/* ╔═══════════════════════════════════════════════════════════════╗
   ║  TAMAYUZ MODERN UI - COMPLETE SYSTEM REDESIGN                 ║
   ║  Clean, Simple, Professional, Consistent                      ║
   ╚═══════════════════════════════════════════════════════════════╝ */

/* ========================================
   MODERN COLOR PALETTE
   ======================================== */
:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --primary-color: #667eea;
    --primary-dark: #5568d3;
    --secondary-color: #764ba2;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #3b82f6;
    
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    
    --border-color: #e5e7eb;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.12);
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================
   MODERN TYPOGRAPHY
   ======================================== */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif !important;
    font-size: 15px !important;
    line-height: 1.6 !important;
    color: var(--text-primary) !important;
    background: var(--bg-secondary) !important;
    -webkit-font-smoothing: antialiased !important;
    -moz-osx-font-smoothing: grayscale !important;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600 !important;
    color: var(--text-primary) !important;
    margin-bottom: 1rem !important;
}

h1 { font-size: 2.25rem !important; }
h2 { font-size: 1.875rem !important; }
h3 { font-size: 1.5rem !important; }
h4 { font-size: 1.25rem !important; }

/* ========================================
   MODERN NAVBAR
   ======================================== */
.navbar {
    background: white !important;
    border: none !important;
    border-bottom: 1px solid var(--border-color) !important;
    box-shadow: var(--shadow-sm) !important;
    margin-bottom: 0 !important;
    padding: 0 !important;
    min-height: 65px !important;
}

.navbar-default {
    background: white !important;
}

.navbar-brand {
    font-size: 20px !important;
    font-weight: 700 !important;
    color: var(--primary-color) !important;
    padding: 20px 20px !important;
    transition: var(--transition) !important;
}

.navbar-brand:hover {
    color: var(--primary-dark) !important;
    opacity: 0.8 !important;
}

.navbar-brand em {
    background: var(--primary-gradient) !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text !important;
    font-size: 24px !important;
}

/* Navbar links */
.navbar-nav > li > a {
    color: var(--text-secondary) !important;
    font-weight: 500 !important;
    font-size: 15px !important;
    padding: 22px 16px !important;
    transition: var(--transition) !important;
    border-bottom: 3px solid transparent !important;
}

.navbar-nav > li > a:hover,
.navbar-nav > li > a:focus {
    color: var(--primary-color) !important;
    background: transparent !important;
    border-bottom-color: var(--primary-color) !important;
}

.navbar-nav > li.active > a {
    color: var(--primary-color) !important;
    background: transparent !important;
    border-bottom-color: var(--primary-color) !important;
}

/* ========================================
   MODERN ADMIN TOPBAR
   ======================================== */
#toolbar-admin.navbar-inverse {
    background: var(--primary-gradient) !important;
    border: none !important;
    box-shadow: var(--shadow-md) !important;
    min-height: 60px !important;
}

#toolbar-admin .navbar-brand {
    color: white !important;
    font-weight: 700 !important;
}

#toolbar-admin .tamayuz-brand-text {
    font-size: 24px !important;
    font-weight: 700 !important;
}

#toolbar-admin .tamayuz-brand-core-small {
    font-size: 14px !important;
    font-weight: 400 !important;
    opacity: 0.9 !important;
    margin-left: 2px !important;
}

#toolbar-admin .navbar-nav > li > a {
    color: rgba(255, 255, 255, 0.9) !important;
    padding: 20px 16px !important;
    border-bottom: none !important;
}

#toolbar-admin .navbar-nav > li > a:hover {
    background: rgba(255, 255, 255, 0.15) !important;
    color: white !important;
}

#toolbar-admin .dropdown-menu {
    border-radius: var(--border-radius-sm) !important;
    border: 1px solid var(--border-color) !important;
    box-shadow: var(--shadow-lg) !important;
    padding: 8px 0 !important;
}

#toolbar-admin .dropdown-menu > li > a {
    padding: 10px 20px !important;
    color: var(--text-primary) !important;
    transition: var(--transition) !important;
}

#toolbar-admin .dropdown-menu > li > a:hover {
    background: var(--bg-tertiary) !important;
    color: var(--primary-color) !important;
}

/* Search form in topbar */
#toolbar-admin .navbar-form {
    margin: 12px 0 !important;
}

#toolbar-admin .navbar-form .form-control {
    border-radius: 20px !important;
    border: 1px solid rgba(255, 255, 255, 0.3) !important;
    background: rgba(255, 255, 255, 0.15) !important;
    color: white !important;
    padding: 8px 16px !important;
}

#toolbar-admin .navbar-form .form-control::placeholder {
    color: rgba(255, 255, 255, 0.7) !important;
}

#toolbar-admin .navbar-form .btn {
    border-radius: 20px !important;
    background: rgba(255, 255, 255, 0.2) !important;
    border: 1px solid rgba(255, 255, 255, 0.3) !important;
    color: white !important;
    padding: 8px 20px !important;
    margin-left: 8px !important;
}

#toolbar-admin .navbar-form .btn:hover {
    background: rgba(255, 255, 255, 0.3) !important;
}

/* ========================================
   MODERN USERS ONLINE STATUS
   ======================================== */
.user-online,
.user-online-course {
    margin-right: 8px !important;
}

.user-online a,
.user-online-course a {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    padding: 8px 16px !important;
    background: var(--bg-tertiary) !important;
    border-radius: 20px !important;
    color: var(--text-primary) !important;
    font-weight: 500 !important;
    font-size: 14px !important;
    transition: var(--transition) !important;
    text-decoration: none !important;
    border: 1px solid var(--border-color) !important;
}

.user-online a:hover,
.user-online-course a:hover {
    background: var(--primary-gradient) !important;
    color: white !important;
    border-color: transparent !important;
    transform: translateY(-2px) !important;
    box-shadow: var(--shadow-md) !important;
}

.user-online a img,
.user-online-course a img {
    width: 18px !important;
    height: 18px !important;
    filter: grayscale(0) !important;
}

.user-online a:hover img,
.user-online-course a:hover img {
    filter: brightness(0) invert(1) !important;
}

/* Notification pills */
#notifications.nav-pills > li > a {
    padding: 8px 16px !important;
    border-radius: 20px !important;
    background: var(--bg-tertiary) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-color) !important;
    margin-left: 8px !important;
    transition: var(--transition) !important;
}

#notifications.nav-pills > li > a:hover {
    background: var(--primary-gradient) !important;
    color: white !important;
    border-color: transparent !important;
    transform: translateY(-2px) !important;
}

/* ========================================
   MODERN BUTTONS
   ======================================== */
.btn {
    border-radius: var(--border-radius-sm) !important;
    padding: 10px 24px !important;
    font-weight: 500 !important;
    font-size: 14px !important;
    border: none !important;
    transition: var(--transition) !important;
    cursor: pointer !important;
}

.btn:hover {
    transform: translateY(-2px) !important;
    box-shadow: var(--shadow-md) !important;
}

.btn-primary {
    background: var(--primary-gradient) !important;
    color: white !important;
}

.btn-success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%) !important;
    color: white !important;
}

.btn-warning {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%) !important;
    color: white !important;
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%) !important;
    color: white !important;
}

.btn-info {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%) !important;
    color: white !important;
}

.btn-default {
    background: white !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-color) !important;
}

.btn-default:hover {
    background: var(--bg-tertiary) !important;
}

/* Button sizes */
.btn-lg {
    padding: 12px 32px !important;
    font-size: 16px !important;
}

.btn-sm {
    padding: 6px 16px !important;
    font-size: 13px !important;
}

.btn-xs {
    padding: 4px 12px !important;
    font-size: 12px !important;
}

/* ========================================
   MODERN PANELS & CARDS
   ======================================== */
.panel,
.card {
    background: white !important;
    border: 1px solid var(--border-color) !important;
    border-radius: var(--border-radius) !important;
    box-shadow: var(--shadow-sm) !important;
    margin-bottom: 24px !important;
    overflow: hidden !important;
}

.panel-heading,
.card-header {
    background: var(--bg-secondary) !important;
    border-bottom: 1px solid var(--border-color) !important;
    padding: 16px 20px !important;
    font-weight: 600 !important;
    color: var(--text-primary) !important;
}

.panel-body,
.card-body {
    padding: 24px !important;
}

.panel-footer,
.card-footer {
    background: var(--bg-secondary) !important;
    border-top: 1px solid var(--border-color) !important;
    padding: 16px 20px !important;
}

/* Panel primary */
.panel-primary > .panel-heading {
    background: var(--primary-gradient) !important;
    color: white !important;
    border: none !important;
}

/* ========================================
   MODERN TABLES
   ======================================== */
.table {
    background: white !important;
    border-radius: var(--border-radius) !important;
    overflow: hidden !important;
}

.table thead th {
    background: var(--bg-secondary) !important;
    border-bottom: 2px solid var(--border-color) !important;
    color: var(--text-primary) !important;
    font-weight: 600 !important;
    padding: 16px !important;
    text-transform: uppercase !important;
    font-size: 12px !important;
    letter-spacing: 0.5px !important;
}

.table tbody tr {
    border-bottom: 1px solid var(--border-color) !important;
    transition: var(--transition) !important;
}

.table tbody tr:hover {
    background: var(--bg-secondary) !important;
}

.table tbody td {
    padding: 16px !important;
    vertical-align: middle !important;
}

/* ========================================
   MODERN FORMS
   ======================================== */
.form-control {
    border: 1px solid var(--border-color) !important;
    border-radius: var(--border-radius-sm) !important;
    padding: 10px 16px !important;
    font-size: 14px !important;
    transition: var(--transition) !important;
    background: white !important;
}

.form-control:focus {
    border-color: var(--primary-color) !important;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1) !important;
    outline: none !important;
}

.form-group label {
    font-weight: 500 !important;
    color: var(--text-primary) !important;
    margin-bottom: 8px !important;
    font-size: 14px !important;
}

/* ========================================
   MODERN BADGES & LABELS
   ======================================== */
.badge,
.label {
    border-radius: 12px !important;
    padding: 4px 12px !important;
    font-weight: 500 !important;
    font-size: 12px !important;
}

.badge-primary,
.label-primary {
    background: var(--primary-color) !important;
}

.badge-success,
.label-success {
    background: var(--success-color) !important;
}

.badge-warning,
.label-warning {
    background: var(--warning-color) !important;
}

.badge-danger,
.label-danger {
    background: var(--danger-color) !important;
}

/* ========================================
   MODERN ALERTS
   ======================================== */
.alert {
    border-radius: var(--border-radius-sm) !important;
    border: none !important;
    padding: 16px 20px !important;
    font-weight: 500 !important;
}

.alert-success {
    background: #d1fae5 !important;
    color: #065f46 !important;
}

.alert-info {
    background: #dbeafe !important;
    color: #1e40af !important;
}

.alert-warning {
    background: #fed7aa !important;
    color: #92400e !important;
}

.alert-danger {
    background: #fee2e2 !important;
    color: #991b1b !important;
}

/* ========================================
   MODERN BREADCRUMBS
   ======================================== */
.breadcrumb {
    background: transparent !important;
    padding: 12px 0 !important;
    margin-bottom: 24px !important;
}

.breadcrumb > li + li:before {
    content: "›" !important;
    padding: 0 8px !important;
    color: var(--text-muted) !important;
}

.breadcrumb > li > a {
    color: var(--text-secondary) !important;
    transition: var(--transition) !important;
}

.breadcrumb > li > a:hover {
    color: var(--primary-color) !important;
    text-decoration: none !important;
}

/* ========================================
   MODERN CONTAINER & SPACING
   ======================================== */
.container {
    max-width: 1200px !important;
}

.container-fluid {
    padding-left: 24px !important;
    padding-right: 24px !important;
}

/* Modern spacing utilities */
.mb-4 { margin-bottom: 24px !important; }
.mt-4 { margin-top: 24px !important; }
.p-4 { padding: 24px !important; }

/* ========================================
   SCROLLBAR STYLING
   ======================================== */
::-webkit-scrollbar {
    width: 10px !important;
    height: 10px !important;
}

::-webkit-scrollbar-track {
    background: var(--bg-tertiary) !important;
}

::-webkit-scrollbar-thumb {
    background: var(--text-muted) !important;
    border-radius: 5px !important;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary) !important;
}