:root {
    --bg-color: #050505;
    --bg-gradient-1: #0f172a;
    --bg-gradient-2: #020617;
    --glass-bg: rgba(15, 23, 42, 0.4);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-highlight: rgba(255, 255, 255, 0.15);
    
    --primary: #4338ca;
    --primary-glow: rgba(67, 56, 202, 0.5);
    --primary-hover: #4f46e5;
    
    --accent: #8b5cf6;
    --accent-glow: rgba(139, 92, 246, 0.5);
    
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    
    --success: #10b981;
    --success-glow: rgba(16, 185, 129, 0.4);
    
    --danger: #ef4444;
    --danger-glow: rgba(239, 68, 68, 0.4);
    
    --card-radius: 20px;
    --btn-radius: 12px;
    --transition-speed: 0.3s;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Outfit', 'Inter', sans-serif;
}

body {
    background-color: #000000;
    background: radial-gradient(circle at top left, #1a1a1a, #000000 60%),
                radial-gradient(circle at bottom right, #0d0d0d, #000000 60%);
    background-size: cover;
    background-attachment: fixed;
    color: var(--text-main);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: rgba(0,0,0,0.2);
}
::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.1);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(255,255,255,0.2);
}

.glassmorphism {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--card-radius);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed), border-color var(--transition-speed);
}

.glassmorphism:hover {
    border-color: var(--glass-highlight);
    box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.4), 0 0 20px 0 rgba(139, 92, 246, 0.1);
}

/* Login */
.login-body {
    display: flex;
    justify-content: center;
    align-items: center;
    background: url('https://www.transparenttextures.com/patterns/stardust.png'), linear-gradient(135deg, #0f172a, #020617);
}
.login-container {
    padding: 50px 40px;
    width: 100%;
    max-width: 420px;
    text-align: center;
    animation: floatIn 0.8s ease-out;
}
@keyframes floatIn {
    0% { transform: translateY(30px); opacity: 0; }
    100% { transform: translateY(0); opacity: 1; }
}
.login-container h2 {
    margin-bottom: 30px;
    font-size: 2rem;
    font-weight: 600;
    background: linear-gradient(to right, #8b5cf6, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.login-container input {
    width: 100%;
    padding: 16px;
    margin-bottom: 24px;
    border-radius: var(--btn-radius);
    border: 1px solid var(--glass-border);
    background: rgba(0,0,0,0.3);
    color: white;
    font-size: 1rem;
    outline: none;
    transition: all var(--transition-speed);
}
.login-container input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 15px var(--accent-glow);
    background: rgba(0,0,0,0.5);
}

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

/* Sidebar */
.sidebar {
    width: 280px;
    padding: 30px 24px;
    margin: 20px;
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 20px;
    height: calc(100vh - 40px);
}
.sidebar h2 {
    font-size: 1.8rem;
    margin-bottom: 40px;
    text-transform: uppercase;
    letter-spacing: 2px;
    background: linear-gradient(135deg, #a78bfa, #818cf8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: flex;
    align-items: center;
    gap: 10px;
}
.sidebar nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-muted);
    text-decoration: none;
    padding: 14px 18px;
    border-radius: var(--btn-radius);
    margin-bottom: 12px;
    transition: all var(--transition-speed);
    font-weight: 500;
}
.sidebar nav a:hover, .sidebar nav a.active {
    background: rgba(139, 92, 246, 0.15);
    color: white;
    box-shadow: inset 3px 0 0 var(--accent);
    transform: translateX(5px);
}

.status-card {
    margin-top: auto;
    padding: 20px;
    background: rgba(0, 0, 0, 0.4);
    border-radius: var(--btn-radius);
    font-size: 0.95em;
    border: 1px solid var(--glass-border);
}
.status-card p {
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.status-card p:last-child {
    margin-bottom: 0;
}

/* Status Badges */
.status-badge {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.status-badge.active {
    background: var(--success-glow);
    color: var(--success);
    border: 1px solid var(--success);
}
.status-badge.active::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--success);
    box-shadow: 0 0 8px var(--success);
    animation: pulse 1.5s infinite;
}
.status-badge.stopped {
    background: var(--danger-glow);
    color: var(--danger);
    border: 1px solid var(--danger);
}
@keyframes pulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 20px 30px 30px 10px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}
header h1 {
    font-size: 2.2rem;
    font-weight: 600;
    margin-bottom: 10px;
    letter-spacing: -0.5px;
}

/* Cards */
.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--glass-border);
    background: rgba(255,255,255,0.02);
    border-top-left-radius: var(--card-radius);
    border-top-right-radius: var(--card-radius);
}
.card-header h2 {
    font-size: 1.2rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Dark Silver Core Visuals */
.silver-header {
    background: linear-gradient(135deg, #111111, #222222);
    border-bottom: 1px solid rgba(192, 192, 192, 0.1);
}
.silver-header h2 {
    background: linear-gradient(to right, #ffffff, #888888);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.core-container {
    padding: 0;
    position: relative;
    background: radial-gradient(circle at center, #1a1f24, #050505);
    border: 1px solid rgba(192, 192, 192, 0.15);
}
.core-visual {
    height: 350px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
}
.core-ring {
    position: absolute;
    border-radius: 50%;
    border: 2px solid transparent;
}
.core-ring.outer {
    width: 220px;
    height: 220px;
    border-top-color: #c0c0c0;
    border-bottom-color: #c0c0c0;
    animation: spin 8s linear infinite;
    box-shadow: 0 0 20px rgba(192, 192, 192, 0.1);
}
.core-ring.middle {
    width: 150px;
    height: 150px;
    border-left-color: #e2e8f0;
    border-right-color: #e2e8f0;
    animation: spin-reverse 4s linear infinite;
}
.core-center {
    width: 80px;
    height: 80px;
    background: radial-gradient(circle, #f8fafc, #64748b);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2rem;
    color: #000;
    box-shadow: 0 0 30px rgba(226, 232, 240, 0.8);
    animation: pulse-core 2s ease-in-out infinite;
}

@keyframes spin { 100% { transform: rotate(360deg); } }
@keyframes spin-reverse { 100% { transform: rotate(-360deg); } }
@keyframes pulse-core {
    0% { transform: scale(0.95); box-shadow: 0 0 20px rgba(226,232,240,0.5); }
    50% { transform: scale(1.05); box-shadow: 0 0 50px rgba(226,232,240,1); }
    100% { transform: scale(0.95); box-shadow: 0 0 20px rgba(226,232,240,0.5); }
}

.core-stats {
    display: flex;
    justify-content: space-around;
    padding: 25px;
    background: rgba(0,0,0,0.8);
    border-top: 1px solid rgba(192, 192, 192, 0.1);
    border-bottom-left-radius: var(--card-radius);
    border-bottom-right-radius: var(--card-radius);
}
.stat-box {
    text-align: center;
}
.stat-box span {
    display: block;
    font-size: 0.85rem;
    color: #94a3b8;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 2px;
}
.stat-box strong {
    font-size: 1.3rem;
    color: #ffffff;
    font-family: 'JetBrains Mono', monospace;
    text-shadow: 0 0 10px rgba(255,255,255,0.3);
}

/* Logs */
.logs-window {
    background: rgba(0, 0, 0, 0.5);
    padding: 20px;
    height: 300px;
    overflow-y: auto;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    color: #cbd5e1;
    display: flex;
    flex-direction: column;
    gap: 12px;
    border-bottom-left-radius: var(--card-radius);
    border-bottom-right-radius: var(--card-radius);
}
.log-entry {
    background: rgba(255, 255, 255, 0.03);
    padding: 14px 18px;
    border-radius: var(--btn-radius);
    border-left: 4px solid var(--accent);
    line-height: 1.5;
    white-space: pre-wrap;
    transition: transform 0.2s;
}
.log-entry:hover {
    transform: translateX(4px);
    background: rgba(255, 255, 255, 0.05);
}
.log-time {
    font-size: 0.75rem;
    color: #64748b;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Config Panel */
.config-panel {
    padding: 0;
}
.form-body {
    padding: 30px;
}
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    margin-bottom: 24px;
}
.input-group label {
    display: block;
    font-size: 0.9em;
    color: var(--text-muted);
    margin-bottom: 10px;
    font-weight: 500;
}
.input-group input {
    width: 100%;
    padding: 14px 16px;
    border-radius: var(--btn-radius);
    border: 1px solid rgba(255,255,255,0.1);
    background: rgba(0,0,0,0.3);
    color: white;
    font-size: 1rem;
    outline: none;
    transition: all var(--transition-speed);
}
.input-group input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
    background: rgba(0,0,0,0.5);
}

.btn {
    padding: 14px 28px;
    border-radius: var(--btn-radius);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all var(--transition-speed);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    justify-content: center;
}
.btn.primary {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    box-shadow: 0 4px 15px var(--primary-glow);
    width: 100%;
}
.btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--accent-glow);
    background: linear-gradient(135deg, var(--primary-hover), #9f7aea);
}
.btn.primary:active {
    transform: translateY(1px);
}

.success-msg {
    color: var(--success);
    margin-top: 15px;
    font-size: 0.95em;
    text-align: center;
    font-weight: 500;
    min-height: 20px;
}

/* Top Header & Mobile Menu */
.top-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-main);
    font-size: 1.8rem;
    cursor: pointer;
    transition: color var(--transition-speed);
}
.mobile-menu-btn:hover {
    color: var(--primary);
}
.close-menu-btn {
    display: none;
}

/* Responsive Design */
@media (max-width: 900px) {
    .dashboard {
        flex-direction: column;
    }
    .mobile-menu-btn {
        display: block;
    }
    .sidebar {
        display: none; /* Hidden by default */
        width: 100%;
        height: auto;
        position: absolute;
        top: 80px;
        left: 0;
        z-index: 1000;
        background: rgba(5, 5, 5, 0.98);
        border: 1px solid var(--glass-border);
        border-radius: 0;
        margin: 0;
        padding: 20px;
        box-shadow: 0 10px 30px rgba(0,0,0,0.8);
    }
    .close-menu-btn {
        display: block;
        position: absolute;
        top: 25px;
        right: 25px;
        background: none;
        border: none;
        color: var(--text-muted);
        font-size: 1.5rem;
        cursor: pointer;
    }
    .close-menu-btn:hover {
        color: var(--danger);
    }
    .sidebar.open {
        display: flex !important;
    }
    .main-content {
        padding: 15px;
    }
    .core-visual {
        transform: scale(0.85);
        height: 250px;
    }
    .core-stats {
        flex-direction: column;
        gap: 20px;
    }
}