/* 
 * Custom CSS for Telegram Subscription Manager
 * Path: /home/maptech8/bot.maptechdata.com/css/style.css
 */

/* =====================================================
   ROOT VARIABLES
   ===================================================== */
:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #0dcaf0;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-success: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    --gradient-danger: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
    --gradient-warning: linear-gradient(135deg, #f7971e 0%, #ffd200 100%);
    
    --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --shadow-md: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
    
    --border-radius: 0.375rem;
    --border-radius-lg: 0.5rem;
    
    --transition: all 0.3s ease;
}

/* =====================================================
   GLOBAL STYLES
   ===================================================== */
body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: #f8fafc;
}

.container {
    max-width: 1200px;
}

/* =====================================================
   TYPOGRAPHY
   ===================================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--dark-color);
}

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* =====================================================
   NAVIGATION
   ===================================================== */
.navbar {
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.25rem;
}

.navbar-nav .nav-link {
    font-weight: 500;
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius);
    margin: 0 0.25rem;
    transition: var(--transition);
    position: relative;
}

.navbar-nav .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-1px);
}

.navbar-nav .nav-link.active {
    background-color: rgba(255, 255, 255, 0.2);
    font-weight: 600;
}

.navbar-nav .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 20px;
    height: 2px;
    background: white;
    transform: translateX(-50%);
    border-radius: 1px;
}

.dropdown-menu {
    border: none;
    box-shadow: var(--shadow-lg);
    border-radius: var(--border-radius-lg);
    margin-top: 0.5rem;
}

.dropdown-item {
    padding: 0.75rem 1.25rem;
    font-weight: 500;
    transition: var(--transition);
}

.dropdown-item:hover {
    background-color: var(--light-color);
    transform: translateX(5px);
}

/* =====================================================
   CARDS
   ===================================================== */
.card {
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    overflow: hidden;
}

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

.card-header {
    background-color: white;
    border-bottom: 1px solid #e9ecef;
    font-weight: 600;
    padding: 1.25rem 1.5rem;
}

.card-body {
    padding: 1.5rem;
}

/* Gradient Cards */
.card.bg-primary {
    background: var(--gradient-primary) !important;
    border: none;
    color: white;
}

.card.bg-success {
    background: var(--gradient-success) !important;
    border: none;
    color: white;
}

.card.bg-danger {
    background: var(--gradient-danger) !important;
    border: none;
    color: white;
}

.card.bg-warning {
    background: var(--gradient-warning) !important;
    border: none;
    color: white;
}

/* Glass Card Effect */
.card-glass {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* =====================================================
   BUTTONS
   ===================================================== */
.btn {
    font-weight: 500;
    border-radius: var(--border-radius);
    padding: 0.5rem 1rem;
    transition: var(--transition);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-primary);
    border: none;
}

.btn-success {
    background: var(--gradient-success);
    border: none;
}

.btn-danger {
    background: var(--gradient-danger);
    border: none;
}

.btn-warning {
    background: var(--gradient-warning);
    border: none;
    color: var(--dark-color);
}

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

.btn:active {
    transform: translateY(0);
}

.btn-group .btn {
    margin: 0 2px;
    border-radius: var(--border-radius) !important;
}

/* =====================================================
   FORMS
   ===================================================== */
.form-control {
    border: 2px solid #e9ecef;
    border-radius: var(--border-radius);
    padding: 0.75rem 1rem;
    transition: var(--transition);
    background-color: white;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
    background-color: white;
}

.form-select {
    border: 2px solid #e9ecef;
    border-radius: var(--border-radius);
    padding: 0.75rem 1rem;
    transition: var(--transition);
}

.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

.form-label {
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

/* =====================================================
   TABLES
   ===================================================== */
.table {
    margin-bottom: 0;
}

.table th {
    font-weight: 600;
    border-bottom: 2px solid #dee2e6;
    padding: 1rem;
    background-color: #f8f9fa;
}

.table td {
    padding: 1rem;
    vertical-align: middle;
    border-bottom: 1px solid #e9ecef;
}

.table-hover tbody tr:hover {
    background-color: #f8f9fa;
    transform: scale(1.01);
    transition: var(--transition);
}

.table-responsive {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

/* =====================================================
   BADGES
   ===================================================== */
.badge {
    font-weight: 500;
    padding: 0.5rem 0.75rem;
    border-radius: var(--border-radius);
    font-size: 0.75rem;
}

.badge.bg-success {
    background: var(--gradient-success) !important;
}

.badge.bg-danger {
    background: var(--gradient-danger) !important;
}

.badge.bg-warning {
    background: var(--gradient-warning) !important;
    color: var(--dark-color) !important;
}

.badge.bg-primary {
    background: var(--gradient-primary) !important;
}

/* =====================================================
   ALERTS
   ===================================================== */
.alert {
    border: none;
    border-radius: var(--border-radius-lg);
    padding: 1rem 1.25rem;
    font-weight: 500;
    position: relative;
    overflow: hidden;
}

.alert::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 4px;
    height: 100%;
    background: currentColor;
}

.alert-success {
    background: linear-gradient(135deg, rgba(25, 135, 84, 0.1) 0%, rgba(25, 135, 84, 0.05) 100%);
    color: var(--success-color);
    border-left: 4px solid var(--success-color);
}

.alert-danger {
    background: linear-gradient(135deg, rgba(220, 53, 69, 0.1) 0%, rgba(220, 53, 69, 0.05) 100%);
    color: var(--danger-color);
    border-left: 4px solid var(--danger-color);
}

.alert-warning {
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.1) 0%, rgba(255, 193, 7, 0.05) 100%);
    color: #856404;
    border-left: 4px solid var(--warning-color);
}

.alert-info {
    background: linear-gradient(135deg, rgba(13, 202, 240, 0.1) 0%, rgba(13, 202, 240, 0.05) 100%);
    color: #055160;
    border-left: 4px solid var(--info-color);
}

/* =====================================================
   MODALS
   ===================================================== */
.modal-content {
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

.modal-header {
    border-bottom: 1px solid #e9ecef;
    padding: 1.5rem;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    border-top: 1px solid #e9ecef;
    padding: 1.5rem;
}

/* =====================================================
   PAGINATION
   ===================================================== */
.pagination .page-link {
    border: none;
    padding: 0.75rem 1rem;
    margin: 0 0.25rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
}

.pagination .page-link:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.pagination .page-item.active .page-link {
    background: var(--gradient-primary);
    border: none;
    box-shadow: var(--shadow-md);
}

/* =====================================================
   LOADING STATES
   ===================================================== */
.loading {
    position: relative;
    color: transparent !important;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 16px;
    margin: -8px 0 0 -8px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* =====================================================
   ACTIVITY FEED
   ===================================================== */
.activity-feed {
    max-height: 400px;
    overflow-y: auto;
}

.activity-item {
    display: flex;
    align-items: flex-start;
    padding: 1rem 0;
    border-bottom: 1px solid #e9ecef;
    transition: var(--transition);
}

.activity-item:hover {
    background-color: #f8f9fa;
    border-radius: var(--border-radius);
    padding-left: 1rem;
    padding-right: 1rem;
}

.activity-item:last-child {
    border-bottom: none;
}

.activity-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    color: white;
    font-size: 1.125rem;
}

.activity-content {
    flex: 1;
}

.activity-time {
    font-size: 0.875rem;
    color: var(--secondary-color);
}

/* =====================================================
   CHARTS
   ===================================================== */
.chart-container {
    position: relative;
    height: 300px;
    padding: 1rem;
}

/* =====================================================
   UTILITIES
   ===================================================== */
.glass-effect {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.text-shadow {
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.hover-lift {
    transition: var(--transition);
}

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.border-gradient {
    border: 2px solid transparent;
    background: linear-gradient(white, white) padding-box,
                var(--gradient-primary) border-box;
}

/* =====================================================
   RESPONSIVE DESIGN
   ===================================================== */
@media (max-width: 768px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .table-responsive {
        font-size: 0.875rem;
    }
    
    .btn-group {
        display: flex;
        flex-wrap: wrap;
        gap: 0.25rem;
    }
    
    .modal-dialog {
        margin: 1rem;
    }
    
    .activity-item {
        flex-direction: column;
        text-align: center;
    }
    
    .activity-icon {
        margin: 0 auto 1rem auto;
    }
}

@media (max-width: 576px) {
    .navbar-brand {
        font-size: 1rem;
    }
    
    .card {
        margin-bottom: 1rem;
    }
    
    .btn {
        font-size: 0.875rem;
        padding: 0.5rem 0.75rem;
    }
    
    .table th,
    .table td {
        padding: 0.5rem;
        font-size: 0.875rem;
    }
}

/* =====================================================
   DARK MODE SUPPORT (Future)
   ===================================================== */
@media (prefers-color-scheme: dark) {
    :root {
        --dark-color: #f8f9fa;
        --light-color: #212529;
    }
    
    body {
        background-color: #121212;
        color: var(--dark-color);
    }
    
    .card {
        background-color: #1e1e1e;
        color: var(--dark-color);
    }
    
    .form-control,
    .form-select {
        background-color: #2d2d2d;
        border-color: #404040;
        color: var(--dark-color);
    }
    
    .table th {
        background-color: #2d2d2d;
    }
    
    .modal-content {
        background-color: #1e1e1e;
        color: var(--dark-color);
    }
}

/* =====================================================
   PRINT STYLES
   ===================================================== */
@media print {
    .navbar,
    .btn,
    .modal,
    .alert,
    footer,
    .activity-feed {
        display: none !important;
    }
    
    .container {
        width: 100% !important;
        max-width: none !important;
    }
    
    .card {
        box-shadow: none !important;
        border: 1px solid #ccc !important;
    }
    
    .table {
        border-collapse: collapse !important;
    }
    
    .table th,
    .table td {
        border: 1px solid #ccc !important;
    }
}

/* =====================================================
   ANIMATIONS
   ===================================================== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
    from { transform: translateX(-100%); }
    to { transform: translateX(0); }
}

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% { transform: translate3d(0,0,0); }
    40%, 43% { transform: translate3d(0,-30px,0); }
    70% { transform: translate3d(0,-15px,0); }
    90% { transform: translate3d(0,-4px,0); }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

.slide-in {
    animation: slideIn 0.5s ease-out;
}

.bounce {
    animation: bounce 1s ease-out;
}

/* =====================================================
   CUSTOM SCROLLBAR
   ===================================================== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #5a6fd8 0%, #6a4190 100%);
}

/* =====================================================
   FOCUS STYLES
   ===================================================== */
.btn:focus,
.form-control:focus,
.form-select:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.25);
}

/* =====================================================
   ACCESSIBILITY
   ===================================================== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}