:root {
    --background: #10131a;
    --surface: #10131a;
    --surface-deep: #0b0d12;
    --surface-elevated: #1a1e26;
    --surface-container: #1d2027;
    --surface-container-high: #272a31;
    --surface-container-low: #191b23;
    --primary: #00e5ff;
    --primary-dim: #c3f5ff;
    --on-primary: #00363d;
    --on-surface: #e0e2ec;
    --on-surface-variant: #bac9cc;
    --border-subtle: #2d343f;
    --primary-container: #00e5ff;
    --on-primary-container: #00626e;
    --secondary: #cfbdff;
    --on-surface: #e0e2ec;
    --on-surface-variant: #bac9cc;
    --text-muted: #8e9aaf;
    --border-subtle: #2d343f;
    --outline-variant: #3b494c;
    --status-success: #00ff95;
    --electric-cyan: #00e5ff;
    --status-success: #00ff95;
    --status-warning: #ffc107;
    --status-error: #ff3d00;

}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--background);
    color: var(--on-surface);
    overflow-x: hidden;
    margin: 0;
}

/* Typography */
h1, h2, h3, h4, h5 { font-family: 'Inter', sans-serif; font-weight: 700; }
.text-display-lg { font-size: 48px; line-height: 1.1; letter-spacing: -0.02em; }
.text-headline-md { font-size: 24px; line-height: 1.3; font-weight: 600; }
.text-label-caps { font-family: 'JetBrains Mono', monospace; font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; }
.text-code-sm { font-family: 'JetBrains Mono', monospace; font-size: 14px; line-height: 1.5; }
.text-body-md { font-size: 16px; line-height: 1.6; }
.all-caps {text-transform: uppercase;}
.text-text-muted {
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    font-weight: 700;
    display: block;
}


/* Layout Structure */
.app-wrapper {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

.main-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.main-content {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
}

/* Navbar */
.navbar-custom {
    background-color: rgba(16, 19, 26, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
    padding: 8px 24px;
    z-index: 1050;
}

.nav-link-custom {
    color: var(--on-surface-variant);
    text-decoration: none;
    font-size: 16px;
    transition: color 0.2s;
    padding: 0 16px;
}

.nav-link-custom:hover {
    color: var(--on-surface);
}

.nav-link-custom.active {
    color: var(--primary);
    font-weight: 700;
    border-bottom: 2px solid var(--primary);
    padding-bottom: 4px;
}

.btn-primary-custom {
    background-color: var(--primary);
    color: var(--on-primary);
    border: none;
    padding: 8px 24px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    font-weight: 600;
    border-radius: 2px;
    letter-spacing: 0.1em;
    transition: filter 0.2s;
}

.btn-primary-custom:hover {
    filter: brightness(1.1);
    color: var(--on-primary);
}

/* Sidebar */
.sidebar {
    width: 260px;
    background-color: var(--surface-deep);
    border-right: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.sidebar-header {
    padding: 24px 16px;
    margin-bottom: 24px;
}

.sidebar-label {
    color: var(--primary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    font-weight: 700;
    display: block;
}

.sidebar-version {
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
}

.sidebar-nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    text-decoration: none;
    color: var(--on-surface-variant);
    transition: all 0.2s;
}

.sidebar-nav-item:hover {
    background-color: var(--surface-container);
    color: var(--on-surface);
}

.sidebar-nav-item.active {
    background-color: rgba(0, 229, 255, 0.1);
    color: var(--primary);
    border-left: 2px solid var(--primary);
}

.sidebar-nav-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    font-weight: 600;
}

.sidebar-footer {
    margin-top: auto;
    padding: 24px 16px;
    border-top: 1px solid var(--border-subtle);
}

.status-card {
    background-color: var(--surface-container-high);
    padding: 16px;
    border: 1px solid var(--border-subtle);
    border-radius: 2px;
}

/* Dashboard Elements */
.breadcrumb-tag {
    background-color: rgba(0, 229, 255, 0.1);
    color: var(--primary);
    border-left: 2px solid var(--primary);
    padding: 4px 12px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    display: inline-block;
    margin-bottom: 8px;
}

.display-title {
    font-size: 48px;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}

.lead-text {
    color: var(--on-surface-variant);
    font-size: 16px;
    line-height: 1.6;
    max-width: 800px;
    margin-bottom: 32px;
}

.glow-cyan {
    box-shadow: 0 0 15px rgba(0, 229, 255, 0.15);
}

.dashboard-card {
    background-color: var(--surface-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: 2px;
    overflow: hidden;
}

.card-header-custom {
    background-color: var(--surface-container);
    padding: 8px 16px;
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Simulation View */
.simulation-viewport {
    height: 400px;
    background-image: radial-gradient(circle, #2d343f 1px, transparent 1px);
    background-size: 24px 24px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sim-overlay {
    z-index: 10;
    text-align: center;
}

.antenna-circle {
    width: 96px;
    height: 96px;
    border: 1px solid var(--primary);
    background-color: rgba(11, 13, 18, 0.8);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    position: relative;
}

.pulse-ring {
    position: absolute;
    inset: 0;
    border: 2px solid rgba(0, 229, 255, 0.2);
    border-radius: 50%;
    animation: ping 1.5s cubic-bezier(0, 0, 0.2, 1) infinite;
}

@keyframes ping {
    75%, 100% { transform: scale(1.5); opacity: 0; }
}

.floating-data {
    position: absolute;
    bottom: 16px;
    right: 16px;
    background-color: rgba(11, 13, 18, 0.9);
    border: 1px solid var(--border-subtle);
    padding: 8px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--on-surface-variant);
    backdrop-filter: blur(4px);
}

.card-footer-controls {
    padding: 16px;
    background-color: var(--surface-container-low);
    border-top: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn-outline-custom {
    border: 1px solid var(--border-subtle);
    color: var(--on-surface);
    background: transparent;
    padding: 8px 16px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    border-radius: 2px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-outline-custom:hover {
    background-color: var(--surface-container-high);
    color: var(--on-surface);
}

/* Controls Panel */
.parameter-group {
    margin-bottom: 24px;
}

.parameter-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    display: block;
    margin-bottom: 8px;
}

.custom-range {
    accent-color: var(--primary);
    width: 100%;
    height: 4px;
    background: var(--surface-deep);
    border-radius: 2px;
    appearance: none;
}

.parameter-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    color: var(--primary);
    min-width: 40px;
    text-align: right;
}

.log-container {
    height: 160px;
    overflow-y: auto;
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--text-muted);
}

.log-container p { margin: 0 0 4px; }

/* Code Block */
.code-container {
    background-color: var(--surface-deep);
    border: 1px solid var(--border-subtle);
    border-radius: 2px;
    display: flex;
}

.line-numbers {
    width: 48px;
    background-color: var(--surface-container-low);
    border-right: 1px solid var(--border-subtle);
    padding: 16px 0;
    text-align: center;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    user-select: none;
}

.code-content {
    padding: 16px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    color: var(--on-surface-variant);
    overflow-x: auto;
    white-space: pre;
    line-height: 1.6;
}

/* Footer */
.site-footer {
    background-color: var(--surface-deep);
    border-top: 1px solid var(--border-subtle);
    padding: 48px 24px;
    margin-top: 64px;
}

.site-footer.with-sidebar {
    margin-top: 0;
}


/* Utility */
.material-symbols-outlined {
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
    font-size: 20px;
}

::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--surface-deep); }
::-webkit-scrollbar-thumb { background: #3b494c; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* Bootstrap Switch Override */
.form-check-input:checked {
    background-color: var(--primary);
    border-color: var(--primary);
}