/* ==========================================================================
   MIT Learning Center - Admin.css
   Boshqaruv paneli uchun premium qorong'u (dark dashboard) dizayn tizimi.
   ========================================================================== */

:root {
  --bg-primary: #070b19;      /* Asosiy fon */
  --bg-secondary: #0f162a;    /* Sidebar va kartochkalar foni */
  --bg-tertiary: #1e293b;     /* Jadvallar va inputlar foni */
  
  --accent-orange: #ff7a00;   /* Zarg'aldoq urg'u */
  --accent-orange-glow: rgba(255, 122, 0, 0.3);
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.4);
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* 1. BAZAVIY STIL VA RESET */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  width: 100%;
  min-height: 100vh;
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: 'Inter', sans-serif;
  overflow-x: hidden;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-orange);
}

/* Tugmalar */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  font-family: 'Outfit', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: none;
  transition: var(--transition-smooth);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-orange), #ff9f43);
  color: #fff;
  box-shadow: 0 4px 15px var(--accent-orange-glow);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 122, 0, 0.5);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border: 1px solid var(--glass-border);
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--accent-orange);
  transform: translateY(-2px);
}

.btn-block {
  width: 100%;
}

/* ==========================================================================
   2. LOGIN SCREEN (GLASSMORPHISM)
   ========================================================================== */
.login-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-primary);
  z-index: 9999;
}

.login-glow {
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 122, 0, 0.15) 0%, transparent 70%);
  filter: blur(40px);
  animation: float-glow 10s infinite alternate;
}

@keyframes float-glow {
  0% { transform: translate(-50px, -50px); }
  100% { transform: translate(50px, 50px); }
}

.login-card {
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  padding: 50px 40px;
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
  width: 90%;
  max-width: 420px;
  position: relative;
  z-index: 10;
  backdrop-filter: blur(10px);
}

.login-header {
  text-align: center;
  margin-bottom: 30px;
}

.logo-accent {
  font-family: 'Outfit', sans-serif;
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--accent-orange);
  letter-spacing: 1.5px;
  display: block;
}

.logo-subtext {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--text-muted);
}

.login-card h2 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 8px;
  text-align: center;
}

.login-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  text-align: center;
  margin-bottom: 30px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-group input, .form-group select {
  width: 100%;
  background: var(--bg-tertiary);
  border: 1px solid var(--glass-border);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 0.95rem;
  transition: var(--transition-smooth);
}

.form-group input:focus, .form-group select:focus {
  border-color: var(--accent-orange);
  outline: none;
  box-shadow: 0 0 8px var(--accent-orange-glow);
}

.error-text {
  color: #ff4757;
  font-size: 0.85rem;
  margin-bottom: 15px;
  display: none;
  align-items: center;
  gap: 8px;
}

.success-text {
  color: #2ed573;
  font-size: 0.85rem;
  margin-bottom: 15px;
  display: none;
  align-items: center;
  gap: 8px;
}

/* ==========================================================================
   3. PANEL INTERFEYSI (MAIN LAYOUT)
   ========================================================================== */
.dashboard-wrapper {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--glass-border);
  padding: 30px 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--glass-border);
}

.brand-logo {
  width: 45px;
  height: 45px;
  background: rgba(255, 122, 0, 0.1);
  border: 1px solid rgba(255, 122, 0, 0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--accent-orange);
}

.sidebar-brand h3 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
}

.sidebar-brand span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.sidebar-nav {
  margin-top: 40px;
  flex-grow: 1;
}

.sidebar-nav ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.nav-item {
  border-radius: var(--radius-sm);
  transition: var(--transition-smooth);
}

.nav-item a {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 14px 20px;
  font-family: 'Outfit', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
}

.nav-item i {
  font-size: 1.1rem;
}

.nav-item:hover, .nav-item.active {
  background: rgba(255, 122, 0, 0.1);
}

.nav-item:hover a, .nav-item.active a {
  color: var(--accent-orange);
}

/* Main Content area */
.main-content {
  padding: 40px;
  overflow-y: auto;
  max-height: 100vh;
}

.content-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 40px;
}

.header-welcome h2 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.8rem;
  font-weight: 800;
}

.header-welcome p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-top: 4px;
}

.header-date {
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Outfit', sans-serif;
  font-size: 0.95rem;
}

.header-date i {
  color: var(--accent-orange);
}

/* Tab contents */
.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.4s ease forwards;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   4. TAB 1: DASHBOARD LAYOUT
   ========================================================================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 25px;
  margin-bottom: 40px;
}

.stats-grid .stat-card {
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  padding: 24px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  transition: var(--transition-smooth);
}

.stats-grid .stat-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-orange);
}

.stat-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.stat-icon.bg-blue { background: rgba(0, 198, 255, 0.1); color: #00c6ff; }
.stat-icon.bg-purple { background: rgba(138, 35, 135, 0.1); color: #e94057; }
.stat-icon.bg-orange { background: rgba(255, 122, 0, 0.1); color: var(--accent-orange); }
.stat-icon.bg-green { background: rgba(46, 213, 115, 0.1); color: #2ed573; }

.stat-info h3 {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-info p {
  font-family: 'Outfit', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  margin-top: 4px;
}

/* Dashboard Columns */
.dashboard-columns {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 30px;
}

.dashboard-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.dashboard-section-header h3 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
}

.indicator-badge {
  background: var(--accent-orange-glow);
  color: var(--accent-orange);
  border: 1px solid rgba(255, 122, 0, 0.2);
  padding: 4px 12px;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Tables style */
.table-container {
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 30px;
}

.table-container.shadow {
  box-shadow: var(--glass-shadow);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.data-table th {
  background-color: var(--bg-tertiary);
  padding: 16px 20px;
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  color: var(--text-muted);
  border-bottom: 1px solid var(--glass-border);
}

.data-table td {
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  color: var(--text-main);
  vertical-align: middle;
}

.data-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

/* Status Badges */
.status-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  text-align: center;
}

.status-badge.status-yangi {
  background: rgba(255, 122, 0, 0.1);
  color: var(--accent-orange);
  border: 1px solid rgba(255, 122, 0, 0.2);
}

.status-badge.status-boglanildi {
  background: rgba(46, 213, 115, 0.1);
  color: #2ed573;
  border: 1px solid rgba(46, 213, 115, 0.2);
}

.status-badge.status-rad-etildi {
  background: rgba(255, 71, 87, 0.1);
  color: #ff4757;
  border: 1px solid rgba(255, 71, 87, 0.2);
}

/* Action Dropdown / buttons */
.action-select {
  background: var(--bg-tertiary);
  border: 1px solid var(--glass-border);
  color: var(--text-main);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  outline: none;
  cursor: pointer;
}

.action-select:focus {
  border-color: var(--accent-orange);
}

.btn-icon-delete {
  background: rgba(255, 71, 87, 0.1);
  color: #ff4757;
  border: 1px solid rgba(255, 71, 87, 0.2);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.btn-icon-delete:hover {
  background: #ff4757;
  color: #fff;
  transform: scale(1.05);
}

.btn-icon-view {
  background: rgba(0, 198, 255, 0.1);
  color: #00c6ff;
  border: 1px solid rgba(0, 198, 255, 0.2);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  margin-right: 6px;
  transition: var(--transition-smooth);
}

.btn-icon-view:hover {
  background: #00c6ff;
  color: #fff;
  transform: scale(1.05);
}

/* Charts summary list */
.chart-summary-list {
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  padding: 24px;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
}

.chart-item {
  margin-bottom: 16px;
}

.chart-item:last-child {
  margin-bottom: 0;
}

.chart-label-group {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  margin-bottom: 6px;
}

.chart-label-group span:first-child {
  font-weight: 600;
}

.chart-label-group span:last-child {
  color: var(--text-muted);
}

.progress-bar-bg {
  width: 100%;
  height: 8px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-orange), #ffae58);
  border-radius: var(--radius-full);
  width: 0;
  transition: width 1s ease-out;
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 50px 30px;
  color: var(--text-muted);
}

.empty-state i {
  font-size: 3rem;
  margin-bottom: 15px;
  color: rgba(255, 255, 255, 0.05);
}

/* ==========================================================================
   5. FILTER BARS
   ========================================================================== */
.filter-bar {
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  padding: 20px 25px;
  border-radius: var(--radius-md);
  margin-bottom: 25px;
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  align-items: center;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 10px;
  position: relative;
}

.filter-group i {
  position: absolute;
  left: 15px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.filter-group input {
  padding-left: 40px;
  background: var(--bg-tertiary);
  border: 1px solid var(--glass-border);
  color: var(--text-main);
  padding-top: 10px;
  padding-bottom: 10px;
  border-radius: var(--radius-sm);
  width: 280px;
  outline: none;
}

.filter-group input:focus {
  border-color: var(--accent-orange);
}

.filter-group label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.filter-group select {
  background: var(--bg-tertiary);
  border: 1px solid var(--glass-border);
  color: var(--text-main);
  padding: 10px 15px;
  border-radius: var(--radius-sm);
  outline: none;
}

/* ==========================================================================
   6. SETTINGS VIEW
   ========================================================================== */
.settings-grid-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

.settings-card {
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  padding: 40px;
  border-radius: var(--radius-lg);
}

.settings-card h3 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.settings-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.alert-box-info {
  background: rgba(0, 198, 255, 0.05);
  border: 1px solid rgba(0, 198, 255, 0.15);
  padding: 15px 20px;
  border-radius: var(--radius-sm);
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.alert-box-info i {
  color: #00c6ff;
  font-size: 1.1rem;
  margin-top: 2px;
}

/* ==========================================================================
   7. MODAL LAYOUT
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(3, 5, 10, 0.85);
  backdrop-filter: blur(8px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  width: 90%;
  max-width: 550px;
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
  transform: translateY(30px) scale(0.95);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.modal-backdrop.active .modal-content {
  transform: translateY(0) scale(1);
}

.modal-header {
  padding: 20px 30px;
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent-orange);
}

.close-modal {
  font-size: 2rem;
  color: var(--text-muted);
  cursor: pointer;
}

.close-modal:hover {
  color: var(--accent-orange);
}

.modal-body {
  padding: 30px;
}

/* Detail list inside modal */
.detail-item {
  display: flex;
  margin-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  padding-bottom: 12px;
}

.detail-item:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.detail-label {
  width: 140px;
  color: var(--text-muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  flex-shrink: 0;
}

.detail-value {
  font-weight: 600;
  color: var(--text-main);
  font-size: 0.95rem;
  word-break: break-word;
}

/* ==========================================================================
   8. MOBIL RESPONSIVENESS (ADAPTATSIYA)
   ========================================================================== */
@media (max-width: 1200px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .dashboard-columns {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .dashboard-wrapper {
    grid-template-columns: 1fr;
  }
  
  .sidebar {
    border-right: none;
    border-bottom: 1px solid var(--glass-border);
    padding: 20px;
  }
  
  .sidebar-nav {
    margin-top: 20px;
    margin-bottom: 20px;
  }
  
  .sidebar-nav ul {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .sidebar-footer {
    max-width: 200px;
    margin: 0 auto;
  }
  
  .main-content {
    padding: 20px;
  }
  
  .settings-grid-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .filter-bar {
    flex-direction: column;
    align-items: stretch;
  }
  
  .filter-group input {
    width: 100%;
  }
}