/* ============================================================
   KehadiranApp — Main Stylesheet
   Dark Premium Theme (AdminLTE-style Custom)
   ============================================================ */

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

:root {
  --bg-main:      #0f1117;
  --bg-sidebar:   #161b2e;
  --bg-card:      #1e2235;
  --bg-card2:     #252a40;
  --bg-input:     #1a1f35;
  --border:       #2d3252;
  --text-primary: #e2e8f0;
  --text-muted:   #8892b0;
  --text-light:   #ccd6f6;
  --primary:      #6366f1;
  --primary-hover:#4f46e5;
  --primary-glow: rgba(99,102,241,0.25);
  --success:      #10b981;
  --warning:      #f59e0b;
  --danger:       #ef4444;
  --info:         #38bdf8;
  --sidebar-w:    260px;
  --navbar-h:     64px;
  --radius:       12px;
  --radius-sm:    8px;
  --shadow:       0 4px 24px rgba(0,0,0,0.4);
  --shadow-sm:    0 2px 8px rgba(0,0,0,0.3);
  --transition:   all .2s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-main);
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
}

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

/* ===================== SCROLLBAR ===================== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-sidebar); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

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

/* ---- Sidebar ---- */
.sidebar {
  width: var(--sidebar-w);
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 1000;
  transition: var(--transition);
  overflow: hidden;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 20px;
  border-bottom: 1px solid var(--border);
  min-height: var(--navbar-h);
}

.sidebar-brand .brand-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--primary), #818cf8);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; color: #fff;
  flex-shrink: 0;
}

.sidebar-brand .brand-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-light);
  letter-spacing: 0.3px;
}

.sidebar-brand .brand-name span {
  display: block;
  font-size: 10px;
  font-weight: 400;
  color: var(--text-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.sidebar-nav { flex: 1; overflow-y: auto; padding: 12px 0; }

.nav-section-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 16px 20px 6px;
}

.nav-item { padding: 2px 10px; }

.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 13.5px;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

.nav-link:hover {
  color: var(--text-light);
  background: rgba(99,102,241,0.1);
}

.nav-link.active {
  color: #fff;
  background: linear-gradient(90deg, var(--primary), rgba(99,102,241,0.7));
  box-shadow: 0 2px 12px var(--primary-glow);
}

.nav-link i { width: 18px; text-align: center; font-size: 15px; }

.nav-badge {
  margin-left: auto;
  background: var(--danger);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 20px;
  min-width: 20px;
  text-align: center;
}

/* ---- User Profile at sidebar bottom ---- */
.sidebar-user {
  padding: 14px 16px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-user .avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), #818cf8);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 700; color: #fff;
  flex-shrink: 0;
}

.sidebar-user .user-info { flex: 1; min-width: 0; }
.sidebar-user .user-name  { font-size: 13px; font-weight: 600; color: var(--text-light); truncate: ellipsis; white-space: nowrap; overflow: hidden; }
.sidebar-user .user-role  { font-size: 11px; color: var(--text-muted); }
.sidebar-user .btn-logout { color: var(--text-muted); font-size: 15px; }
.sidebar-user .btn-logout:hover { color: var(--danger); }

/* ---- Main content ---- */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-w);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ---- Navbar (top bar) ---- */
.navbar {
  height: var(--navbar-h);
  background: var(--bg-sidebar);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 999;
}

.navbar-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-light);
  flex: 1;
}

.navbar-actions { display: flex; align-items: center; gap: 8px; }

.navbar-btn {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-muted);
  display: flex; align-items: center; justify-content: center;
  font-size: 15px;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}

.navbar-btn:hover { color: var(--text-primary); border-color: var(--primary); }

.notif-dot {
  position: absolute;
  top: 6px; right: 6px;
  width: 8px; height: 8px;
  background: var(--danger);
  border-radius: 50%;
  border: 2px solid var(--bg-sidebar);
}

/* ---- Page Content ---- */
.page-content { padding: 24px; flex: 1; }

.page-header {
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.page-title { font-size: 20px; font-weight: 700; color: var(--text-light); }
.page-subtitle { font-size: 13px; color: var(--text-muted); margin-top: 2px; }

/* ===================== CARDS ===================== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-title i { color: var(--primary); }

.card-body { padding: 20px; }

/* ---- Stat Cards ---- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 100%;
}

.stat-card.primary::before { background: var(--primary); }
.stat-card.success::before { background: var(--success); }
.stat-card.warning::before { background: var(--warning); }
.stat-card.danger::before  { background: var(--danger);  }
.stat-card.info::before    { background: var(--info);    }

.stat-card:hover { border-color: var(--primary); transform: translateY(-2px); box-shadow: var(--shadow); }

.stat-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.stat-icon.primary { background: var(--primary-glow); color: var(--primary); }
.stat-icon.success { background: rgba(16,185,129,0.15); color: var(--success); }
.stat-icon.warning { background: rgba(245,158,11,0.15); color: var(--warning); }
.stat-icon.danger  { background: rgba(239,68,68,0.15);  color: var(--danger);  }
.stat-icon.info    { background: rgba(56,189,248,0.15); color: var(--info);    }

.stat-info { flex: 1; min-width: 0; }
.stat-value { font-size: 24px; font-weight: 700; color: var(--text-light); }
.stat-label { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

/* ===================== TABLES ===================== */
.table-responsive { overflow-x: auto; }

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

th {
  background: var(--bg-card2);
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
  font-size: 13.5px;
  vertical-align: middle;
}

tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(99,102,241,0.05); }

/* ===================== BADGES ===================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
}

.badge-success { background: rgba(16,185,129,0.15); color: var(--success); }
.badge-warning { background: rgba(245,158,11,0.15); color: var(--warning); }
.badge-danger  { background: rgba(239,68,68,0.15);  color: var(--danger);  }
.badge-primary { background: var(--primary-glow);   color: var(--primary); }
.badge-info    { background: rgba(56,189,248,0.15); color: var(--info);    }
.badge-muted   { background: rgba(136,146,176,0.15); color: var(--text-muted); }

/* ===================== BUTTONS ===================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  font-family: 'Inter', sans-serif;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #818cf8);
  color: #fff;
  box-shadow: 0 4px 12px var(--primary-glow);
}
.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); box-shadow: 0 6px 16px var(--primary-glow); }

.btn-success { background: rgba(16,185,129,0.15); color: var(--success); border: 1px solid rgba(16,185,129,0.3); }
.btn-success:hover { background: var(--success); color: #fff; }

.btn-danger  { background: rgba(239,68,68,0.15);  color: var(--danger);  border: 1px solid rgba(239,68,68,0.3); }
.btn-danger:hover  { background: var(--danger);  color: #fff; }

.btn-outline {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.btn-outline:hover { color: var(--text-primary); border-color: var(--primary); }

.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-icon { padding: 8px; gap: 0; }

/* ===================== FORMS ===================== */
.form-group { margin-bottom: 18px; }

label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

input, select, textarea {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 10px 14px;
  font-size: 13.5px;
  font-family: 'Inter', sans-serif;
  transition: var(--transition);
  outline: none;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

input::placeholder, textarea::placeholder { color: var(--text-muted); }
select option { background: var(--bg-card); color: var(--text-primary); }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-error { font-size: 12px; color: var(--danger); margin-top: 4px; }

/* ===================== ALERTS ===================== */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 16px;
}
.alert-success { background: rgba(16,185,129,0.1); border: 1px solid rgba(16,185,129,0.3); color: var(--success); }
.alert-danger  { background: rgba(239,68,68,0.1);  border: 1px solid rgba(239,68,68,0.3);  color: var(--danger);  }
.alert-warning { background: rgba(245,158,11,0.1); border: 1px solid rgba(245,158,11,0.3); color: var(--warning); }
.alert-info    { background: rgba(56,189,248,0.1); border: 1px solid rgba(56,189,248,0.3); color: var(--info);    }

/* ===================== LOGIN PAGE ===================== */
.login-page {
  min-height: 100vh;
  background: var(--bg-main);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  position: relative;
  overflow: hidden;
}

.login-page::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(99,102,241,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.login-page::after {
  content: '';
  position: absolute;
  bottom: -200px; left: -200px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(16,185,129,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.login-box {
  width: 100%;
  max-width: 420px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px;
  box-shadow: 0 25px 60px rgba(0,0,0,0.5);
  position: relative;
  z-index: 1;
  animation: fadeInUp 0.5s ease;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0);    }
}

.login-logo {
  text-align: center;
  margin-bottom: 32px;
}

.login-logo .logo-icon {
  width: 64px; height: 64px;
  background: linear-gradient(135deg, var(--primary), #818cf8);
  border-radius: 18px;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px; color: #fff;
  margin: 0 auto 16px;
  box-shadow: 0 8px 24px var(--primary-glow);
}

.login-logo h1 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-light);
}

.login-logo p {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
}

.btn-login {
  width: 100%;
  padding: 13px;
  font-size: 15px;
  border-radius: 10px;
  margin-top: 8px;
  background: linear-gradient(135deg, var(--primary), #818cf8);
  color: #fff;
  border: none;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  transition: var(--transition);
  box-shadow: 0 4px 16px var(--primary-glow);
}

.btn-login:hover { opacity: 0.92; transform: translateY(-1px); }

.login-input-group { position: relative; }
.login-input-group input { padding-left: 42px; }
.login-input-group i {
  position: absolute;
  left: 14px; top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 14px;
}

/* ===================== NOTIFICATION PANEL ===================== */
.notif-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 320px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  z-index: 2000;
  display: none;
}

.notif-dropdown.open { display: block; animation: fadeInDown 0.2s ease; }

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.notif-header {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-light);
  display: flex;
  justify-content: space-between;
}

.notif-item {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  gap: 12px;
  transition: var(--transition);
  cursor: pointer;
}

.notif-item:hover { background: var(--bg-card2); }
.notif-item.unread { border-left: 3px solid var(--primary); }

.notif-item-icon {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: var(--primary-glow);
  color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
}

.notif-item-text { flex: 1; min-width: 0; }
.notif-item-title { font-size: 13px; font-weight: 600; color: var(--text-light); }
.notif-item-msg   { font-size: 12px; color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-top: 2px; }
.notif-item-time  { font-size: 11px; color: var(--text-muted); white-space: nowrap; margin-top: 4px; }

/* ===================== UTILITIES ===================== */
.d-flex   { display: flex; }
.gap-2    { gap: 8px; }
.gap-3    { gap: 12px; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.mt-1     { margin-top: 4px; }
.mt-2     { margin-top: 8px; }
.mt-3     { margin-top: 16px; }
.mb-2     { margin-bottom: 8px; }
.mb-3     { margin-bottom: 16px; }
.mb-4     { margin-bottom: 24px; }
.text-muted   { color: var(--text-muted) !important; }
.text-success { color: var(--success) !important; }
.text-danger  { color: var(--danger)  !important; }
.text-warning { color: var(--warning) !important; }
.text-primary { color: var(--primary) !important; }
.fw-600   { font-weight: 600; }
.fw-700   { font-weight: 700; }
.fs-12    { font-size: 12px; }
.fs-13    { font-size: 13px; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ===================== RESPONSIVE ===================== */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .page-content { padding: 16px; }
}

@media (max-width: 480px) {
  .stat-grid { grid-template-columns: 1fr; }
  .login-box { padding: 28px 20px; }
}