/* Aviantics Newsletter Admin - Main Stylesheet */

:root {
    --primary: #C41E3A;
    --primary-dark: #a01830;
    --dark: #1a1a1a;
    --black: #000000;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --white: #ffffff;
    --success: #28a745;
    --warning: #ffc107;
    --danger: #dc3545;
    --info: #17a2b8;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--gray-100);
    color: var(--gray-800);
    line-height: 1.6;
}

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

a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Layout */
.admin-container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 250px;
    background-color: var(--black);
    color: var(--white);
    padding: 20px 0;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-logo {
    padding: 10px 20px 30px;
    border-bottom: 1px solid var(--gray-800);
    margin-bottom: 20px;
}

.sidebar-logo img {
    max-width: 180px;
    height: auto;
}

.sidebar-logo h1 {
    font-size: 20px;
    font-weight: 600;
    color: var(--white);
}

.sidebar-logo span {
    font-size: 11px;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.sidebar-nav {
    list-style: none;
}

.sidebar-nav li {
    margin: 2px 0;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: var(--gray-400);
    transition: all 0.2s;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
    background-color: var(--primary);
    color: var(--white);
    text-decoration: none;
}

.sidebar-nav a svg {
    margin-right: 10px;
    width: 18px;
    height: 18px;
}

.main-content {
    flex: 1;
    margin-left: 250px;
    padding: 30px;
}

/* Header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--gray-300);
}

.page-header h1 {
    font-size: 24px;
    font-weight: 600;
    color: var(--dark);
}

/* Cards */
.card {
    background: var(--white);
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    padding: 24px;
    margin-bottom: 20px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--gray-200);
}

.card-header h2 {
    font-size: 18px;
    font-weight: 600;
    color: var(--dark);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--white);
    border-radius: 8px;
    padding: 24px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    border-left: 4px solid var(--primary);
}

.stat-card h3 {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--gray-600);
    margin-bottom: 8px;
}

.stat-card .value {
    font-size: 32px;
    font-weight: 700;
    color: var(--dark);
}

.stat-card.success { border-left-color: var(--success); }
.stat-card.warning { border-left-color: var(--warning); }
.stat-card.info { border-left-color: var(--info); }

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

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

th, td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

th {
    font-weight: 600;
    color: var(--gray-700);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background-color: var(--gray-100);
}

tr:hover {
    background-color: var(--gray-100);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    border-radius: 5px;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    color: var(--white);
    text-decoration: none;
}

.btn-secondary {
    background-color: var(--gray-600);
    color: var(--white);
}

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

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

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

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

.btn-lg {
    padding: 14px 28px;
    font-size: 16px;
}

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

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--gray-700);
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    font-size: 14px;
    border: 1px solid var(--gray-300);
    border-radius: 5px;
    transition: border-color 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(196, 30, 58, 0.1);
}

.form-inline {
    display: flex;
    gap: 10px;
    align-items: flex-end;
}

.form-inline .form-group {
    margin-bottom: 0;
    flex: 1;
}

/* Alerts */
.alert {
    padding: 14px 18px;
    border-radius: 5px;
    margin-bottom: 20px;
    font-size: 14px;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-info {
    background-color: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

.alert-warning {
    background-color: #fff3cd;
    color: #856404;
    border: 1px solid #ffeeba;
}

/* Badge */
.badge {
    display: inline-block;
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 3px;
}

.badge-success {
    background-color: #d4edda;
    color: #155724;
}

.badge-warning {
    background-color: #fff3cd;
    color: #856404;
}

.badge-danger {
    background-color: #f8d7da;
    color: #721c24;
}

/* Preview Frame */
.preview-frame {
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    overflow: hidden;
    min-height: 600px;
}

.preview-frame iframe {
    width: 100%;
    height: 700px;
    border: none;
}

.preview-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 400px;
    color: var(--gray-500);
}

/* Public Pages */
.public-container {
    max-width: 500px;
    margin: 60px auto;
    padding: 20px;
}

.public-card {
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    padding: 40px;
    text-align: center;
}

.public-logo {
    max-width: 200px;
    margin-bottom: 30px;
}

.public-card h1 {
    font-size: 24px;
    margin-bottom: 10px;
    color: var(--dark);
}

.public-card p {
    color: var(--gray-600);
    margin-bottom: 30px;
}

.public-card .form-control {
    text-align: center;
    font-size: 16px;
    padding: 14px;
}

.public-card .btn {
    width: 100%;
    padding: 14px;
    font-size: 16px;
    margin-top: 10px;
}

/* Login Page */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--dark) 0%, var(--black) 100%);
}

.login-card {
    background: var(--white);
    border-radius: 12px;
    padding: 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
}

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

.login-card .logo img {
    max-width: 180px;
}

.login-card h1 {
    font-size: 20px;
    text-align: center;
    margin-bottom: 30px;
    color: var(--dark);
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .admin-container {
        flex-direction: column;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .form-inline {
        flex-direction: column;
    }
}