:root {
    --bg-color: #0f1115;
    --panel-bg: rgba(25, 28, 36, 0.6);
    --panel-border: rgba(255, 255, 255, 0.05);
    --text-primary: #f0f2f5;
    --text-secondary: #a0a5b1;
    --accent-primary: #3b82f6;
    --accent-hover: #2563eb;
    --success: #10b981;
    --success-hover: #059669;
    --danger: #ef4444;
    --danger-hover: #dc2626;
    --warning: #f59e0b;
    --input-bg: rgba(15, 17, 21, 0.8);
    --blur: blur(12px);
    --transition: all 0.2s ease-in-out;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    background-image: 
        radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(16, 185, 129, 0.1) 0px, transparent 50%);
    background-attachment: fixed;
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

.app-container {
    display: flex;
    height: 100vh;
    max-width: 1600px;
    margin: 0 auto;
    padding: 20px;
    gap: 20px;
}

/* Glassmorphism utility */
.glass-panel {
    background: var(--panel-bg);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    border: 1px solid var(--panel-border);
    border-radius: 16px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

/* Sidebar */
.sidebar {
    width: 300px;
    display: flex;
    flex-direction: column;
    padding: 24px;
    flex-shrink: 0;
    overflow-y: auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 32px;
    color: var(--accent-primary);
    font-size: 1.2rem;
}

.sidebar-section {
    margin-bottom: 28px;
}

.sidebar-section h3 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.input-group {
    margin-bottom: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.input-group label {
    font-size: 0.9rem;
}

.glass-input {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--panel-border);
    color: var(--text-primary);
    padding: 10px 12px;
    border-radius: 8px;
    font-family: 'Inter', sans-serif;
    outline: none;
    transition: var(--transition);
}

.glass-input:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.slider {
    width: 100%;
    accent-color: var(--accent-primary);
    cursor: pointer;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 16px;
    border: none;
    border-radius: 8px;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    color: white;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary { background: var(--accent-primary); }
.btn-primary:hover:not(:disabled) { background: var(--accent-hover); }

.btn-secondary { background: rgba(255, 255, 255, 0.1); }
.btn-secondary:hover:not(:disabled) { background: rgba(255, 255, 255, 0.2); }

.btn-success { background: var(--success); }
.btn-success:hover:not(:disabled) { background: var(--success-hover); }

.btn-danger { background: var(--danger); }
.btn-danger:hover:not(:disabled) { background: var(--danger-hover); }

.mt-1 { margin-top: 8px; }

.controls {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: auto;
}

.server-status {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 20px;
    padding: 12px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    font-weight: 500;
}

.status-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}
.status-indicator.offline { background: var(--danger); box-shadow: 0 0 8px var(--danger); }
.status-indicator.online { background: var(--success); box-shadow: 0 0 8px var(--success); }

/* Main Content */
.main-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 20px;
    min-width: 0;
    min-height: 0;
}

.tabs {
    display: flex;
    padding: 8px;
    gap: 8px;
}

.tab-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 10px 20px;
    border-radius: 8px;
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.tab-btn:hover { color: var(--text-primary); background: rgba(255, 255, 255, 0.05); }
.tab-btn.active { color: var(--text-primary); background: rgba(255, 255, 255, 0.1); }

.tab-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    padding: 24px;
    overflow: hidden;
}

/* Console */
.console-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.btn-icon {
    background: transparent;
    color: var(--text-secondary);
    border: none;
    cursor: pointer;
    font-size: 1.2rem;
    transition: var(--transition);
}
.btn-icon:hover { color: var(--danger); transform: scale(1.1); }

.console-container {
    flex-grow: 1;
    min-height: 0;
    background: #000;
    border-radius: 8px;
    border: 1px solid var(--panel-border);
    padding: 16px;
    overflow-y: auto;
    overflow-x: hidden;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: #e2e8f0;
    line-height: 1.5;
    margin-bottom: 16px;
    box-shadow: inset 0 2px 10px rgba(0,0,0,0.5);
}

#console-output {
    white-space: pre-wrap;
    word-break: break-word;
}

.console-container::-webkit-scrollbar { width: 8px; }
.console-container::-webkit-scrollbar-track { background: rgba(255,255,255,0.05); border-radius: 4px; }
.console-container::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.2); border-radius: 4px; }

.command-input-container {
    display: flex;
    gap: 12px;
}

/* Settings */
.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.settings-card {
    padding: 20px;
    background: rgba(25, 28, 36, 0.4);
}

.setting-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

/* Toggle Switch */
.switch {
    position: relative;
    display: inline-block;
    width: 46px;
    height: 24px;
}
.switch input { opacity: 0; width: 0; height: 0; }
.slider-toggle {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: rgba(255,255,255,0.1);
    transition: .4s;
    border-radius: 24px;
}
.slider-toggle:before {
    position: absolute;
    content: "";
    height: 18px; width: 18px;
    left: 3px; bottom: 3px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}
input:checked + .slider-toggle { background-color: var(--accent-primary); }
input:checked + .slider-toggle:before { transform: translateX(22px); }

.settings-actions {
    margin-top: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.success-msg { color: var(--success); font-size: 0.9rem; }

/* Toast */
#toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 9999;
}

.toast {
    background: var(--panel-bg);
    backdrop-filter: var(--blur);
    border: 1px solid var(--panel-border);
    padding: 12px 20px;
    border-radius: 8px;
    color: white;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    animation: slideIn 0.3s ease forwards;
}

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes fadeOut {
    to { opacity: 0; transform: translateY(10px); }
}

/* Login Overlay */
.login-overlay {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.login-box {
    width: 100%;
    max-width: 400px;
    padding: 40px;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.login-box h2 {
    font-size: 1.8rem;
    color: var(--text-primary);
}

.login-box p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.login-icon {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 10px;
}

@media (max-width: 768px) {
    .app-container { flex-direction: column; height: auto; }
    .sidebar { width: 100%; }
    .tab-content { height: 600px; }
}