(--primary); font-size: 1rem; }
.card-body { padding: 22px; }

/* Stat Cards */
.stat-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 20px;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 16px;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: var(--shadow-sm);
}
.stat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.stat-icon {
  width: 54px; height: 54px;
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}
.stat-icon.blue   { background: #dbeafe; color: var(--primary); }
.stat-icon.green  { background: #dcfce7; color: var(--success); }
.stat-icon.orange { background: #ffedd5; color: var(--secondary); }
.stat-icon.purple { background: #ede9fe; color: #7c3aed; }
.stat-icon.red    { background: #fee2e2; color: var(--danger); }
.stat-icon.teal   { background: #ccfbf1; color: #0d9488; }
.stat-body { min-width: 0; }
.stat-value { font-size: 1.6rem; font-weight: 800; line-height: 1; color: var(--text-primary); }
.stat-label { font-size: .78rem; color: var(--text-muted); margin-top: 3px; font-weight: 500; }
.stat-change { font-size: .73rem; font-weight: 600; margin-top: 5px; }
.stat-change.up   { color: var(--success); }
.stat-change.down { color: var(--danger); }

/* Grid helpers */
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 18px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; }

/* ═══════════════════════════════════════════
   FORMS
═══════════════════════════════════════════ */
.form-section { margin-bottom: 28px; }
.form-section-title {
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--primary);
  padding: 0 0 10px;
  border-bottom: 2px solid var(--primary-light);
  margin-bottom: 18px;
}
.form-group { margin-bottom: 18px; }
.form-label {
  display: block;
  font-size: .82rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.form-label .required { color: var(--danger); margin-left: 3px; }
.form-control {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: .88rem;
  font-family: var(--font-main);
  color: var(--text-primary);
  background: var(--card-bg);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-glow); }
.form-control:disabled { background: #f8fafc; color: var(--text-muted); cursor: not-allowed; }
.form-control.is-invalid { border-color: var(--danger); }
.form-control.is-invalid:focus { box-shadow: 0 0 0 3px rgba(220,38,38,.15); }
.form-icon-group { position: relative; }
.form-icon-group .form-control { padding-left: 40px; }
.form-icon-group .icon { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--text-muted); font-size: .9rem; }
.form-hint { font-size: .74rem; color: var(--text-muted); margin-top: 4px; }
.form-error { font-size: .74rem; color: var(--danger); margin-top: 4px; }

select.form-control { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%2364748b' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 10px center; background-size: 18px; padding-right: 36px; }

/* ═══════════════════════════════════════════
   BUTTONS
═══════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 20px;
  border-radius: var(--radius-sm);
  font-size: .85rem;
  font-weight: 600;
  font-family: var(--font-main);
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: all var(--transition);
  text-decoration: none;
  line-height: 1;
  white-space: nowrap;
}
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(26,86,219,.35); }
.btn-secondary { background: var(--secondary); color: #fff; border-color: var(--secondary); }
.btn-secondary:hover { background: var(--secondary-dark); border-color: var(--secondary-dark); transform: translateY(-1px); }
.btn-success { background: var(--success); color: #fff; border-color: var(--success); }
.btn-success:hover { background: #15803d; transform: translateY(-1px); }
.btn-danger  { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-danger:hover  { background: #b91c1c; transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: var(--primary-light); }
.btn-ghost  { background: var(--body-bg); color: var(--text-secondary); border-color: var(--border); }
.btn-ghost:hover { background: var(--border); }
.btn-sm { padding: 6px 14px; font-size: .78rem; }
.btn-lg { padding: 12px 28px; font-size: .95rem; }
.btn-icon { padding: 8px; width: 36px; height: 36px; justify-content: center; }

/* ═══════════════════════════════════════════
   TABLES
═══════════════════════════════════════════ */
.table-wrapper { overflow-x: auto; }
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: .84rem;
}
.table th {
  background: #f8fafc;
  color: var(--text-secondary);
  font-weight: 700;
  font-size: .73rem;
  text-transform: uppercase;
  letter-spacing: .6px;
  padding: 12px 16px;
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
}
.table td { padding: 13px 16px; border-bottom: 1px solid var(--border); vertical-align: middle; color: var(--text-primary); }
.table tbody tr { transition: background var(--transition); }
.table tbody tr:hover { background: #f8fafc; }
.table tbody tr:last-child td { border-bottom: none; }
.table-striped tbody tr:nth-child(odd) { background: #fafbff; }

/* ═══════════════════════════════════════════
   BADGES
═══════════════════════════════════════════ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 99px;
  font-size: .71rem;
  font-weight: 700;
  letter-spacing: .3px;
}
.badge-primary { background: var(--primary-light); color: var(--primary); }
.badge-success { background: #dcfce7; color: var(--success); }
.badge-danger  { background: #fee2e2; color: var(--danger); }
.badge-warning { background: #fef3c7; color: var(--warning); }
.badge-info    { background: #e0f2fe; color: var(--info); }
.badge-secondary { background: #ffedd5; color: var(--secondary); }
.badge-neutral { background: #f1f5f9; color: var(--text-secondary); }

/* ═══════════════════════════════════════════
   ALERTS
═══════════════════════════════════════════ */
.alert {
  padding: 13px 18px;
  border-radius: var(--radius-sm);
  font-size: .85rem;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  border-left: 4px solid;
  margin-bottom: 16px;
}
.alert i { margin-top: 1px; flex-shrink: 0; }
.alert-danger  { background: #fff5f5; border-color: var(--danger); color: #7f1d1d; }
.alert-success { background: #f0fdf4; border-color: var(--success); color: #14532d; }
.alert-warning { background: #fffbeb; border-color: var(--warning); color: #713f12; }
.alert-info    { background: #f0f9ff; border-color: var(--info); color: #164e63; }

/* ═══════════════════════════════════════════
   TABS
═══════════════════════════════════════════ */
.tab-nav {
  display: flex;
  border-bottom: 2px solid var(--border);
  gap: 0;
  overflow-x: auto;
  margin-bottom: 22px;
}
.tab-link {
  padding: 11px 20px;
  font-size: .84rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  white-space: nowrap;
  transition: color var(--transition), border-color var(--transition);
  display: flex;
  align-items: center;
  gap: 7px;
  text-decoration: none;
}
.tab-link i { font-size: .85rem; }
.tab-link:hover { color: var(--primary); }
.tab-link.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* ═══════════════════════════════════════════
   AVATAR
═══════════════════════════════════════════ */
.avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: .9rem;
  flex-shrink: 0;
}

/* ═══════════════════════════════════════════
   LOGIN PAGE
═══════════════════════════════════════════ */
.login-page {
  min-height: 100vh;
  display: flex;
  background: var(--sidebar-bg);
}
.login-panel {
  width: 460px;
  min-width: 320px;
  background: #fff;
  display: flex;
  flex-direction: column;
  padding: 0;
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 2;
}
.login-panel-inner {
  flex: 1;
  padding: 50px 44px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.login-hero {
  flex: 1;
  background: linear-gradient(135deg, #1a56db 0%, #1e3a8a 60%, #0f172a 100%);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-end;
  padding: 52px 56px;
}
.login-hero-overlay {
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.login-hero-content { position: relative; z-index: 1; }
.login-hero h1 { color: #fff; font-size: 2rem; font-weight: 800; line-height: 1.25; margin-bottom: 14px; }
.login-hero p  { color: rgba(255,255,255,.7); font-size: .92rem; max-width: 420px; line-height: 1.7; }
.login-hero-stats { display: flex; gap: 28px; margin-top: 36px; }
.login-hero-stat strong { display: block; color: #fff; font-size: 1.5rem; font-weight: 800; }
.login-hero-stat span   { color: rgba(255,255,255,.65); font-size: .78rem; font-weight: 500; }

.login-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 38px; }
.login-brand img { height: 42px; }
.login-brand-name { font-weight: 800; font-size: 1.1rem; color: var(--text-primary); }
.login-brand-sub  { font-size: .7rem; color: var(--text-muted); }

.login-title { font-size: 1.5rem; font-weight: 800; color: var(--text-primary); margin-bottom: 6px; }
.login-subtitle { font-size: .85rem; color: var(--text-muted); margin-bottom: 30px; }
.login-footer { padding: 20px 44px; border-top: 1px solid var(--border); text-align: center; font-size: .78rem; color: var(--text-muted); }

/* ═══════════════════════════════════════════
   REGISTRATION PAGE
═══════════════════════════════════════════ */
.reg-page {
  min-height: 100vh;
  background: var(--body-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px 16px;
}
.reg-card {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 540px;
  overflow: hidden;
}
.reg-card-header {
  background: linear-gradient(135deg, var(--primary), #1e40af);
  padding: 30px 36px;
  text-align: center;
}
.reg-card-header img { height: 52px; margin-bottom: 14px; }
.reg-card-header h2 { color: #fff; font-weight: 800; font-size: 1.3rem; }
.reg-card-header p  { color: rgba(255,255,255,.75); font-size: .83rem; }
.reg-card-body { padding: 32px 36px; }
.reg-steps {
  display: flex;
  justify-content: center;
  gap: 0;
  margin-bottom: 28px;
}

/* ═══════════════════════════════════════════
   MISC UTILITIES
═══════════════════════════════════════════ */
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 14px; }
.gap-4 { gap: 20px; }
.w-full { width: 100%; }
.mt-1 { margin-top: 6px; }
.mt-2 { margin-top: 12px; }
.mt-3 { margin-top: 18px; }
.mt-4 { margin-top: 26px; }
.mb-3 { margin-bottom: 18px; }
.mb-4 { margin-bottom: 26px; }
.text-muted { color: var(--text-muted); font-size: .82rem; }
.text-center { text-align: center; }
.fw-bold { font-weight: 700; }
.divider { border: none; border-top: 1px solid var(--border); margin: 20px 0; }

/* Empty state */
.empty-state {
  text-align: center;
  padding: 54px 24px;
  color: var(--text-muted);
}
.empty-state i { font-size: 3.2rem; margin-bottom: 16px; opacity: .4; }
.empty-state h4 { font-size: 1rem; font-weight: 700; color: var(--text-secondary); margin-bottom: 7px; }

/* Section divider */
.section-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 22px 0;
  font-size: .75rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .8px;
}
.section-divider::before,
.section-divider::after { content: ''; flex: 1; height: 1px; background: var(--border); }

/* Toast alerts */
.toast-container { position: fixed; top: 20px; right: 20px; z-index: 9999; display: flex; flex-direction: column; gap: 10px; }
.toast {
  background: #fff;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 280px;
  max-width: 380px;
  border-left: 4px solid var(--primary);
  animation: toastIn .3s ease;
}
.toast.success { border-color: var(--success); }
.toast.danger  { border-color: var(--danger); }
.toast.warning { border-color: var(--warning); }
@keyframes toastIn { from { transform: translateX(110%); opacity: 0; } to { transform: none; opacity: 1; } }

/* ═══════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════ */
@media (max-width: 992px) {
  :root { --sidebar-width: 0px; }
  .raas-sidebar { transform: translateX(-260px); width: 260px; }
  .raas-sidebar.open { transform: none; --sidebar-width: 260px; }
  .raas-main { margin-left: 0; }
  .grid-4 { grid-template-columns: repeat(2,1fr); }
  .login-hero { display: none; }
  .login-panel { width: 100%; max-width: 500px; margin: auto; }
}
@media (max-width: 640px) {
  .raas-content { padding: 18px 14px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .topbar-search { display: none; }
  .page-header { flex-direction: column; align-items: flex-start; }
}

/* Sidebar toggle button (mobile) */
.sidebar-toggle {
  display: none;
  width: 38px; height: 38px;
  border-radius: var(--radius-sm);
  background: var(--body-bg);
  border: 1.5px solid var(--border);
  align-items: center; justify-content: center;
  cursor: pointer; color: var(--text-secondary);
}
@media (max-width: 992px) { .sidebar-toggle { display: flex; } }

/* Overlay for mobile sidebar */
.sidebar-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 199;
}
@media (max-width: 992px) { .sidebar-overlay.show { display: block; } }

/* ═══════════════════════════════════════════
   ADDITIONAL COMPONENTS (for redesigned pages)
═══════════════════════════════════════════ */

/* Alerts */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .88rem;
  font-weight: 500;
}
.alert-success { background: #dcfce7; color: #16a34a; border-left: 4px solid #16a34a; }
.alert-danger   { background: #fee2e2; color: #dc2626; border-left: 4px solid #dc2626; }
.alert-warning  { background: #fef9c3; color: #ca8a04; border-left: 4px solid #d97706; }
.alert-info     { background: #dbeafe; color: #1d4ed8; border-left: 4px solid #3b82f6; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 7px; padding: 9px 18px; border-radius: var(--radius-sm); font-size: .86rem; font-weight: 600; cursor: pointer; border: none; transition: all var(--transition); text-decoration: none; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 2px 8px var(--primary-glow); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #15803d; }
.btn-sm { padding: 6px 12px; font-size: .8rem; }

/* Page header */
.page-header { margin-bottom: 22px; }
.page-title { font-size: 1.35rem; font-weight: 800; color: var(--text-primary); margin: 0 0 4px; display: flex; align-items: center; gap: 10px; }
.page-title i { color: var(--primary); font-size: 1.1rem; }
.page-subtitle { font-size: .84rem; color: var(--text-muted); margin: 0; }

/* Cards */
.card { background: var(--card-bg); border-radius: var(--radius); box-shadow: var(--shadow-sm); border: 1px solid var(--border); overflow: hidden; }
.card-header { padding: 14px 20px; border-bottom: 1px solid var(--border); font-weight: 700; font-size: .88rem; color: var(--text-primary); background: #fafbfc; display: flex; align-items: center; }
.card-body { padding: 20px; }

/* Table */
.table { width: 100%; border-collapse: collapse; font-size: .86rem; }
.table thead th { background: #f8fafc; color: var(--text-muted); font-size: .74rem; font-weight: 700; text-transform: uppercase; letter-spacing: .6px; padding: 10px 18px; border-bottom: 1px solid var(--border); text-align: left; }
.table tbody tr { border-bottom: 1px solid var(--border); transition: background var(--transition); }
.table tbody tr:hover { background: #f8fafc; }
.table tbody td { padding: 12px 18px; vertical-align: middle; }

/* Forms */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: .83rem; font-weight: 600; color: var(--text-secondary); margin-bottom: 6px; }
.form-control { width: 100%; padding: 9px 13px; border: 1.5px solid var(--border); border-radius: var(--radius-sm); font-size: .87rem; font-family: var(--font-main); color: var(--text-primary); background: #fff; transition: border-color var(--transition), box-shadow var(--transition); }
.form-control:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-glow); }
textarea.form-control { resize: vertical; min-height: 90px; }
select.form-control { cursor: pointer; }

/* Avatar */
.avatar { width: 38px; height: 38px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), #7c3aed); display: flex; align-items: center; justify-content: center; color: #fff; font-size: .85rem; font-weight: 700; flex-shrink: 0; }