/* Modern Theme CSS for PIC16F84A Simulator */
:root {
    --bg-main: #f8fafc;
    --bg-card: #ffffff;
    --bg-panel: #ffffff;
    --border-color: #e2e8f0;
    --border-hover: #cbd5e1;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    --accent-primary: #2563eb;
    --accent-hover: #1d4ed8;
    --accent-success: #10b981;
    --accent-success-hover: #059669;
    --accent-danger: #ef4444;
    --accent-danger-hover: #dc2626;
    --accent-warning: #f59e0b;
    --accent-warning-hover: #d97706;

    --pcb-red: #ba1a1a;
    --pcb-red-dark: #961212;
    --pcb-gold: #eab308;
    --pcb-silver: #cbd5e1;
    --pcb-silkscreen: #ffffff;

    --led-yellow-off: #5a4b10;
    --led-yellow-on: #fbbf24;
    --led-yellow-glow: rgba(251, 191, 36, 0.7);

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

/* Dark Theme Variables (Čierne pozadie) */
[data-theme="dark"] {
    --bg-main: #0b0f17;
    --bg-card: #111827;
    --bg-panel: #0d131f;
    --border-color: #1f293d;
    --border-hover: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    --accent-primary: #3b82f6;
    --accent-hover: #60a5fa;

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.4);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.5), 0 2px 4px -2px rgb(0 0 0 / 0.5);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.6), 0 4px 6px -4px rgb(0 0 0 / 0.6);
}

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

html {
    height: 100%;
    overflow: hidden;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-main);
    color: var(--text-primary);
    height: 100vh;
    height: 100dvh;
    width: 100%;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
    transition: background-color 0.2s ease, color 0.2s ease;
}

/* App Header */
.app-header {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    padding: 10px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
    transition: background 0.2s ease, border-color 0.2s ease;
}

.brand-section {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    background: #eff6ff;
    color: var(--accent-primary);
    border: 1px solid #bfdbfe;
    border-radius: 8px;
    font-weight: 700;
    font-size: 14px;
}

.brand-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.chip-tag {
    font-size: 11px;
    padding: 2px 8px;
    background: #f1f5f9;
    color: var(--accent-primary);
    border: 1px solid #e2e8f0;
    border-radius: 9999px;
    font-weight: 600;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Theme Switcher in Header */
.theme-switch-group {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-right: 2px;
}

.theme-switch-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 4px;
    user-select: none;
    cursor: pointer;
}

.theme-select {
    font-size: 12px;
    padding: 4px 8px;
    font-weight: 600;
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.theme-select:hover {
    border-color: var(--border-hover);
}

.theme-select:focus {
    border-color: var(--accent-primary);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.15s ease;
    user-select: none;
}

.btn:hover {
    background: var(--bg-main);
    border-color: var(--border-hover);
}

.btn-primary {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: #ffffff;
}

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

.btn-success {
    background: var(--accent-success);
    border-color: var(--accent-success);
    color: #ffffff;
}

.btn-success:hover {
    background: var(--accent-success-hover);
    border-color: var(--accent-success-hover);
}

.btn-danger {
    background: var(--accent-danger);
    border-color: var(--accent-danger);
    color: #ffffff;
}

.btn-danger:hover {
    background: var(--accent-danger-hover);
    border-color: var(--accent-danger-hover);
}

.btn-outline {
    background: var(--bg-card);
    border-color: var(--border-color);
    color: var(--text-secondary);
}

.btn-outline:hover {
    background: var(--bg-main);
    color: var(--text-primary);
    border-color: var(--text-secondary);
}

.btn-sm {
    padding: 4px 10px;
    font-size: 12px;
}

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

/* Main Container Layout */
.main-layout {
    display: flex;
    flex: 1;
    height: calc(100vh - 56px);
    overflow: hidden;
}

/* Left Pane: Hardware Boards */
.hardware-pane {
    width: 420px;
    min-width: 380px;
    max-width: 480px;
    background: var(--bg-panel);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    padding: 12px;
    gap: 12px;
    transition: background 0.2s ease, border-color 0.2s ease;
}


.pane-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

.pane-title {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}

/* PCB Red Boards Styling */
.pcb-board {
    background: linear-gradient(145deg, var(--pcb-red), var(--pcb-red-dark));
    border-radius: 10px;
    padding: 14px;
    color: var(--pcb-silkscreen);
    position: relative;
    box-shadow: 0 6px 12px -2px rgba(186, 26, 26, 0.25), 0 2px 4px -1px rgba(0, 0, 0, 0.1);
    border: 2px solid #851010;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* Mounting holes / gold screws on PCB corners */
.pcb-board::before, .pcb-board::after {
    content: '';
    position: absolute;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: radial-gradient(circle, #fef08a 30%, #ca8a04 80%, #713f12 100%);
    border: 1px solid #451a03;
}
.pcb-board::before {
    top: 7px;
    left: 7px;
}
.pcb-board::after {
    top: 7px;
    right: 7px;
}

.pcb-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.35);
    padding-bottom: 6px;
}

.pcb-title {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: #ffffff;
    text-shadow: 0 1px 2px rgba(0,0,0,0.4);
}

.pcb-badge {
    font-family: var(--font-mono);
    font-size: 10px;
    background: rgba(0, 0, 0, 0.3);
    padding: 2px 6px;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Top Board: Buttons TL1 - TL5 */
.buttons-module-body {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 10px 4px;
}

.button-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    flex: 1;
}

.button-label {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
    color: #ffffff;
    text-shadow: 0 1px 1px rgba(0, 0, 0, 0.5);
}

.button-pin-label {
    font-size: 9px;
    color: rgba(255, 255, 255, 0.75);
    font-family: var(--font-mono);
}

.tactile-btn {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 35%, #38bdf8 0%, #0284c7 60%, #0369a1 100%);
    border: 3px solid #082f49;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.4), inset 0 2px 4px rgba(255, 255, 255, 0.6);
    cursor: pointer;
    position: relative;
    outline: none;
    transition: transform 0.05s ease, box-shadow 0.05s ease;
    user-select: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tactile-btn:hover {
    filter: brightness(1.12);
}

.tactile-btn:active, .tactile-btn.active-pressed {
    transform: translateY(3px) scale(0.95);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.5), inset 0 2px 5px rgba(0, 0, 0, 0.6);
    background: radial-gradient(circle at 45% 45%, #0284c7 0%, #0369a1 70%, #075985 100%);
    border-color: #38bdf8;
}

.tactile-btn.latched {
    border-color: #facc15;
    box-shadow: 0 0 10px #facc15, inset 0 2px 5px rgba(0, 0, 0, 0.6);
    transform: translateY(2px);
}

/* Middle Board: Core PIC16F84A Module */
.core-module-body {
    display: grid;
    grid-template-columns: 1fr 140px 1fr;
    gap: 10px;
    align-items: center;
    padding: 4px 0;
}

.header-socket {
    background: #0f172a;
    border: 2px solid #334155;
    border-radius: 4px;
    padding: 6px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.socket-label {
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 700;
    text-align: center;
    letter-spacing: 1px;
    color: #e2e8f0;
}

.socket-pins {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.pin-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 9px;
    font-family: var(--font-mono);
    color: #94a3b8;
}

.pin-indicator {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #1e293b;
    border: 1px solid #475569;
}

.pin-indicator.high {
    background: #4ade80;
    box-shadow: 0 0 6px #4ade80;
}

/* DIP-18 IC Package for PIC16F84A */
.ic-package {
    background: #18181b;
    border: 1px solid #3f3f46;
    border-radius: 4px;
    height: 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    padding: 8px 4px;
    position: relative;
    box-shadow: inset 0 2px 4px rgba(255, 255, 255, 0.1), 0 4px 8px rgba(0, 0, 0, 0.4);
}

.ic-notch {
    width: 14px;
    height: 6px;
    border-bottom-left-radius: 7px;
    border-bottom-right-radius: 7px;
    background: #27272a;
    border: 1px solid #3f3f46;
    border-top: none;
    position: absolute;
    top: 0;
}

.ic-label {
    text-align: center;
    font-family: var(--font-mono);
    margin-top: 14px;
}

.ic-brand {
    font-size: 8px;
    font-weight: 700;
    letter-spacing: 1px;
    color: #a1a1aa;
}

.ic-model {
    font-size: 10px;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: 0.5px;
}

.ic-extra {
    font-size: 8px;
    color: #71717a;
}

.ic-reset-btn {
    margin-top: auto;
    font-size: 8px;
    font-family: var(--font-mono);
    background: #dc2626;
    color: #ffffff;
    border: 1px solid #991b1b;
    border-radius: 3px;
    padding: 2px 6px;
    cursor: pointer;
    font-weight: 700;
}

.ic-reset-btn:hover {
    background: #ef4444;
}

.crystal-oscillator {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 9px;
    font-family: var(--font-mono);
    color: #e2e8f0;
}

.xtal-can {
    width: 28px;
    height: 12px;
    background: linear-gradient(to bottom, #f1f5f9, #94a3b8, #cbd5e1);
    border: 1px solid #64748b;
    border-radius: 3px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

/* Bottom Board: LED Output Module LED 1 - 8 */
.leds-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 10px 0;
}

.led-col {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    flex: 1;
}

.led-label {
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 700;
    color: #ffffff;
    text-shadow: 0 1px 1px rgba(0,0,0,0.5);
}

.led-pin {
    font-size: 8px;
    font-family: var(--font-mono);
    color: rgba(255, 255, 255, 0.75);
}

/* 3D Realistic Round LED Dome */
.led-lamp {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 35%, #92400e 0%, var(--led-yellow-off) 70%, #451a03 100%);
    border: 2px solid #292524;
    box-shadow: inset 0 2px 4px rgba(255, 255, 255, 0.2), 0 2px 4px rgba(0, 0, 0, 0.4);
    position: relative;
    transition: all 0.08s ease;
}

.led-lamp::before {
    content: '';
    position: absolute;
    top: 4px;
    left: 6px;
    width: 6px;
    height: 4px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
}

/* Lit state */
.led-lamp.lit {
    background: radial-gradient(circle at 40% 40%, #ffffff 0%, #fef08a 30%, var(--led-yellow-on) 70%, #d97706 100%);
    border-color: #b45309;
    box-shadow: 0 0 14px 4px var(--led-yellow-glow), inset 0 0 6px #ffffff;
}

.led-val {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
    color: #f1f5f9;
    background: rgba(0, 0, 0, 0.3);
    padding: 1px 5px;
    border-radius: 3px;
    min-width: 18px;
    text-align: center;
}

.led-val.lit {
    color: #fef08a;
    background: rgba(0, 0, 0, 0.6);
}

.led-register-summary {
    display: flex;
    align-items: center;
    justify-content: space-around;
    background: rgba(0, 0, 0, 0.35);
    padding: 6px;
    border-radius: 6px;
    font-family: var(--font-mono);
    font-size: 11px;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.reg-val-highlight {
    font-weight: 700;
    color: #facc15;
}

/* Center Vertical Activity Rail (Matching Sketch) */
.activity-rail {
    width: 48px;
    background: var(--bg-card);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px 0;
    gap: 8px;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.rail-btn {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.15s ease;
    font-size: 18px;
    position: relative;
}

.rail-btn:hover {
    background: var(--bg-main);
    color: var(--text-primary);
}

.rail-btn.active {
    background: #eff6ff;
    color: var(--accent-primary);
    border: 1px solid #bfdbfe;
}

.rail-btn .tooltip {
    position: absolute;
    left: 48px;
    background: #0f172a;
    color: #ffffff;
    font-size: 11px;
    padding: 4px 8px;
    border-radius: 4px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.15s ease;
    z-index: 200;
}

.rail-btn:hover .tooltip {
    opacity: 1;
}

/* Right Pane: Code Editor & Execution */
.editor-pane {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--bg-main);
    overflow: hidden;
    transition: background 0.2s ease;
}

/* Editor Toolbar */
.editor-toolbar {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    padding: 8px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.toolbar-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.speed-select-group {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-secondary);
}

.select-control {
    font-size: 12px;
    padding: 4px 8px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-primary);
    outline: none;
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.select-control:focus {
    border-color: var(--accent-primary);
}

/* CodeMirror Container */
.editor-container {
    flex: 1;
    position: relative;
    overflow: hidden;
    background: var(--bg-main);
    transition: background 0.2s ease;
}

.CodeMirror {
    height: 100% !important;
    font-family: var(--font-mono);
    font-size: 13.5px;
    line-height: 1.5;
}

/* Custom error gutter marker */
.error-gutter-marker {
    color: #ef4444;
    font-weight: 900;
    font-size: 12px;
    text-align: center;
    line-height: 1.5;
    cursor: pointer;
}

.cm-error-line {
    background-color: rgba(239, 68, 68, 0.12) !important;
}

/* Execution current line marker */
.cm-active-exec-line {
    background-color: rgba(74, 222, 128, 0.25) !important;
    border-left: 3px solid #16a34a !important;
}

.exec-gutter-marker {
    color: #16a34a;
    font-weight: 900;
    font-size: 13px;
    text-align: center;
}

/* Breakpoint marker */
.breakpoint-marker {
    color: #ef4444;
    font-size: 12px;
    text-align: center;
}

/* Bottom Tabbed Console */
.bottom-panel {
    height: 220px;
    min-height: 140px;
    max-height: 400px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-card);
    display: flex;
    flex-direction: column;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.panel-tabs-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-main);
    border-bottom: 1px solid var(--border-color);
    padding: 0 12px;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.tabs-group {
    display: flex;
    align-items: center;
    gap: 2px;
}

.panel-tab {
    padding: 8px 14px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.15s ease;
}

.panel-tab:hover {
    color: var(--text-primary);
}

.panel-tab.active {
    color: var(--accent-primary);
    border-bottom-color: var(--accent-primary);
    background: var(--bg-card);
}

.badge-count {
    font-size: 10px;
    padding: 1px 6px;
    border-radius: 9999px;
    background: #e2e8f0;
    color: var(--text-secondary);
}

.badge-count.error {
    background: #fee2e2;
    color: #dc2626;
    font-weight: 700;
}

.panel-content {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
    font-family: var(--font-mono);
    font-size: 12px;
}

.tab-pane {
    display: none;
    height: 100%;
}

.tab-pane.active {
    display: block;
}

/* Console logs */
.console-log-item {
    padding: 4px 6px;
    border-radius: 4px;
    margin-bottom: 4px;
    display: flex;
    align-items: flex-start;
    gap: 8px;
    line-height: 1.4;
}

.console-log-item.error {
    background: #fef2f2;
    color: #991b1b;
    border-left: 3px solid #ef4444;
    cursor: pointer;
}

.console-log-item.error:hover {
    background: #fee2e2;
}

.console-log-item.success {
    background: #f0fdf4;
    color: #166534;
    border-left: 3px solid #22c55e;
}

.console-log-item.info {
    color: var(--text-secondary);
}

/* Register Table Grid */
.registers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 12px;
}

.reg-card {
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 8px 12px;
    background: var(--bg-main);
    transition: background 0.2s ease, border-color 0.2s ease;
}

.reg-card-title {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-secondary);
    margin-bottom: 6px;
    display: flex;
    justify-content: space-between;
}

.bits-row {
    display: flex;
    gap: 4px;
}

.bit-box {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--bg-card);
    padding: 2px 0;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.bit-idx {
    font-size: 8px;
    color: var(--text-muted);
}

.bit-val {
    font-size: 11px;
    font-weight: 700;
}

.bit-val.high {
    color: #16a34a;
}

/* Library Accordion & Cards */
.library-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.lib-category-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.lib-item-card {
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 8px 12px;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.lib-item-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.lib-item-name {
    font-weight: 700;
    color: var(--text-primary);
    font-size: 12px;
}

.lib-item-desc {
    font-size: 11px;
    color: var(--text-secondary);
}

.lib-item-code {
    font-family: var(--font-mono);
    color: var(--accent-primary);
    background: #eff6ff;
    padding: 1px 4px;
    border-radius: 3px;
    font-size: 11px;
}

/* Modal overlay */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.4);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(2px);
}

.modal-overlay.open {
    display: flex;
}

.modal-dialog {
    background: var(--bg-card);
    border-radius: 10px;
    box-shadow: var(--shadow-lg);
    width: 600px;
    max-width: 90vw;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.modal-header {
    padding: 14px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 16px;
    font-weight: 700;
}

.modal-body {
    padding: 20px;
    overflow-y: auto;
    font-size: 13px;
    line-height: 1.6;
}

.modal-footer {
    padding: 12px 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.modal-settings-box {
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    padding: 10px 14px;
    border-radius: 6px;
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
    transition: background 0.2s ease, border-color 0.2s ease;
}

/* Status indicator badge in toolbar */
.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 9999px;
    background: var(--bg-main);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.status-pill.running {
    background: #dcfce7;
    color: #15803d;
    border-color: #86efac;
}

.status-pill.paused {
    background: #fef3c7;
    color: #b45309;
    border-color: #fde68a;
}

.status-pill.error {
    background: #fee2e2;
    color: #b91c1c;
    border-color: #fca5a5;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: currentColor;
}

/* ==========================================================================
   DARK THEME OVERRIDES (Čierne pozadie / Tmavý režim)
   ========================================================================== */

/* Brand & Header */
[data-theme="dark"] .brand-logo {
    background: #1e293b;
    border-color: #3b82f6;
    color: #60a5fa;
}

/* Activity Rail */
[data-theme="dark"] .rail-btn {
    color: #94a3b8;
}

[data-theme="dark"] .rail-btn:hover {
    background: #1e293b;
    color: #f8fafc;
}

[data-theme="dark"] .rail-btn.active {
    background: #1e293b;
    color: #60a5fa;
    border: 1px solid #3b82f6;
}

[data-theme="dark"] .rail-btn .tooltip {
    background: #1e293b;
    color: #f8fafc;
    border: 1px solid #334155;
}

/* CodeMirror Dark Theme */
[data-theme="dark"] .editor-container {
    background: #090d16;
}

[data-theme="dark"] .CodeMirror {
    background: #090d16 !important;
    color: #e2e8f0 !important;
}

[data-theme="dark"] .CodeMirror-gutters {
    background: #060910 !important;
    border-right: 1px solid var(--border-color) !important;
}

[data-theme="dark"] .CodeMirror-linenumber {
    color: #475569 !important;
}

[data-theme="dark"] .CodeMirror-cursor {
    border-left: 2px solid #38bdf8 !important;
}

[data-theme="dark"] .CodeMirror-activeline-background {
    background: rgba(56, 189, 248, 0.08) !important;
}

[data-theme="dark"] .CodeMirror-selected,
[data-theme="dark"] .CodeMirror-focused .CodeMirror-selected,
[data-theme="dark"] .CodeMirror-line::selection,
[data-theme="dark"] .CodeMirror-line>span::selection,
[data-theme="dark"] .CodeMirror-line>span>span::selection {
    background: rgba(59, 130, 246, 0.3) !important;
}

/* Syntax Highlighting for Dark Theme */
[data-theme="dark"] .cm-s-default .cm-keyword {
    color: #f43f5e !important;
    font-weight: 600;
}

[data-theme="dark"] .cm-s-default .cm-atom {
    color: #38bdf8 !important;
}

[data-theme="dark"] .cm-s-default .cm-number {
    color: #38bdf8 !important;
}

[data-theme="dark"] .cm-s-default .cm-def {
    color: #c084fc !important;
    font-weight: 600;
}

[data-theme="dark"] .cm-s-default .cm-variable {
    color: #f1f5f9 !important;
}

[data-theme="dark"] .cm-s-default .cm-variable-2 {
    color: #38bdf8 !important;
}

[data-theme="dark"] .cm-s-default .cm-type {
    color: #fb923c !important;
}

[data-theme="dark"] .cm-s-default .cm-comment {
    color: #64748b !important;
    font-style: italic;
}

[data-theme="dark"] .cm-s-default .cm-string,
[data-theme="dark"] .cm-s-default .cm-string-2 {
    color: #4ade80 !important;
}

[data-theme="dark"] .cm-s-default .cm-meta {
    color: #f43f5e !important;
    font-weight: 600;
}

[data-theme="dark"] .cm-s-default .cm-builtin {
    color: #60a5fa !important;
}

[data-theme="dark"] .cm-s-default .cm-operator {
    color: #f43f5e !important;
}

[data-theme="dark"] div.CodeMirror span.CodeMirror-matchingbracket {
    color: #4ade80 !important;
    font-weight: bold;
    border-bottom: 2px solid #4ade80;
}

[data-theme="dark"] div.CodeMirror span.CodeMirror-nonmatchingbracket {
    color: #ef4444 !important;
}

[data-theme="dark"] .cm-error-line {
    background-color: rgba(239, 68, 68, 0.22) !important;
}

[data-theme="dark"] .cm-active-exec-line {
    background-color: rgba(34, 197, 94, 0.22) !important;
    border-left: 3px solid #22c55e !important;
}

/* Console Diagnostics in Dark Mode */
[data-theme="dark"] .console-log-item.error {
    background: rgba(239, 68, 68, 0.16);
    color: #fca5a5;
    border-left: 3px solid #ef4444;
}

[data-theme="dark"] .console-log-item.error:hover {
    background: rgba(239, 68, 68, 0.26);
}

[data-theme="dark"] .console-log-item.success {
    background: rgba(34, 197, 94, 0.16);
    color: #86efac;
    border-left: 3px solid #22c55e;
}

[data-theme="dark"] .console-log-item.info {
    color: #94a3b8;
}

/* Registers in Dark Mode */
[data-theme="dark"] .reg-card {
    background: #111827;
    border-color: var(--border-color);
}

[data-theme="dark"] .reg-card-title {
    color: #cbd5e1;
}

[data-theme="dark"] .bit-box {
    background: #0b0f17;
    border-color: var(--border-color);
}

[data-theme="dark"] .bit-idx {
    color: #64748b;
}

[data-theme="dark"] .bit-val {
    color: #e2e8f0;
}

[data-theme="dark"] .bit-val.high {
    color: #4ade80;
}

/* Badges in Dark Mode */
[data-theme="dark"] .badge-count {
    background: #1e293b;
    color: #cbd5e1;
}

[data-theme="dark"] .badge-count.error {
    background: #7f1d1d;
    color: #fca5a5;
}

/* Status Pills in Dark Mode */
[data-theme="dark"] .status-pill {
    background: #1e293b;
    color: #cbd5e1;
    border-color: var(--border-color);
}

[data-theme="dark"] .status-pill.running {
    background: #064e3b;
    color: #6ee7b7;
    border-color: #059669;
}

[data-theme="dark"] .status-pill.paused {
    background: #78350f;
    color: #fde68a;
    border-color: #d97706;
}

[data-theme="dark"] .status-pill.error {
    background: #7f1d1d;
    color: #fca5a5;
    border-color: #dc2626;
}

/* Modal in Dark Mode */
[data-theme="dark"] .modal-overlay {
    background: rgba(0, 0, 0, 0.75);
}

[data-theme="dark"] .modal-dialog {
    background: #0f172a;
    border-color: var(--border-color);
    color: #f8fafc;
}

[data-theme="dark"] .modal-settings-box {
    background: #182234;
    border-color: var(--border-color);
}

/* Hardware PCB in Dark Mode */
[data-theme="dark"] .pcb-board {
    box-shadow: 0 8px 24px -2px rgba(0, 0, 0, 0.7), 0 0 1px 1px rgba(255, 255, 255, 0.08);
}

/* Scrollbars in Dark Mode */
[data-theme="dark"] ::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

[data-theme="dark"] ::-webkit-scrollbar-track {
    background: #090d16;
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: #1f293d;
    border-radius: 4px;
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background: #334155;
}