@font-face {
    font-family: 'RocGrotesk-Medium';
    src: local('RocGrotesk-Medium'), local('RocGrotesk Medium'), local('Roc Grotesk Medium'), local('Roc Grotesk'), url('RocGrotesk-Medium.woff2') format('woff2'), url('RocGrotesk-Medium.ttf') format('truetype');
    font-weight: 500;
    font-style: normal;
}

:root {
    /* Pure White & Clean Slate Monochrome Palette */
    --font-logo: 'RocGrotesk-Medium', 'Roc Grotesk Medium', 'Roc Grotesk', 'RocGrotesk', sans-serif;
    --bg-dark: #ffffff;
    --bg-card: #ffffff;
    --bg-card-hover: #f8fafc;
    --bg-glass: #ffffff;
    --border-color: #e2e8f0;
    --border-focus: #0f172a;

    /* Accents (Clean Dark Slate Monochrome) */
    --primary: #0f172a;         /* Dark Slate Solid */
    --primary-hover: #1e293b;
    --cyan: #334155;            /* Slate Accent */
    --emerald: #0f172a;         /* Dark Slate */
    --amber: #334155;           /* Neutral Slate */
    --rose: #0f172a;            /* Neutral Dark */
    --indigo: #0f172a;

    /* Text Colors */
    --text-main: #0f172a;       /* Dark Slate Text */
    --text-muted: #475569;
    --text-dim: #64748b;

    /* Fonts & Radii */
    --font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-full: 9999px;

    /* Shadows & Transitions */
    --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.05);
    --shadow-glow: 0 2px 8px rgba(0, 0, 0, 0.08);
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme (Default Base) */
body, body.light-theme {
    --bg-dark: #ffffff;
    --bg-card: #ffffff;
    --bg-card-hover: #f8fafc;
    --bg-glass: #ffffff;
    --border-color: #e2e8f0;
    --text-main: #0f172a;
    --text-muted: #475569;
    --text-dim: #64748b;
    background-color: #ffffff;
    color: #0f172a;
}

/* Reset & Global Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    font-family: var(--font-family);
    background-color: #ffffff;
    color: #0f172a;
    -webkit-font-smoothing: antialiased;
}

/* Scrollbars */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.15);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.3);
}

/* ==========================================
   SCREENS MANAGEMENT
   ========================================== */
.screen {
    display: none;
    width: 100vw;
    height: 100vh;
    position: absolute;
    top: 0;
    left: 0;
}
.screen.active {
    display: flex;
    flex-direction: column;
}

/* ==========================================
   SPLASH / HOME SCREEN
   ========================================== */
#home-screen {
    justify-content: center;
    align-items: center;
    background: #ffffff;
}

.home-glass-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 3rem 3.5rem;
    max-width: 580px;
    text-align: center;
    box-shadow: var(--shadow-card);
    animation: fadeInUp 0.6s ease-out;
}

.brand-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    background: #ffffff;
    border: 1px solid #cbd5e1;
    color: #0f172a;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
}

.logo-title {
    font-family: var(--font-logo);
    font-size: 4.2rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: #0f172a;
    margin-bottom: 0.5rem;
}

.home-subtitle {
    font-size: 1.25rem;
    color: var(--text-main);
    font-weight: 600;
    margin-bottom: 1rem;
}

.home-description {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 2.5rem;
}

/* ==========================================
   BUTTONS SYSTEM
   ========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition-fast);
    text-decoration: none;
}

.btn-primary {
    background: #0f172a;
    color: #ffffff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}
.btn-primary:hover {
    background: #1e293b;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.18);
}

.btn-hero {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    border-radius: var(--radius-full);
    width: 100%;
}
.btn-hero .icon-arrow {
    transition: transform 0.3s ease;
}
.btn-hero:hover .icon-arrow {
    transform: translateX(5px);
}

.btn-secondary {
    background: #ffffff;
    color: var(--text-main);
    border: 1px solid #cbd5e1;
}
.btn-secondary:hover {
    background: #f8fafc;
}

.btn-indigo {
    background: #0f172a;
    color: #ffffff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}
.btn-indigo:hover {
    background: #1e293b;
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
}
.btn-sm {
    padding: 0.4rem 0.9rem;
    font-size: 0.85rem;
}

.btn-icon {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-sm);
    background: #f1f5f9;
    border: 1px solid var(--border-color);
    color: var(--text-main);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-fast);
}
.btn-icon:hover {
    background: #e2e8f0;
    color: var(--primary);
}

/* Language selector */
.lang-select-wrapper {
    margin-top: 2rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #f1f5f9;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
}
.select-lang {
    background: transparent;
    border: none;
    color: var(--text-main);
    font-family: var(--font-family);
    font-size: 0.9rem;
    font-weight: 500;
    outline: none;
    cursor: pointer;
}
.select-lang option {
    background: #ffffff;
    color: var(--text-main);
}

/* ==========================================
   MODAL DIALOG
   ========================================== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}
.modal.active {
    display: flex;
}

.glass-modal {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 560px;
    padding: 2rem;
    box-shadow: var(--shadow-card);
    animation: scaleUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}
.modal-header h2 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 10px;
}
.modal-header h2 i {
    color: var(--primary);
}

.modal-close {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition-fast);
}
.modal-close:hover {
    color: var(--rose);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}
.form-group.full-width {
    grid-column: span 2;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.input-with-unit {
    position: relative;
    display: flex;
    align-items: center;
}
.input-with-unit input {
    width: 100%;
    padding: 0.75rem 2.5rem 0.75rem 1rem;
    background: #f8fafc;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-main);
    font-family: var(--font-family);
    font-size: 1rem;
    font-weight: 600;
    outline: none;
    transition: var(--transition-fast);
}
.input-with-unit input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}
.input-with-unit .unit {
    position: absolute;
    right: 1rem;
    color: var(--text-dim);
    font-weight: 600;
    font-size: 0.9rem;
    pointer-events: none;
}

.select-custom {
    width: 100%;
    padding: 0.75rem 1rem;
    background: #f8fafc;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-main);
    font-family: var(--font-family);
    font-size: 0.95rem;
    font-weight: 500;
    outline: none;
    cursor: pointer;
    transition: var(--transition-fast);
}
.select-custom:focus {
    border-color: var(--primary);
}
.select-custom option {
    background: #ffffff;
    color: var(--text-main);
}

.modal-buttons {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

/* ==========================================
   PRIMARY DASHBOARD WORKSPACE
   ========================================== */
#dashboard-screen {
    background: #ffffff;
}

.app-header {
    height: 64px;
    padding: 0 1.5rem;
    background: #ffffff;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 10;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}
.brand-logo {
    font-family: var(--font-logo);
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #0f172a;
}
.brand-divider {
    color: var(--border-color);
}
.brand-subtitle {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
}

.header-center-info {
    display: flex;
    align-items: center;
    gap: 10px;
}
.roof-dims-badge {
    padding: 5px 12px;
    border-radius: var(--radius-full);
    background: #f1f5f9;
    border: 1px solid var(--border-color);
    font-size: 0.85rem;
    font-weight: 600;
    color: #0f172a;
}
.system-badge {
    padding: 5px 12px;
    border-radius: var(--radius-full);
    background: #ffffff;
    border: 1px solid #cbd5e1;
    font-size: 0.85rem;
    font-weight: 700;
    color: #0f172a;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* DASHBOARD LAYOUT (2 COLUMNS) */
.dashboard-layout {
    display: grid;
    grid-template-columns: 1fr 420px;
    height: calc(100vh - 64px);
    width: 100%;
    overflow: hidden;
}

/* LEFT PANEL (CANVAS VIEWER) */
.left-panel {
    position: relative;
    background: #ffffff;
    display: flex;
    flex-direction: column;
}

.canvas-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.canvas-toolbar {
    position: absolute;
    top: 1rem;
    left: 1rem;
    right: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 5;
    pointer-events: none;
}
.canvas-toolbar > * {
    pointer-events: auto;
}

.drawing-mode-switch, .view-mode-switch {
    display: flex;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 3px;
    gap: 3px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}
.toolbar-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: 6px 14px;
    border-radius: 6px;
    font-family: var(--font-family);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition-fast);
}
.toolbar-btn:hover {
    color: var(--text-main);
    background: #f1f5f9;
}
.toolbar-btn.active {
    background: #0f172a;
    color: #ffffff;
}
.toolbar-btn.btn-accent {
    background: #ffffff;
    color: #0f172a;
    border: 1px solid #cbd5e1;
}
.toolbar-btn.btn-accent:hover {
    background: #0f172a;
    color: #ffffff;
}
.toolbar-btn.btn-danger {
    background: #ffffff;
    color: #0f172a;
    border: 1px solid #cbd5e1;
}
.toolbar-btn.btn-danger:hover {
    background: #0f172a;
    color: #ffffff;
}

.hidden {
    display: none !important;
}

.inspector-card {
    border-color: #cbd5e1;
    background: #ffffff;
}
.margin-top-sm {
    margin-top: 0.75rem;
}

.canvas-actions {
    display: flex;
    gap: 6px;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 3px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

/* Canvas Warning */
.canvas-warning {
    position: absolute;
    top: 4.5rem;
    left: 50%;
    transform: translateX(-50%);
    background: #0f172a;
    color: #ffffff;
    padding: 8px 18px;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 15px rgba(15, 23, 42, 0.2);
    z-index: 5;
    animation: pulse 2s infinite;
}
.canvas-warning.hidden {
    display: none;
}

.canvas-viewport {
    width: 100%;
    height: 100%;
}

.canvas-legend {
    position: absolute;
    bottom: 1rem;
    left: 1rem;
    display: flex;
    gap: 1rem;
    background: #ffffff;
    border: 1px solid var(--border-color);
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}
.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
}
.legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}
.legend-dot.color-roof { background: #64748b; }
.legend-dot.color-anchor { background: #f8fafc; border: 1px solid #94a3b8; }
.legend-dot.color-cable { background: #f8fafc; border: 1px solid #94a3b8; }

/* RIGHT PANEL (SIDEBAR) */
.right-panel {
    background: #ffffff;
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.sidebar-scroll {
    padding: 1.25rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    height: 100%;
}

.control-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    box-shadow: var(--shadow-card);
}

.card-title {
    font-size: 0.9rem;
    font-weight: 800;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 8px;
    text-transform: uppercase;
}
.card-title i {
    color: var(--primary);
}

/* System cards grid */
.system-cards-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
    margin-bottom: 1rem;
}
.system-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.9rem;
    cursor: pointer;
    transition: var(--transition-fast);
}
.system-card:hover {
    background: #f8fafc;
    border-color: var(--primary);
}
.system-card.active {
    background: #ffffff;
    border: 2px solid #0f172a;
}

.sys-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
}
.sys-name {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-main);
}
.sys-span-tag {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    background: #f1f5f9;
    border: 1px solid #cbd5e1;
    color: #334155;
}
.sys-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.4;
}

/* Components checklist */
.section-label {
    display: block;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-dim);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
}

/* Components drag & drop grid */
.components-drag-grid {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.component-drag-card {
    display: flex;
    align-items: center;
    gap: 10px;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    cursor: grab;
    transition: var(--transition-fast);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.03);
    user-select: none;
}
.component-drag-card:hover {
    background: #f8fafc;
    border-color: #0f172a;
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
}
.component-drag-card:active {
    cursor: grabbing;
    background: #f1f5f9;
}
.drag-handle {
    color: var(--text-dim);
    font-size: 0.9rem;
}
.comp-info {
    display: flex;
    flex-direction: column;
    flex: 1;
}
.comp-name {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-main);
}
.drag-hint {
    font-size: 0.72rem;
    color: var(--text-muted);
}
.rot-quick-btns {
    display: flex;
    gap: 8px;
}
    cursor: pointer;
}

/* Color pickers grid */
.color-pickers-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
}
.color-picker-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    background: #f8fafc;
    border: 1px solid var(--border-color);
    padding: 8px;
    border-radius: var(--radius-sm);
}
.color-picker-item label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
}
.color-picker-item input[type="color"] {
    -webkit-appearance: none;
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    background: transparent;
}
.color-picker-item input[type="color"]::-webkit-color-swatch-wrapper {
    padding: 0;
}
.color-picker-item input[type="color"]::-webkit-color-swatch {
    border: 2px solid var(--border-color);
    border-radius: 50%;
}

/* CALCULATIONS READOUTS CARD */
.calc-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
}

.norm-tabs {
    display: flex;
    background: #f1f5f9;
    border-radius: var(--radius-sm);
    padding: 3px;
    margin-bottom: 0.75rem;
}
.tab-btn {
    flex: 1;
    padding: 6px 10px;
    background: transparent;
    border: none;
    border-radius: 6px;
    color: var(--text-muted);
    font-family: var(--font-family);
    font-size: 0.8rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition-fast);
}
.tab-btn.active {
    background: #0f172a;
    color: #ffffff;
}

.osha-subtabs {
    display: flex;
    background: #f1f5f9;
    border: 1px solid #cbd5e1;
    border-radius: var(--radius-sm);
    padding: 3px;
    margin-bottom: 0.85rem;
    gap: 4px;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.03);
}
.subtab-btn {
    flex: 1;
    padding: 6px 10px;
    background: transparent;
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
    border-radius: 6px;
    color: #475569;
    font-family: var(--font-family);
    font-size: 0.78rem;
    font-weight: 700;
    cursor: pointer;
    text-align: center;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    appearance: none;
    -webkit-appearance: none;
}
.subtab-btn:hover {
    color: #0f172a;
    background: #e2e8f0;
}
.subtab-btn.active {
    background: #0f172a !important;
    color: #ffffff !important;
    box-shadow: 0 2px 6px rgba(15, 23, 42, 0.15) !important;
}

.highlight-box {
    background: #ffffff;
    border: 1px solid #cbd5e1;
    border-radius: var(--radius-sm);
    padding: 1rem;
    text-align: center;
    margin-bottom: 0.75rem;
}
.readout-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 4px;
}
.readout-val {
    font-size: 2.2rem;
    font-weight: 900;
    color: #0f172a;
}

.readout-grid-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}
.readout-subbox {
    background: #f8fafc;
    border: 1px solid var(--border-color);
    padding: 8px 10px;
    border-radius: 6px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
}
.sub-label { color: var(--text-muted); }
.sub-val { font-weight: 700; color: var(--text-main); }

.readout-divider {
    height: 1px;
    background: var(--border-color);
    margin: 0.75rem 0;
}

.side-calc-block {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.side-title {
    font-size: 0.8rem;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.readout-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 10px;
    border-radius: 4px;
    font-size: 0.8rem;
    background: #f8fafc;
    border: 1px solid var(--border-color);
}
.row-label { color: var(--text-muted); }
.row-val { font-weight: 700; color: var(--text-main); }

.readout-row.warning-text .row-val { color: #0f172a; }
.readout-row.warning-yellow .row-val { color: #0f172a; }

.card-actions {
    margin-top: 1rem;
}

/* CAROUSEL MODAL FOR EXPLODED VIEWS */
.carousel-modal-content {
    max-width: 780px;
    width: 95%;
    padding: 1.5rem;
    background: #ffffff;
}

.btn-exploded {
    background: #ffffff;
    border: 1px solid #cbd5e1;
    color: #0f172a;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
    cursor: pointer;
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: var(--transition-fast);
}
.btn-exploded:hover {
    background: #0f172a;
    color: #ffffff;
}

.carousel-container {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 1rem 0;
    min-height: 380px;
    background: #f8fafc;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.carousel-viewport {
    width: 100%;
    height: 380px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.carousel-slides {
    display: flex;
    width: 100%;
    height: 100%;
    align-items: center;
    justify-content: center;
}

.carousel-slides img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.carousel-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: #ffffff;
    border: 1px solid var(--border-color);
    color: var(--text-main);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: var(--transition-fast);
}
.carousel-nav-btn:hover {
    background: var(--primary);
    color: #ffffff;
}
.carousel-nav-btn.prev { left: 1rem; }
.carousel-nav-btn.next { right: 1rem; }

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 1rem;
}
.carousel-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.15);
    cursor: pointer;
    transition: var(--transition-fast);
}
.carousel-dot.active {
    background: var(--primary);
    width: 24px;
    border-radius: var(--radius-full);
}

/* Animations */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes scaleUp {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* Responsive adjustments */
@media (max-width: 1024px) {
    .dashboard-layout {
        grid-template-columns: 1fr;
        grid-template-rows: 1fr 400px;
        overflow-y: auto;
    }
    .right-panel {
        border-left: none;
        border-top: 1px solid var(--border-color);
    }
}

/* Interactive Component Checklist Cards (Matching Original Card Design) */
.components-cards-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 0.5rem;
}

.component-check-card {
    display: flex;
    align-items: center;
    gap: 12px;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 9px 12px;
    cursor: pointer;
    transition: var(--transition-fast);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.03);
    user-select: none;
}

.component-check-card:hover {
    background: #f8fafc;
    border-color: #0f172a;
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
}

.component-check-card.active {
    border-color: #0f172a;
    background: #f1f5f9;
}

.comp-chk-wrapper {
    display: flex;
    align-items: center;
}

.comp-chk-input {
    width: 18px;
    height: 18px;
    accent-color: #0f172a;
    cursor: pointer;
}

.component-check-card .comp-info {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.component-check-card .comp-name {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-main);
}

.btn-exploded {
    background: #ffffff;
    border: 1px solid var(--border-color);
    color: var(--text-main);
    width: 32px;
    height: 32px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-exploded:hover {
    background: #0f172a;
    color: #ffffff;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
}
.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: #0f172a;
}