/* ==========================================================================
   DESKTOP WIRE EDM INTERACTIVE DASHBOARD - DESIGN SYSTEM (index.css)
   ========================================================================== */

/* 1. CORE DESIGN TOKENS */
:root {
    --bg-main: hsl(220, 24%, 6%);
    --bg-panel: hsla(220, 20%, 10%, 0.7);
    --bg-panel-solid: hsl(220, 20%, 10%);
    --border-color: hsla(220, 15%, 20%, 0.4);
    --border-glow: hsla(180, 100%, 50%, 0.15);
    
    /* Neon Palettes */
    --color-cyan: hsl(180, 100%, 50%);
    --color-cyan-glow: hsla(180, 100%, 50%, 0.35);
    --color-blue: hsl(210, 100%, 55%);
    --color-blue-glow: hsla(210, 100%, 55%, 0.35);
    --color-amber: hsl(35, 100%, 55%);
    --color-amber-glow: hsla(35, 100%, 55%, 0.35);
    --color-red: hsl(0, 100%, 60%);
    --color-red-glow: hsla(0, 100%, 60%, 0.35);
    --color-green: hsl(140, 100%, 50%);
    --color-green-glow: hsla(140, 100%, 50%, 0.35);
    
    /* Neutral Text */
    --text-primary: hsl(210, 15%, 90%);
    --text-secondary: hsl(210, 10%, 60%);
    --text-dark: hsl(220, 10%, 30%);
    
    /* Shadows */
    --shadow-neon: 0 0 15px var(--border-glow);
    --shadow-heavy: 0 10px 30px rgba(0, 0, 0, 0.5);
    --glass-blur: blur(12px);
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 2. BASE RESET & SCROLLBARS */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    outline: none;
    -webkit-tap-highlight-color: transparent;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Background Ambient Lighting */
.glow-backdrop {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, hsla(180, 100%, 50%, 0.03) 0%, hsla(210, 100%, 55%, 0.02) 40%, rgba(0,0,0,0) 70%);
    z-index: -1;
    pointer-events: none;
    filter: blur(80px);
}

/* Scrollbar customization */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-cyan-glow);
}

/* Utility Text Classes */
.text-cyan { color: var(--color-cyan); text-shadow: 0 0 8px var(--color-cyan-glow); }
.text-amber { color: var(--color-amber); text-shadow: 0 0 8px var(--color-amber-glow); }
.text-green { color: var(--color-green); text-shadow: 0 0 8px var(--color-green-glow); }
.text-red { color: var(--color-red); text-shadow: 0 0 8px var(--color-red-glow); }

/* 3. APPLICATION CONTAINER & HEADER */
.app-container {
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 25px;
    background: var(--bg-panel);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow-heavy);
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-icon {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--color-cyan) 0%, var(--color-blue) 100%);
    border-radius: 8px;
    position: relative;
    box-shadow: 0 0 15px var(--color-cyan-glow);
}

.logo-icon::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 18px;
    height: 18px;
    border: 2px solid var(--bg-main);
    border-radius: 4px;
}

.logo-text h1 {
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: 2px;
    background: linear-gradient(90deg, var(--text-primary) 0%, var(--color-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-text span {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    color: var(--text-secondary);
    letter-spacing: 1px;
}

/* System telemetry/status right side */
.system-status-panel {
    display: flex;
    align-items: center;
    gap: 25px;
}

.telemetry-compact {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.telemetry-compact .label {
    font-size: 0.65rem;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
}

.telemetry-compact .value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.05rem;
    font-weight: 700;
}

/* Pulsing cyber indicator badge */
.status-indicator {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    background: hsla(140, 100%, 50%, 0.05);
    border: 1px solid hsla(140, 100%, 50%, 0.2);
    border-radius: 30px;
    position: relative;
}

.status-indicator.armed {
    background: hsla(180, 100%, 50%, 0.05);
    border-color: hsla(180, 100%, 50%, 0.2);
}

.status-dot {
    width: 8px;
    height: 8px;
    background-color: var(--color-cyan);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--color-cyan-glow);
}

.pulse-ring {
    position: absolute;
    left: 16px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    border: 1.5px solid var(--color-cyan-glow);
    animation: ring-pulse 2s infinite ease-out;
}

.status-text {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--color-cyan);
}

@keyframes ring-pulse {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(3.5); opacity: 0; }
}

/* 4. MAIN PANEL SYSTEM */
.app-body {
    display: grid;
    grid-template-columns: 350px 1fr 380px;
    gap: 20px;
}

.glass-panel {
    background: var(--bg-panel);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 22px;
    box-shadow: var(--shadow-heavy);
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-panel:hover {
    border-color: var(--border-glow);
    box-shadow: var(--shadow-heavy), 0 0 15px rgba(0, 243, 255, 0.03);
}

.panel-header {
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
}

.panel-header.space-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.panel-header h2 {
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.panel-header .icon {
    font-size: 1.1rem;
}

.sub-header {
    font-size: 0.72rem;
    color: var(--text-secondary);
    display: block;
    margin-top: 3px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* 5. FORM INPUT ELEMENTS & SLIDERS */
.control-group {
    margin-bottom: 18px;
}

.control-label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
    margin-bottom: 8px;
    display: block;
}

/* Material Selection Grid */
.material-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.material-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px;
    background: hsla(220, 15%, 15%, 0.4);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}

.material-btn:hover {
    background: hsla(220, 15%, 20%, 0.6);
    color: var(--text-primary);
}

.material-btn.active {
    background: hsla(180, 100%, 50%, 0.08);
    border-color: var(--color-cyan);
    color: var(--color-cyan);
}

.bullet {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    display: inline-block;
}
.bullet.al { background-color: #cbd5e1; }
.bullet.st { background-color: #94a3b8; }
.bullet.br { background-color: #eab308; }
.bullet.cu { background-color: #f97316; }

/* Custom Sleek Slider Styling */
.slider-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}

.slider-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--color-cyan);
}

.custom-slider {
    width: 100%;
    height: 5px;
    background: hsla(220, 15%, 20%, 0.6);
    border-radius: 10px;
    appearance: none;
    cursor: pointer;
}

.custom-slider::-webkit-slider-thumb {
    appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--color-cyan);
    box-shadow: 0 0 8px var(--color-cyan-glow);
    transition: var(--transition-fast);
}

.custom-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.slider-bounds {
    display: flex;
    justify-content: space-between;
    font-size: 0.62rem;
    color: var(--text-dark);
    margin-top: 4px;
    font-family: 'JetBrains Mono', monospace;
}

/* Custom Select Dropdown */
.custom-select {
    width: 100%;
    padding: 10px;
    background: hsla(220, 15%, 12%, 0.8);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.82rem;
    font-family: inherit;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2364748b' viewBox='0 0 16 16'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: calc(100% - 12px) center;
    background-size: 10px;
}

.custom-select:focus {
    border-color: var(--color-cyan);
}

.control-actions {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    margin-top: 25px;
}

.btn {
    padding: 12px 20px;
    border-radius: 10px;
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition-fast);
    border: none;
    text-align: center;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: linear-gradient(90deg, var(--color-cyan) 0%, var(--color-blue) 100%);
    color: var(--bg-main);
    box-shadow: 0 0 15px var(--color-cyan-glow);
}

.btn-primary:hover {
    box-shadow: 0 0 22px var(--color-cyan);
    transform: translateY(-1px);
}

.btn-secondary {
    background: hsla(220, 15%, 15%, 0.8);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.btn-secondary:hover {
    background: hsla(220, 15%, 20%, 0.8);
    color: var(--text-primary);
}

/* 6. CENTRAL CHAMBER & CANVAS SIMULATOR */
.central-panel {
    display: flex;
    flex-direction: column;
}

.chamber-telemetry {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--color-cyan);
    background: hsla(180, 100%, 50%, 0.05);
    padding: 4px 10px;
    border: 1px solid var(--color-cyan-glow);
    border-radius: 6px;
}

.canvas-container {
    position: relative;
    width: 100%;
    flex: 1;
    min-height: 380px;
    background: hsl(220, 25%, 5%);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: inset 0 5px 25px rgba(0, 0, 0, 0.7);
}

#edm-canvas {
    display: block;
    width: 100%;
    height: 100%;
    z-index: 1;
    position: relative;
}

/* Transparent blue layer simulating deionized water tank */
.dielectric-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(0, 243, 255, 0.01) 0%, rgba(0, 243, 255, 0.04) 100%);
    pointer-events: none;
    z-index: 2;
}

/* White spark flash effect */
.spark-flash {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: white;
    opacity: 0;
    pointer-events: none;
    z-index: 3;
    transition: opacity 0.05s ease-out;
}

.scale-indicator {
    position: absolute;
    bottom: 12px;
    left: 12px;
    display: flex;
    flex-direction: column;
    gap: 3px;
    z-index: 4;
}

.scale-bar {
    width: 60px;
    height: 3px;
    background-color: var(--text-secondary);
    position: relative;
}

.scale-bar::before, .scale-bar::after {
    content: '';
    position: absolute;
    top: -2px;
    width: 1px;
    height: 7px;
    background-color: var(--text-secondary);
}
.scale-bar::before { left: 0; }
.scale-bar::after { right: 0; }

.scale-indicator span {
    font-size: 0.58rem;
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: 0.5px;
}

/* Bottom central telemetry panel */
.simulation-telemetry-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 12px;
    margin-top: 15px;
}

.telemetry-card {
    background: hsla(220, 15%, 12%, 0.4);
    border: 1px solid var(--border-color);
    padding: 10px 14px;
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.card-label {
    font-size: 0.58rem;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
    margin-bottom: 4px;
    text-transform: uppercase;
}

.card-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    font-weight: 700;
}

/* Telemetry progress bar */
.progress-bar-container {
    width: 100%;
    height: 4px;
    background: hsla(220, 15%, 20%, 0.6);
    border-radius: 4px;
    margin: 4px 0;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--color-cyan) 0%, var(--color-blue) 100%);
    box-shadow: 0 0 8px var(--color-cyan-glow);
    transition: width 0.1s linear;
}

/* 7. OSCILLOSCOPE GRAPH MODULE */
.oscilloscope-container {
    background: hsl(220, 30%, 4%);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 10px;
    position: relative;
    margin-bottom: 15px;
    box-shadow: inset 0 5px 15px rgba(0, 0, 0, 0.8);
}

.scope-grid-labels {
    display: flex;
    justify-content: space-between;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.5rem;
    color: var(--text-dark);
    position: absolute;
    top: 6px;
    left: 10px;
    right: 10px;
    pointer-events: none;
}

#scope-svg {
    display: block;
    width: 100%;
    height: auto;
    background-color: transparent;
}

.scope-grid {
    stroke: hsla(220, 15%, 15%, 0.6);
    stroke-width: 0.75;
    stroke-dasharray: 2 4;
}

/* Oscilloscope paths */
.scope-line {
    fill: none;
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.pwm-line {
    stroke: var(--color-red);
    filter: drop-shadow(0 0 3px var(--color-red-glow));
}

.voltage-line {
    stroke: var(--color-cyan);
    filter: drop-shadow(0 0 3px var(--color-cyan-glow));
}

.current-line {
    stroke: var(--color-amber);
    filter: drop-shadow(0 0 3px var(--color-amber-glow));
}

.scope-legends {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 8px;
    margin-top: 8px;
    font-size: 0.6rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.legend {
    display: flex;
    align-items: center;
    gap: 4px;
}

.color-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    display: inline-block;
}
.color-dot.pwm { background-color: var(--color-red); }
.color-dot.voltage { background-color: var(--color-cyan); }
.color-dot.current { background-color: var(--color-amber); }

/* Math Telemetry List style */
.telemetry-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.telemetry-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: hsla(220, 15%, 12%, 0.3);
    border-bottom: 1px solid var(--border-color);
    border-radius: 6px;
}

.telemetry-row.highlight-row {
    background: hsla(140, 100%, 50%, 0.04);
    border: 1px solid hsla(140, 100%, 50%, 0.15);
}

.telemetry-row.highlight-row.alert {
    background: hsla(0, 100%, 60%, 0.05);
    border-color: hsla(0, 100%, 60%, 0.2);
}

.item-label {
    font-size: 0.68rem;
    font-weight: 700;
    color: var(--text-secondary);
}

.item-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.88rem;
    font-weight: 700;
}

/* 8. FOOTER SCHEMATIC BOARD EXPLORER */
.full-width-panel {
    grid-column: 1 / span 3;
}

.schematic-wrapper {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 30px;
    align-items: center;
    margin-top: 10px;
}

.block-diagram {
    display: grid;
    grid-template-columns: 1fr 40px 1.2fr 40px 1.2fr;
    row-gap: 20px;
    align-items: center;
}

.diagram-node {
    background: hsla(220, 15%, 12%, 0.6);
    border: 1px solid var(--border-color);
    padding: 14px 20px;
    border-radius: 10px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-normal);
    position: relative;
    user-select: none;
}

.diagram-node:hover {
    border-color: var(--color-cyan);
    box-shadow: 0 0 10px var(--color-cyan-glow);
    transform: translateY(-2px);
}

.diagram-node.active {
    background: hsla(180, 100%, 50%, 0.05);
    border-color: var(--color-cyan);
    box-shadow: 0 0 15px var(--color-cyan-glow);
}

.diagram-node.active::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 10px;
    box-shadow: inset 0 0 8px var(--color-cyan-glow);
    pointer-events: none;
}

.node-title {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-primary);
    display: block;
    margin-bottom: 2px;
}

.node-subtitle {
    font-size: 0.58rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: block;
}

/* Connectors */
.diagram-connector {
    position: relative;
    height: 2px;
    background-color: var(--text-dark);
}

.diagram-connector::after {
    content: '';
    position: absolute;
    width: 0;
    height: 0;
    border-style: solid;
}

.arrow-right::after {
    top: -4px;
    right: 0;
    border-width: 5px 0 5px 8px;
    border-color: transparent transparent transparent var(--text-dark);
}

/* Connectors for second row mapping */
.arrow-down-left {
    grid-column: 2 / span 2;
    height: 20px;
    border-left: 2px solid var(--text-dark);
    border-bottom: 2px solid var(--text-dark);
    border-bottom-left-radius: 8px;
    margin-top: -10px;
}

.arrow-down-right {
    grid-column: 4 / span 2;
    height: 20px;
    border-right: 2px solid var(--text-dark);
    border-bottom: 2px solid var(--text-dark);
    border-bottom-right-radius: 8px;
    margin-top: -10px;
}

/* Interactive Card Details */
.component-info-card {
    background: hsla(220, 15%, 8%, 0.8);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 22px;
    min-height: 220px;
    box-shadow: inset 0 0 15px rgba(0, 0, 0, 0.4);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.component-info-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.comp-meta {
    margin-bottom: 12px;
}

.comp-badge {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--color-cyan);
    background-color: var(--color-cyan-glow);
    padding: 3px 8px;
    border-radius: 4px;
}

.component-info-card p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 18px;
}

.comp-specs-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 15px;
    border-top: 1px solid var(--border-color);
    padding-top: 14px;
}

.spec-item {
    display: flex;
    flex-direction: column;
}

.spec-label {
    font-size: 0.58rem;
    color: var(--text-dark);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 2px;
}

.spec-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.76rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* ==========================================================================
   9. RESPONSIVE DESIGN MEDIA QUERIES
   ========================================================================== */
@media (max-width: 1280px) {
    .app-body {
        grid-template-columns: 320px 1fr;
    }
    #oscilloscope-panel {
        grid-column: 1 / span 2;
    }
    .block-diagram {
        transform: scale(0.9);
        transform-origin: left center;
    }
}

@media (max-width: 1024px) {
    .app-body {
        grid-template-columns: 1fr;
    }
    #controls-panel, .central-panel, #oscilloscope-panel {
        grid-column: 1;
    }
    .schematic-wrapper {
        grid-template-columns: 1fr;
    }
    .block-diagram {
        transform: none;
        margin: 0 auto;
        max-width: 600px;
    }
}