/* DuoGuard Server - macOS Glassmorphism (Black & White) */

:root {
    --bg-primary: #000000;
    --bg-secondary: rgba(255, 255, 255, 0.03);
    --bg-card: rgba(255, 255, 255, 0.05);
    --card-border: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: #999999;
    --text-muted: #666666;
    --accent: #ffffff;
    --accent-bg: rgba(255, 255, 255, 0.08);
    --success: #22c55e;
    --success-bg: rgba(34, 197, 94, 0.12);
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.12);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.12);
}

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

body {
    font-family: -apple-system, 'SF Pro Display', 'SF Pro Text', system-ui, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(145deg, #000000 0%, #080808 30%, #111111 70%, #0a0a0a 100%);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

.sidebar {
    width: 200px;
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-right: 1px solid rgba(255, 255, 255, 0.08);
    padding: 20px 12px;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 100;
}

.sidebar-logo {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    padding: 0 8px 20px;
    letter-spacing: 2px;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 12px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
}

.nav-item.active {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    font-weight: 600;
    border-left: 2px solid rgba(255, 255, 255, 0.5);
}

.main {
    flex: 1;
    margin-left: 200px;
    padding: 24px 32px;
}

/* Header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.page-header h1 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
}

/* Cards */
.card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 20px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    border-color: rgba(255, 255, 255, 0.18);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.card h3 {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 600;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.card .value {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
}

.card .sub {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Status colors */
.status-online { color: var(--success); }
.status-offline { color: var(--danger); }
.status-locked { color: var(--warning); }

/* Badges */
.badge {
    display: inline-block;
    padding: 3px 12px;
    border-radius: 24px;
    font-size: 11px;
    font-weight: 600;
}

.badge-success { background: var(--success-bg); color: var(--success); }
.badge-danger { background: var(--danger-bg); color: var(--danger); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }
.badge-accent { background: rgba(255, 255, 255, 0.08); color: var(--text-secondary); }

/* Tables */
.table-container {
    overflow-x: auto;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

thead {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
}

th {
    text-align: left;
    padding: 12px 16px;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

td {
    padding: 10px 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
}

tr:hover td {
    background: rgba(255, 255, 255, 0.03);
}

/* Forms */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

input[type="text"],
input[type="password"],
input[type="number"],
input[type="date"],
textarea,
select {
    width: 100%;
    padding: 10px 14px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 13px;
    font-family: inherit;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input:focus,
textarea:focus,
select:focus {
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.05);
}

textarea {
    resize: vertical;
    min-height: 80px;
}

select option {
    background: #1a1a1a;
    color: var(--text-primary);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 8px 18px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.2s ease;
    text-decoration: none;
    text-align: center;
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
}

.btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.25);
    box-shadow: 0 0 16px rgba(255, 255, 255, 0.06);
}

.btn-accent {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-accent:hover {
    background: rgba(255, 255, 255, 0.14);
    border-color: rgba(255, 255, 255, 0.35);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.06);
}

.btn-success {
    background: var(--success-bg);
    color: var(--success);
    border: 1px solid rgba(34, 197, 94, 0.25);
}

.btn-success:hover {
    background: rgba(34, 197, 94, 0.2);
    border-color: rgba(34, 197, 94, 0.4);
}

.btn-danger {
    background: var(--danger-bg);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.25);
}

.btn-danger:hover {
    background: rgba(239, 68, 68, 0.2);
    border-color: rgba(239, 68, 68, 0.4);
}

/* Filters */
.filters {
    display: flex;
    gap: 12px;
    align-items: end;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.filters .form-group {
    margin-bottom: 0;
}

/* Theme chips */
.theme-chips {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.theme-chip {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    font-size: 12px;
    color: var(--text-secondary);
}

.theme-chip .count {
    font-weight: 700;
    color: var(--text-primary);
}

/* Alerts list */
.alert-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

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

.alert-icon {
    width: 32px;
    height: 32px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 14px;
    font-weight: 700;
}

.alert-icon.warn { background: var(--warning-bg); color: var(--warning); }
.alert-icon.danger { background: var(--danger-bg); color: var(--danger); }

.alert-details {
    flex: 1;
}

.alert-type {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

.alert-desc {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}

.alert-time {
    font-size: 11px;
    color: var(--text-muted);
    white-space: nowrap;
}

/* Login page */
.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(145deg, #000000 0%, #080808 50%, #111111 100%);
}

.login-box {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 40px;
    width: 360px;
    text-align: center;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.login-box h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
    letter-spacing: 3px;
}

.login-box p {
    color: var(--text-muted);
    font-size: 13px;
    margin-bottom: 24px;
}

.flash-message {
    background: var(--danger-bg);
    color: var(--danger);
    padding: 8px 16px;
    border-radius: 12px;
    font-size: 12px;
    margin-bottom: 16px;
}

/* Settings grid */
.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

/* Install page */
.install-step {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 14px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.install-step:last-child {
    border-bottom: none;
}

.step-num {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    flex-shrink: 0;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.step-title {
    font-weight: 600;
    font-size: 14px;
    color: var(--text-primary);
}

.step-desc {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}

.download-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.download-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

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

.download-icon {
    color: var(--text-secondary);
    flex-shrink: 0;
}

.download-info {
    flex: 1;
}

.download-name {
    font-weight: 600;
    font-size: 14px;
    color: var(--text-primary);
}

.download-size {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 1px;
}

/* Code blocks */
code {
    background: rgba(255, 255, 255, 0.06);
    padding: 2px 6px;
    border-radius: 6px;
    font-size: 12px;
    color: var(--text-secondary);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.12);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        width: 60px;
        padding: 20px 8px;
    }
    .sidebar-logo {
        font-size: 14px;
        text-align: center;
        padding-bottom: 16px;
    }
    .nav-item span {
        display: none;
    }
    .main {
        margin-left: 60px;
        padding: 16px;
    }
    .card-grid {
        grid-template-columns: 1fr;
    }
    .settings-grid {
        grid-template-columns: 1fr;
    }
}