/* ========================================
   VPS Platform - Theme sombre, accents bleus
   ======================================== */

/* --- Variables --- */
:root {
    --bg: #0f1117;
    --bg-card: #1a1d27;
    --bg-input: #252830;
    --text: #e4e6eb;
    --text-muted: #8b8fa3;
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --success: #22c55e;
    --warning: #f59e0b;
    --danger: #ef4444;
    --border: #2d3140;
    --radius: 8px;
    --radius-lg: 12px;
}

/* --- Reset --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* --- Base --- */
body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s;
}

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

h1, h2, h3 {
    font-weight: 600;
    line-height: 1.3;
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.25rem; margin-bottom: 1rem; }
h3 { font-size: 1.1rem; }

/* --- Navbar --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(15, 17, 23, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.nav-container {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    height: 60px;
}

.nav-logo {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.5px;
}

.nav-logo:hover {
    color: var(--primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.nav-link {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-link:hover {
    color: var(--text);
}

.nav-email {
    color: var(--text);
    font-size: 0.9rem;
    font-weight: 500;
}

/* --- Main --- */
main {
    max-width: 1100px;
    margin: 0 auto;
    padding: 80px 1.5rem 3rem;
}

/* --- Cards --- */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    border: 1px solid var(--border);
    margin-bottom: 1.5rem;
}

/* --- Forms --- */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-muted);
}

input[type="email"],
input[type="password"],
input[type="text"],
input[type="number"],
select,
textarea {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px;
    color: var(--text);
    font-size: 0.95rem;
    font-family: inherit;
    transition: border-color 0.2s;
    outline: none;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--primary);
}

input::placeholder {
    color: var(--text-muted);
}

select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238b8fa3' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

select option {
    background: var(--bg-card);
    color: var(--text);
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
    text-decoration: none;
    color: #fff;
}

.btn:hover {
    transform: translateY(-1px);
    color: #fff;
}

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

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

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

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

.btn-danger:hover {
    background: #dc2626;
}

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

.btn-success:hover {
    background: #16a34a;
}

.btn-warning {
    background: var(--warning);
    color: #000;
}

.btn-warning:hover {
    background: #d97706;
    color: #000;
}

.btn-info {
    background: #06b6d4;
}

.btn-info:hover {
    background: #0891b2;
}

.btn-secondary {
    background: var(--bg-input);
    color: var(--text);
    border: 1px solid var(--border);
}

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

.btn-copy {
    background: var(--bg-input);
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-copy:hover {
    background: var(--border);
    color: var(--text);
}

.btn-sm {
    padding: 6px 14px;
    font-size: 0.8rem;
}

.btn-block {
    width: 100%;
}

.btn-link {
    display: inline-block;
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 500;
    margin-top: 0.75rem;
    text-decoration: none;
}

.btn-link:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

/* --- Auth pages --- */
.auth-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 120px);
}

.auth-card {
    width: 100%;
    max-width: 420px;
}

.auth-card h1 {
    text-align: center;
    margin-bottom: 1.5rem;
}

.auth-switch {
    text-align: center;
    margin-top: 1.25rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* --- Error / Hidden --- */
.error {
    color: var(--danger);
    font-size: 0.875rem;
    margin-bottom: 0.75rem;
    padding: 0.5rem;
    border-radius: var(--radius);
    background: rgba(239, 68, 68, 0.1);
}

.hidden {
    display: none !important;
}

/* --- Toast --- */
.toast {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    padding: 12px 24px;
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text);
    background: var(--bg-card);
    border: 1px solid var(--border);
    z-index: 1000;
    max-width: 400px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    transition: opacity 0.3s ease, transform 0.3s ease;
    opacity: 1;
    transform: translateY(0);
}

.toast.hidden {
    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
}

.toast-success {
    border-color: var(--success);
    background: rgba(34, 197, 94, 0.15);
}

.toast-error {
    border-color: var(--danger);
    background: rgba(239, 68, 68, 0.15);
}

.toast-info {
    border-color: var(--primary);
    background: rgba(59, 130, 246, 0.15);
}

/* --- Status badges --- */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-running {
    background: rgba(34, 197, 94, 0.15);
    color: var(--success);
}

.badge-stopped {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
}

.badge-pending {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
}

.badge-creating {
    background: rgba(59, 130, 246, 0.15);
    color: var(--primary);
}

.badge-deleting {
    background: rgba(239, 68, 68, 0.1);
    color: #f87171;
}

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

/* --- Dashboard --- */
.dashboard-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.create-vps-section {
    margin-bottom: 2rem;
}

.create-vps-form {
    display: flex;
    gap: 1rem;
    align-items: flex-end;
}

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

.vps-section {
    margin-bottom: 2rem;
}

.vps-section h2 {
    margin-bottom: 1rem;
    color: var(--text-muted);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* --- VPS Grid --- */
.vps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
}

.vps-card {
    margin-bottom: 0;
}

.vps-card-header,
.vps-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
}

.vps-card-body {
    margin-bottom: 1rem;
}

.vps-card p,
.vps-card .vps-details p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0.3rem;
}

.vps-card p strong {
    color: var(--text);
}

.vps-info-row {
    display: flex;
    justify-content: space-between;
    padding: 0.35rem 0;
    font-size: 0.9rem;
}

.vps-info-row .label {
    color: var(--text-muted);
}

.vps-card-actions,
.vps-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border);
    margin-top: 0.75rem;
}

/* --- VPS Detail --- */
.vps-detail {
    max-width: 900px;
}

.detail-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.vps-details {
    margin-top: 1rem;
}

.vps-details p {
    padding: 0.4rem 0;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--border);
}

.vps-details p:last-child {
    border-bottom: none;
}

.info-list {
    display: flex;
    flex-direction: column;
}

.info-item {
    display: flex;
    justify-content: space-between;
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

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

.info-item .label {
    color: var(--text-muted);
}

/* --- SSH command --- */
.ssh-command {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--bg-input);
    border-radius: var(--radius);
    padding: 0.75rem 1rem;
    margin-bottom: 0.75rem;
}

.ssh-command code {
    flex: 1;
    font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
    font-size: 0.85rem;
    color: var(--success);
    word-break: break-all;
}

/* --- Stats --- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

.stat-item,
.stat-card {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    background: var(--bg-input);
    border-radius: var(--radius);
    padding: 1rem;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text);
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--bg);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--primary);
    border-radius: 4px;
    transition: width 0.3s ease;
}

.actions-row {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* --- Admin --- */
.admin h1 {
    margin-bottom: 1.5rem;
}

.overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 1rem;
}

.overview-card {
    background: var(--bg-input);
    border-radius: var(--radius);
    padding: 1rem;
    text-align: center;
}

.overview-value {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.2;
}

.overview-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Pending requests */
.pending-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    background: var(--bg-input);
    border-radius: var(--radius);
    margin-bottom: 0.75rem;
}

.pending-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

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

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

table,
.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

thead th,
.table thead th {
    text-align: left;
    padding: 0.75rem 1rem;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

tbody td,
.table tbody td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
}

tbody tr:last-child td,
.table tbody tr:last-child td {
    border-bottom: none;
}

tbody tr:hover,
.table tbody tr:hover {
    background: rgba(59, 130, 246, 0.04);
}

/* --- Modal (approve VPS) --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    padding: 1.5rem;
}

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

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

.modal-header h3 {
    margin: 0;
}

.modal-body {
    padding: 1.5rem;
}

.modal-warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: var(--warning);
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.modal-info {
    margin-bottom: 1rem;
}

.modal-info p {
    font-size: 0.9rem;
    margin-bottom: 0.3rem;
}

.modal-info strong {
    color: var(--text-muted);
}

.private-key-display {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem;
    font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
    font-size: 0.75rem;
    color: var(--success);
    white-space: pre-wrap;
    word-break: break-all;
    margin-bottom: 1rem;
    max-height: 200px;
    overflow-y: auto;
}

/* --- Utility --- */
.text-muted {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.empty-state,
.empty-message {
    color: var(--text-muted);
    text-align: center;
    padding: 2rem;
    font-size: 0.9rem;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 1rem;
    }

    .nav-links {
        gap: 0.75rem;
    }

    .nav-link, .nav-email {
        font-size: 0.8rem;
    }

    main {
        padding: 72px 1rem 2rem;
    }

    h1 {
        font-size: 1.4rem;
    }

    .detail-grid {
        grid-template-columns: 1fr;
    }

    .vps-grid {
        grid-template-columns: 1fr;
    }

    .create-vps-form {
        flex-direction: column;
    }

    .create-vps-form .btn {
        width: 100%;
    }

    .overview-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .pending-item {
        flex-direction: column;
        gap: 0.75rem;
        align-items: flex-start;
    }

    table, .table {
        font-size: 0.8rem;
    }

    thead th, tbody td,
    .table thead th, .table tbody td {
        padding: 0.5rem 0.6rem;
    }

    .modal {
        max-width: 100%;
        margin: 1rem;
    }
}

@media (max-width: 480px) {
    .nav-container {
        flex-wrap: wrap;
        height: auto;
        padding: 0.75rem 1rem;
        gap: 0.5rem;
    }

    .nav-links {
        flex-wrap: wrap;
        justify-content: flex-end;
    }

    .vps-card-actions,
    .vps-actions {
        flex-direction: column;
    }

    .vps-card-actions .btn,
    .vps-actions .btn {
        width: 100%;
    }

    .overview-grid {
        grid-template-columns: 1fr 1fr;
    }

    .actions-row {
        flex-direction: column;
    }

    .actions-row .btn {
        width: 100%;
    }

    .ssh-command {
        flex-direction: column;
        align-items: flex-start;
    }
}