/* ============================================
   DNS Panel - Custom Stylesheet
   ============================================ */

:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #0dcaf0;
    --light-bg: #f8f9fa;
    --dark-text: #212529;
    --border-color: #dee2e6;
}

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

html, body {
    height: 100%;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f7fa;
    color: var(--dark-text);
}

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

.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-color) 0%, #0b5ed7 100%);
}

.auth-container {
    width: 100%;
    padding: 15px;
}

.auth-box {
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    padding: 40px;
    max-width: 400px;
    margin: 0 auto;
    animation: slideUp 0.4s ease-out;
}

.brand-title {
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 10px;
    font-size: 28px;
}

.form-label {
    font-weight: 600;
    color: var(--dark-text);
    margin-bottom: 8px;
}

.form-control, .form-select {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 10px 12px;
    font-size: 14px;
    transition: all 0.3s ease;
}

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

.btn {
    border-radius: 8px;
    font-weight: 600;
    padding: 10px 16px;
    transition: all 0.3s ease;
    border: none;
}

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

.btn-primary:hover {
    background-color: #0b5ed7;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(13, 110, 253, 0.3);
}

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

.btn-success:hover {
    background-color: #157347;
    transform: translateY(-2px);
}

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

.btn-danger:hover {
    background-color: #bb2d3b;
}

.btn-sm {
    padding: 6px 10px;
    font-size: 12px;
}

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

.navbar {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    font-weight: 700;
    font-size: 22px;
}

.navbar-text {
    font-size: 14px;
}

.nav-link {
    transition: all 0.3s ease;
    padding: 8px 15px !important;
}

.nav-link:hover {
    opacity: 0.8;
}

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

.card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    margin-bottom: 20px;
}

.card:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
    transform: translateY(-2px);
}

.card-header {
    background-color: white !important;
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    padding: 20px;
}

.card-body {
    padding: 25px;
}

.card-title {
    font-weight: 600;
    color: var(--dark-text);
    margin-bottom: 10px;
}

.card-text {
    line-height: 1.8;
}

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

.table {
    border-collapse: collapse;
    margin-bottom: 0;
}

.table-responsive {
    border-radius: 8px;
    overflow: hidden;
}

.table thead {
    background-color: var(--light-bg);
}

.table th {
    font-weight: 600;
    padding: 15px;
    border: none;
    color: var(--dark-text);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table td {
    padding: 15px;
    border: none;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

.table tbody tr {
    transition: background-color 0.2s ease;
}

.table tbody tr:hover {
    background-color: var(--light-bg);
}

.table code {
    background-color: #f0f0f0;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    color: #d63384;
}

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

.badge {
    padding: 6px 12px;
    font-weight: 600;
    border-radius: 6px;
    font-size: 11px;
}

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

.alert {
    border-radius: 8px;
    border: none;
    padding: 15px 20px;
    animation: slideDown 0.3s ease-out;
}

.alert-danger {
    background-color: #f8d7da;
    color: #842029;
}

.alert-success {
    background-color: #d1e7dd;
    color: #0f5132;
}

.alert-warning {
    background-color: #fff3cd;
    color: #664d03;
}

.alert-info {
    background-color: #cfe2ff;
    color: #084298;
}

.btn-close {
    filter: none;
}

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

.input-group-text {
    background-color: var(--light-bg);
    border: 1px solid var(--border-color);
    color: var(--dark-text);
}

.form-check-input {
    border: 1px solid var(--border-color);
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.form-text {
    font-size: 12px;
    color: var(--secondary-color);
}

/* ============================================
   Modal
   ============================================ */

.modal-content {
    border: none;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

.modal-header {
    border-bottom: 1px solid var(--border-color);
    padding: 20px;
    background-color: var(--light-bg);
}

.modal-title {
    font-weight: 600;
    font-size: 18px;
}

.modal-body {
    padding: 25px;
}

.modal-footer {
    border-top: 1px solid var(--border-color);
    padding: 15px 20px;
    background-color: var(--light-bg);
}

/* ============================================
   Loading Spinner
   ============================================ */

.spinner-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    animation: fadeIn 0.3s ease;
}

.spinner-border {
    width: 50px;
    height: 50px;
}

/* ============================================
   Utility Classes
   ============================================ */

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

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

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

/* ============================================
   Animations
   ============================================ */

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

@media (max-width: 768px) {
    .auth-box {
        padding: 25px;
    }

    .card-body {
        padding: 15px;
    }

    .table th, .table td {
        padding: 12px;
        font-size: 12px;
    }

    .btn {
        padding: 8px 12px;
        font-size: 13px;
    }

    .btn-sm {
        padding: 5px 8px;
        font-size: 11px;
    }

    .navbar {
        padding: 10px 0;
    }

    .container-fluid {
        padding-left: 12px;
        padding-right: 12px;
    }

    h2 {
        font-size: 22px;
    }

    h4 {
        font-size: 18px;
    }
}

@media (max-width: 576px) {
    .auth-box {
        padding: 20px;
    }

    .auth-page {
        padding: 0;
    }

    .table-responsive {
        font-size: 12px;
    }

    .badge {
        font-size: 10px;
        padding: 4px 8px;
    }

    .btn-group-vertical {
        width: 100%;
    }

    .modal-body {
        padding: 15px;
    }

    .card-header h5 {
        font-size: 16px;
    }
}

/* ============================================
   Dark Mode Support (Optional)
   ============================================ */

@media (prefers-color-scheme: dark) {
    body {
        background-color: #1a1a1a;
        color: #e0e0e0;
    }

    .card, .auth-box {
        background-color: #2d2d2d;
        color: #e0e0e0;
    }

    .table {
        color: #e0e0e0;
    }

    .table-hover tbody tr:hover {
        background-color: #3d3d3d;
    }

    .form-control, .form-select {
        background-color: #3d3d3d;
        color: #e0e0e0;
        border-color: #555;
    }

    .input-group-text {
        background-color: #3d3d3d;
        border-color: #555;
    }

    .table code {
        background-color: #3d3d3d;
        color: #ff6b9d;
    }
}