/* Newsletter Platform - Custom Theme */

:root {
    --primary: #F20D80;
    --primary-hover: #d10a6f;
    --secondary: hsla(243.46, 100%, 69.41%, 1);
    --secondary-hover: hsla(243.46, 100%, 59.41%, 1);
    --tertiary: #0A0F3D;
    --tertiary-light: #1a1f5d;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --light: #f8fafc;
    --dark: #1e293b;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --sidebar-width: 260px;
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--gray-100);
    color: var(--dark);
    line-height: 1.6;
}

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

a:hover {
    color: var(--primary-hover);
}

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

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: linear-gradient(180deg, var(--tertiary) 0%, var(--tertiary-light) 100%);
    color: white;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
    transition: transform 0.3s ease;
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
}

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

.sidebar-nav {
    padding: 1rem 0;
}

.nav-section {
    padding: 0.5rem 1.5rem;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--gray-400);
    margin-top: 1rem;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    color: var(--gray-300);
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.nav-item:hover {
    background: rgba(255,255,255,0.05);
    color: white;
}

.nav-item.active {
    background: rgba(242, 13, 128, 0.1);
    color: var(--primary);
    border-left-color: var(--primary);
}

.nav-item i {
    font-size: 1.1rem;
    width: 24px;
    text-align: center;
}

.nav-badge {
    margin-left: auto;
    background: var(--primary);
    color: white;
    font-size: 0.7rem;
    padding: 0.15rem 0.5rem;
    border-radius: 10px;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
}

/* Top Bar */
.topbar {
    background: white;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 0;
    z-index: 100;
}

.topbar-left h1 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--tertiary);
    margin: 0;
}

.topbar-left .breadcrumb {
    font-size: 0.85rem;
    color: var(--gray-500);
    margin-top: 0.25rem;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-dropdown {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--gray-100);
    border-radius: 0.5rem;
    cursor: pointer;
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.85rem;
}

/* Page Content */
.page-content {
    padding: 2rem;
}

/* Cards */
.card {
    background: white;
    border-radius: 0.75rem;
    border: 1px solid var(--gray-200);
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.card-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h2 {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0;
}

.card-body {
    padding: 1.5rem;
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    border-radius: 0.75rem;
    padding: 1.5rem;
    border: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-icon.primary {
    background: rgba(242, 13, 128, 0.1);
    color: var(--primary);
}

.stat-icon.secondary {
    background: rgba(125, 99, 255, 0.1);
    color: var(--secondary);
}

.stat-icon.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.stat-icon.warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.stat-info h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--tertiary);
    margin: 0;
    line-height: 1;
}

.stat-info p {
    font-size: 0.85rem;
    color: var(--gray-500);
    margin: 0.25rem 0 0;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 0.5rem;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

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

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

.btn-secondary {
    background: var(--secondary);
    color: white;
}

.btn-secondary:hover {
    background: var(--secondary-hover);
    color: white;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--gray-300);
    color: var(--gray-600);
}

.btn-outline:hover {
    background: var(--gray-100);
    color: var(--gray-700);
}

.btn-success {
    background: var(--success);
    color: white;
}

.btn-danger {
    background: var(--danger);
    color: white;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.8rem;
}

.btn-lg {
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
}

/* Tables */
.table-container {
    overflow-x: auto;
}

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

.table th {
    text-align: left;
    padding: 0.875rem 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-500);
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
}

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

.table tr:hover {
    background: var(--gray-50);
}

.table-actions {
    display: flex;
    gap: 0.5rem;
}

/* Forms */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

.form-control {
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: 0.9rem;
    border: 1px solid var(--gray-300);
    border-radius: 0.5rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(242, 13, 128, 0.1);
}

.form-control::placeholder {
    color: var(--gray-400);
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3E%3Cpath fill='%23475569' d='M4.5 5.5l3.5 3.5 3.5-3.5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2.5rem;
}

.form-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-check-input {
    width: 1rem;
    height: 1rem;
    accent-color: var(--primary);
}

.form-text {
    font-size: 0.8rem;
    color: var(--gray-500);
    margin-top: 0.25rem;
}

/* Alerts */
.alert {
    padding: 1rem 1.25rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    color: #065f46;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.alert-error, .alert-danger {
    background: rgba(239, 68, 68, 0.1);
    color: #991b1b;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    color: #92400e;
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    color: #1e40af;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 9999px;
}

.badge-primary {
    background: rgba(242, 13, 128, 0.1);
    color: var(--primary);
}

.badge-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

.badge-secondary {
    background: var(--gray-100);
    color: var(--gray-600);
}

/* Tags */
.tag {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    border-radius: 0.25rem;
    background: var(--gray-100);
    color: var(--gray-700);
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--gray-500);
}

.empty-state i {
    font-size: 3rem;
    color: var(--gray-300);
    margin-bottom: 1rem;
}

.empty-state h3 {
    font-size: 1.1rem;
    color: var(--gray-600);
    margin-bottom: 0.5rem;
}

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    margin-top: 1.5rem;
}

.pagination a, .pagination span {
    padding: 0.5rem 0.875rem;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    color: var(--gray-600);
}

.pagination a:hover {
    background: var(--gray-100);
}

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

/* Modal */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}

.modal-backdrop.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: white;
    border-radius: 0.75rem;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--gray-400);
    cursor: pointer;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--gray-200);
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

/* Login Page */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--tertiary) 0%, var(--tertiary-light) 100%);
    padding: 2rem;
}

.login-card {
    background: white;
    border-radius: 1rem;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    max-width: 420px;
    width: 100%;
    overflow: hidden;
}

.login-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    padding: 2rem;
    text-align: center;
}

.login-header h1 {
    margin: 0;
    font-size: 1.5rem;
}

.login-body {
    padding: 2rem;
}

/* Template Preview */
.template-preview {
    border: 1px solid var(--gray-200);
    border-radius: 0.5rem;
    overflow: hidden;
    background: white;
}

.template-preview iframe {
    width: 100%;
    height: 500px;
    border: none;
}

/* Campaign Status */
.status-draft { color: var(--gray-500); }
.status-scheduled { color: var(--warning); }
.status-sending { color: var(--secondary); }
.status-sent { color: var(--success); }
.status-paused { color: var(--danger); }

/* Responsive */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }

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

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

    .topbar {
        padding: 1rem;
    }

    .page-content {
        padding: 1rem;
    }
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .card-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }

    .table-responsive {
        font-size: 0.85rem;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--gray-500); }
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }