/* ===================================
   Subscription Manager - Custom Styles
   =================================== */

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary: #7c3aed;
    --success: #059669;
    --warning: #d97706;
    --danger: #dc2626;
    --info: #0891b2;
    --dark: #1e293b;
    --light: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --sidebar-width: 260px;
    --topnav-height: 64px;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --radius: 8px;
    --radius-lg: 12px;
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--gray-100);
    color: var(--dark);
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

/* ===================================
   Layout
   =================================== */

.app-container {
    display: flex;
    min-height: 100vh;
}

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

.page-content {
    flex: 1;
    padding: 24px;
}

/* ===================================
   Sidebar
   =================================== */

.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: linear-gradient(180deg, var(--dark) 0%, #0f172a 100%);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    transition: transform 0.3s ease;
}

.sidebar-header {
    padding: 20px 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: white;
    font-size: 1.25rem;
    font-weight: 600;
}

.logo i {
    font-size: 1.5rem;
    color: var(--primary-light);
}

.sidebar-nav {
    flex: 1;
    padding: 16px 0;
    overflow-y: auto;
}

.nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-item {
    margin: 4px 12px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--gray-400);
    text-decoration: none;
    border-radius: var(--radius);
    transition: all 0.2s ease;
    font-weight: 500;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.nav-link.active {
    background: var(--primary);
    color: white;
}

.nav-link i {
    width: 20px;
    text-align: center;
}

.sidebar-footer {
    padding: 16px 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.version-info {
    color: var(--gray-500);
    font-size: 0.75rem;
}

.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
}

/* ===================================
   Top Navigation
   =================================== */

.top-nav {
    height: var(--topnav-height);
    background: white;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.top-nav-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.page-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
    color: var(--dark);
}

.sidebar-toggle {
    padding: 8px;
    color: var(--gray-600);
}

.top-nav-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    text-decoration: none;
    color: var(--gray-600);
    border-radius: var(--radius);
    transition: background 0.2s;
}

.user-menu:hover {
    background: var(--gray-100);
    color: var(--dark);
}

.user-avatar {
    width: 36px;
    height: 36px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.user-name {
    font-weight: 500;
}

/* ===================================
   Cards
   =================================== */

.card {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--gray-200);
    background: transparent;
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--dark);
}

.card-body {
    padding: 20px;
}

.card-footer {
    padding: 12px 20px;
    border-top: 1px solid var(--gray-200);
}

/* ===================================
   Stat Cards
   =================================== */

.stat-card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.stat-card-body {
    padding: 20px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.stat-card-primary .stat-icon {
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary);
}

.stat-card-success .stat-icon {
    background: rgba(5, 150, 105, 0.1);
    color: var(--success);
}

.stat-card-info .stat-icon {
    background: rgba(8, 145, 178, 0.1);
    color: var(--info);
}

.stat-card-warning .stat-icon {
    background: rgba(217, 119, 6, 0.1);
    color: var(--warning);
}

.stat-info {
    flex: 1;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
    margin: 0 0 4px 0;
}

.stat-label {
    color: var(--gray-500);
    font-size: 0.875rem;
    margin: 0;
}

.stat-footer {
    padding: 12px 20px;
    background: var(--gray-100);
    font-size: 0.875rem;
    color: var(--gray-600);
}

.stat-footer a {
    color: var(--primary);
    text-decoration: none;
}

.stat-footer a:hover {
    text-decoration: underline;
}

/* ===================================
   Subscription Cards
   =================================== */

.subscription-card {
    transition: transform 0.2s, box-shadow 0.2s;
}

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

.stat-mini {
    text-align: center;
}

.stat-mini-label {
    display: block;
    font-size: 0.75rem;
    color: var(--gray-500);
}

.stat-mini-value {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--dark);
}

/* ===================================
   Tables
   =================================== */

.table {
    margin: 0;
}

.table thead th {
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--gray-500);
    background: var(--gray-100);
    border-bottom: 1px solid var(--gray-200);
    padding: 12px 16px;
}

.table tbody td {
    padding: 16px;
    vertical-align: middle;
    border-bottom: 1px solid var(--gray-100);
}

.table-hover tbody tr:hover {
    background: var(--gray-100);
}

/* ===================================
   Avatars
   =================================== */

.avatar-sm {
    width: 32px;
    height: 32px;
    background: var(--gray-200);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-500);
    font-size: 0.875rem;
}

.avatar-lg {
    width: 80px;
    height: 80px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

/* ===================================
   Forms
   =================================== */

.form-label {
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-bottom: 6px;
}

.form-control,
.form-select {
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    padding: 10px 14px;
    font-size: 0.9375rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.input-group-text {
    background: var(--gray-100);
    border: 1px solid var(--gray-300);
    color: var(--gray-500);
}

/* ===================================
   Buttons
   =================================== */

.btn {
    font-weight: 500;
    border-radius: var(--radius);
    padding: 10px 20px;
    transition: all 0.2s;
}

.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
}

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
}

.btn-outline-primary {
    color: var(--primary);
    border-color: var(--primary);
}

.btn-outline-primary:hover {
    background: var(--primary);
    border-color: var(--primary);
}

.btn-lg {
    padding: 14px 28px;
    font-size: 1rem;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.875rem;
}

/* ===================================
   Badges
   =================================== */

.badge {
    font-weight: 500;
    padding: 5px 10px;
    border-radius: 6px;
}

/* ===================================
   Progress
   =================================== */

.progress {
    background: var(--gray-200);
    border-radius: 10px;
    overflow: hidden;
}

.progress-bar {
    border-radius: 10px;
}

/* ===================================
   Alerts
   =================================== */

.alert {
    border: none;
    border-radius: var(--radius);
    padding: 14px 20px;
}

/* ===================================
   Authentication Pages
   =================================== */

.auth-body {
    background: linear-gradient(135deg, var(--dark) 0%, #0f172a 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.auth-container {
    width: 100%;
    max-width: 440px;
}

.auth-card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 40px;
}

.auth-card-lg {
    max-width: 560px;
    margin: 0 auto;
}

.auth-header {
    text-align: center;
    margin-bottom: 32px;
}

.auth-logo {
    width: 64px;
    height: 64px;
    background: var(--primary);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.75rem;
    color: white;
}

.auth-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
    margin: 0 0 8px 0;
}

.auth-form .form-label {
    font-size: 0.875rem;
}

.auth-footer {
    text-align: center;
    margin-top: 24px;
    color: var(--gray-500);
}

.auth-footer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}

.auth-footer a:hover {
    text-decoration: underline;
}

.auth-demo-credentials {
    text-align: center;
    margin-top: 24px;
    padding: 16px;
    background: var(--gray-100);
    border-radius: var(--radius);
    font-size: 0.875rem;
}

.auth-demo-credentials code {
    background: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.8125rem;
}

/* ===================================
   Dropdowns
   =================================== */

.dropdown-menu {
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 8px;
}

.dropdown-item {
    padding: 10px 14px;
    border-radius: 6px;
    font-size: 0.875rem;
}

.dropdown-item:hover {
    background: var(--gray-100);
}

/* ===================================
   Modals
   =================================== */

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

.modal-header {
    border-bottom: 1px solid var(--gray-200);
    padding: 20px 24px;
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    border-top: 1px solid var(--gray-200);
    padding: 16px 24px;
}

/* ===================================
   Utilities
   =================================== */

.text-primary {
    color: var(--primary) !important;
}

.text-success {
    color: var(--success) !important;
}

.text-warning {
    color: var(--warning) !important;
}

.text-danger {
    color: var(--danger) !important;
}

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

.provider-logo {
    width: 80px;
    height: 80px;
    background: var(--gray-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

/* ===================================
   Responsive
   =================================== */

@media (max-width: 991.98px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.show {
        transform: translateX(0);
    }

    .sidebar-overlay.show {
        display: block;
    }

    .main-content {
        margin-left: 0;
    }

    .sidebar-toggle {
        display: block !important;
    }
}

@media (max-width: 575.98px) {
    .page-content {
        padding: 16px;
    }

    .auth-card {
        padding: 24px;
    }

    .stat-card-body {
        padding: 16px;
    }

    .stat-value {
        font-size: 1.25rem;
    }
}