/* FrpPanel Styles */
:root {
    --bg: #0f172a;
    --sidebar-bg: #1e293b;
    --card-bg: #1e293b;
    --text: #e2e8f0;
    --text-muted: #94a3b8;
    --border: #334155;
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --danger: #ef4444;
    --success: #22c55e;
    --warning: #f59e0b;
    --radius: 8px;
}

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

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

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

/* Sidebar */
.sidebar {
    width: 240px;
    background: var(--sidebar-bg);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 100;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-header h1 {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
}

.sidebar-header .version {
    font-size: 11px;
    color: var(--text-muted);
    background: var(--bg);
    padding: 2px 6px;
    border-radius: 4px;
}

.sidebar-nav {
    flex: 1;
    padding: 12px 0;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    color: var(--text-muted);
    text-decoration: none;
    transition: all 0.2s;
    font-size: 14px;
    border-left: 3px solid transparent;
}

.nav-item:hover {
    color: var(--text);
    background: rgba(59,130,246,0.1);
}

.nav-item.active {
    color: var(--primary);
    background: rgba(59,130,246,0.15);
    border-left-color: var(--primary);
}

.nav-item .icon { font-size: 16px; }

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border);
    font-size: 12px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}

.online-status { font-size: 10px; }
.online-status.online { color: var(--success); }
.online-status.offline { color: var(--danger); }

.logout-btn {
    margin-left: auto;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 12px;
    padding: 4px 8px;
    border-radius: 4px;
}
.logout-btn:hover { color: var(--danger); background: rgba(239,68,68,0.1); }

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 240px;
    padding: 24px;
}

.page-content { max-width: 1200px; }

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

.page-header h2 { font-size: 22px; font-weight: 600; }

.header-actions { display: flex; gap: 8px; }

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.stat-icon { font-size: 28px; }

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

.stat-value {
    font-size: 24px;
    font-weight: 700;
    line-height: 1.2;
}

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

/* Cards */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 20px;
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}

.card-header h3 { font-size: 16px; font-weight: 600; }

.card-body { padding: 20px; }

.card-footer {
    padding: 12px 20px;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 8px;
}

/* Buttons */
.btn {
    padding: 8px 16px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text);
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.btn:hover { background: rgba(255,255,255,0.05); }

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

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

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

.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-block { width: 100%; }

/* Data Table */
.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th {
    padding: 12px 16px;
    text-align: left;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border);
    background: var(--sidebar-bg);
}

.data-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
}

.data-table tr:hover td { background: rgba(59,130,246,0.03); }
.data-table tr:last-child td { border-bottom: none; }

.data-table code {
    background: var(--bg);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 12px;
}

/* Status Dots */
.status-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 6px;
}
.status-dot.online { background: var(--success); box-shadow: 0 0 6px rgba(34,197,94,0.5); }
.status-dot.offline { background: var(--danger); }

/* Badge */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
}
.badge-tcp, .badge-TCP { background: rgba(59,130,246,0.2); color: #60a5fa; }
.badge-udp, .badge-UDP { background: rgba(139,92,246,0.2); color: #a78bfa; }
.badge-http, .badge-HTTP { background: rgba(34,197,94,0.2); color: #4ade80; }
.badge-https, .badge-HTTPS { background: rgba(245,158,11,0.2); color: #fbbf24; }

/* Info Table */
.info-table { width: 100%; }
.info-table td {
    padding: 10px 16px;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
}
.info-table td:first-child {
    color: var(--text-muted);
    width: 160px;
}

/* Forms */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; margin-bottom: 6px; color: var(--text-muted); }
.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    border-color: var(--primary);
}
.form-group small { display: block; font-size: 11px; color: var(--text-muted); margin-top: 4px; }

.form-row {
    display: flex;
    gap: 24px;
    align-items: center;
}
.form-row label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    cursor: pointer;
}
.form-row input[type="checkbox"] { width: auto; }

/* Code Editor */
.code-editor {
    width: 100%;
    min-height: 400px;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 13px;
    line-height: 1.5;
    padding: 16px;
    background: #0a0f1e;
    border: 1px solid var(--border);
    border-radius: 6px;
    color: #e2e8f0;
    resize: vertical;
    tab-size: 2;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    width: 500px;
    max-width: 90vw;
    max-height: 85vh;
    overflow-y: auto;
}

.modal-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 { font-size: 16px; }
.modal-close { background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: 18px; }
.modal-body { padding: 20px; }
.modal-footer {
    padding: 12px 20px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

/* Alert */
.alert {
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 16px;
    font-size: 13px;
}
.alert-success { background: rgba(34,197,94,0.1); border: 1px solid rgba(34,197,94,0.3); color: #4ade80; }
.alert-error { background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3); color: #f87171; }
.alert-warning { background: rgba(245,158,11,0.1); border: 1px solid rgba(245,158,11,0.3); color: #fbbf24; }
.alert-info { background: rgba(59,130,246,0.1); border: 1px solid rgba(59,130,246,0.3); color: #60a5fa; }

/* Utils */
.text-center { text-align: center; }
.text-green { color: var(--success); }
.text-red { color: var(--danger); }

/* Login */
.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
}

.login-container { width: 380px; }

.login-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 40px;
}

.login-header { text-align: center; margin-bottom: 32px; }
.login-header h1 { font-size: 28px; color: var(--primary); margin-bottom: 4px; }
.login-header p { color: var(--text-muted); font-size: 14px; }

.error-msg {
    background: rgba(239,68,68,0.1);
    border: 1px solid rgba(239,68,68,0.3);
    color: #f87171;
    padding: 10px;
    border-radius: 6px;
    margin-bottom: 16px;
    font-size: 13px;
}

/* Actions */
.action-buttons { display: flex; gap: 8px; flex-wrap: wrap; }