/* ============================================================
   Profil Designer — "Precision Atelier" Design System
   ============================================================
   Translates the industrial-editorial design language into
   CSS custom properties + component classes for Blazor.
   ============================================================ */

/* ── 1. Design Tokens ─────────────────────────────────────── */
:root {
    /* Surface hierarchy (light → dark layering) */
    --pd-surface:                 #f7f9fb;
    --pd-surface-container-lowest:#ffffff;
    --pd-surface-container-low:   #f2f4f6;
    --pd-surface-container:       #eceef0;
    --pd-surface-container-high:  #e6e8ea;
    --pd-surface-container-highest:#e0e3e5;
    --pd-surface-dim:             #d8dadc;

    /* Primary (Caution Orange) */
    --pd-primary:                 #9d4300;
    --pd-primary-container:       #f97316;
    --pd-on-primary:              #ffffff;
    --pd-on-primary-container:    #582200;
    --pd-primary-fixed:           #ffdbca;
    --pd-primary-fixed-dim:       #ffb690;

    /* Secondary */
    --pd-secondary:               #595f66;
    --pd-secondary-container:     #dde3eb;
    --pd-on-secondary:            #ffffff;
    --pd-on-secondary-container:  #5f656c;

    /* Tertiary */
    --pd-tertiary:                #006398;
    --pd-tertiary-container:      #00a2f4;

    /* Neutrals */
    --pd-on-surface:              #191c1e;
    --pd-on-surface-variant:      #584237;
    --pd-on-background:           #191c1e;
    --pd-outline:                 #8c7164;
    --pd-outline-variant:         #e0c0b1;

    /* Semantic */
    --pd-error:                   #ba1a1a;
    --pd-error-container:         #ffdad6;
    --pd-on-error:                #ffffff;

    /* Inverse */
    --pd-inverse-surface:         #2d3133;
    --pd-inverse-on-surface:      #eff1f3;

    /* Typography */
    --pd-font-headline:           'Space Grotesk', system-ui, sans-serif;
    --pd-font-body:               'Inter', system-ui, sans-serif;

    /* Spacing scale (px) */
    --pd-space-1:  0.25rem;
    --pd-space-2:  0.5rem;
    --pd-space-3:  0.75rem;
    --pd-space-4:  1rem;
    --pd-space-5:  1.25rem;
    --pd-space-6:  1.5rem;
    --pd-space-8:  2rem;
    --pd-space-10: 2.5rem;
    --pd-space-12: 3rem;
    --pd-space-16: 4rem;
    --pd-space-20: 5rem;
    --pd-space-24: 6rem;

    /* Radii */
    --pd-radius-sm:  0.25rem;
    --pd-radius-md:  0.5rem;
    --pd-radius-lg:  0.75rem;
    --pd-radius-xl:  1rem;

    /* Shadows — ambient only, never default drop shadows */
    --pd-shadow-ambient: 0 20px 40px rgba(25, 28, 30, 0.06);
    --pd-shadow-sm:      0 4px 12px rgba(25, 28, 30, 0.04);
}


/* ── 2. Base Reset & Typography ───────────────────────────── */
.pd-root {
    font-family: var(--pd-font-body);
    color: var(--pd-on-surface);
    background: var(--pd-surface);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;

    /* Override Bootstrap primary to match our design tokens */
    --bs-primary: var(--pd-primary);
    --bs-primary-rgb: 157, 67, 0;
}

.pd-root *,
.pd-root *::before,
.pd-root *::after {
    box-sizing: border-box;
}

/* Headlines — Space Grotesk */
.pd-headline {
    font-family: var(--pd-font-headline);
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--pd-on-surface);
    line-height: 1.2;
}

/* Stamped-metal category labels */
.pd-label {
    font-family: var(--pd-font-body);
    font-size: 0.625rem;       /* 10px */
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--pd-secondary);
}

/* Body text */
.pd-body-sm {
    font-family: var(--pd-font-body);
    font-size: 0.75rem;
    color: var(--pd-on-surface);
    line-height: 1.5;
}

.pd-body-xs {
    font-family: var(--pd-font-body);
    font-size: 0.6875rem;      /* 11px */
    color: var(--pd-secondary);
    line-height: 1.4;
}

.pd-muted {
    color: var(--pd-secondary);
}

.pd-text-primary {
    color: var(--pd-primary);
}


/* ── 3. Page Layout ───────────────────────────────────────── */

/* Top header bar */
.pd-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--pd-space-3) var(--pd-space-6);
    background: var(--pd-surface);
    z-index: 50;
    flex-shrink: 0;
}

.pd-header-title {
    font-family: var(--pd-font-headline);
    font-size: 1.15rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    text-transform: uppercase;
    color: var(--pd-on-surface);
}

.pd-header-nav {
    display: flex;
    align-items: center;
    gap: var(--pd-space-6);
    margin-left: var(--pd-space-8);
}

.pd-header-nav a {
    font-family: var(--pd-font-headline);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: -0.01em;
    color: var(--pd-secondary);
    text-decoration: none;
    padding: var(--pd-space-1) var(--pd-space-2);
    border-radius: var(--pd-radius-sm);
    transition: background 0.15s, color 0.15s;
}

.pd-header-nav a:hover {
    background: rgba(157, 67, 0, 0.06);
    color: var(--pd-on-surface);
}

.pd-header-nav a.active {
    color: var(--pd-primary);
    font-weight: 700;
    border-bottom: 2px solid var(--pd-primary);
}

.pd-header-actions {
    display: flex;
    align-items: center;
    gap: var(--pd-space-3);
}

/* Main two-panel body */
.pd-body {
    display: flex;
    flex: 1;
    overflow: hidden;
    min-height: 0;
}

/* Left sidebar — parameters panel */
.pd-sidebar {
    width: 22rem;
    min-width: 22rem;
    max-width: 22rem;
    background: var(--pd-surface-container-low);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    overflow-x: hidden;
    z-index: 40;
}

@media (max-width: 768px) {
    .pd-sidebar {
        width: 100%;
        min-width: 0;
        max-width: 100%;
    }
}

.pd-sidebar-inner {
    padding: var(--pd-space-4);
    display: flex;
    flex-direction: column;
    gap: var(--pd-space-1);
}

.pd-sidebar-header {
    margin-bottom: var(--pd-space-3);
}

.pd-sidebar-version {
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--pd-secondary);
}

/* Right viewport */
.pd-viewport {
    flex: 1;
    position: relative;
    overflow: hidden;
    background: var(--pd-surface-container-lowest);
}

/* Blueprint dot-grid on the viewport */
.pd-blueprint-grid {
    background-image: radial-gradient(circle, var(--pd-surface-container-highest) 1px, transparent 1px);
    background-size: 24px 24px;
}

/* Our own loading overlay — stays until model is confirmed rendered */
.pd-viewer-overlay {
    position: absolute;
    inset: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--pd-surface-container-lowest);
    background-image: radial-gradient(circle, var(--pd-surface-container-highest) 1px, transparent 1px);
    background-size: 24px 24px;
}

/* Ensure viewer loading overlay and canvas match the viewport background */
.pd-viewport .viewer-loading,
.pd-viewport .viewer-loading-default {
    background: var(--pd-surface-container-lowest);
    background-image: radial-gradient(circle, var(--pd-surface-container-highest) 1px, transparent 1px);
    background-size: 24px 24px;
}

.pd-viewport .configurator-viewer,
.pd-viewport .viewer-canvas {
    background: transparent !important;
}


/* ── 4. Sections & Dividers ───────────────────────────────── */

/* Section wrapper — flat, no card background */
.pd-section {
    padding-bottom: var(--pd-space-3);
}

/* Remove bottom padding on the last section before the action bar */
.pd-section:last-of-type {
    padding-bottom: 0;
}

/* Divider line between sections */
.pd-section + .pd-section {
    border-top: 1px solid var(--pd-surface-container-highest);
    padding-top: var(--pd-space-4);
}

/* Suppress the top rule when this section follows another */
.pd-section + .pd-section--no-rule {
    border-top: none;
    padding-top: 0;
}

.pd-section-title {
    font-family: var(--pd-font-headline);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--pd-on-surface);
    margin-bottom: var(--pd-space-3);
    letter-spacing: -0.01em;
}

/* Explicit divider for use within sections */
.pd-divider {
    height: 1px;
    background: var(--pd-surface-container-highest);
    border: none;
    margin: var(--pd-space-3) 0;
}

/* Fieldset — subtle grouping within a flat section */
.pd-fieldset {
    padding-top: var(--pd-space-2);
}

.pd-fieldset-legend {
    font-family: var(--pd-font-headline);
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--pd-on-surface);
    margin-bottom: var(--pd-space-2);
    display: flex;
    align-items: center;
    gap: var(--pd-space-2);
}

.pd-fieldset-legend::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--pd-primary);
    flex-shrink: 0;
}

.pd-fieldset--secondary .pd-fieldset-legend::before {
    background: var(--pd-secondary);
}

/* Fieldset with inner padding for beslag sub-sections */
.pd-fieldset--padded {
    padding: var(--pd-space-3) 0;
    border-top: 1px solid var(--pd-surface-container-highest);
    margin-top: var(--pd-space-2);
}

/* Dimensions display grid */
.pd-dims-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(0, 1fr));
    gap: var(--pd-space-3);
    padding-bottom: var(--pd-space-3);
    margin-bottom: var(--pd-space-3);
}

.pd-dims-grid + .pd-dims-grid {
    border-top: none;
    padding-top: 0;
}

.pd-dim-label {
    font-size: 0.5625rem;  /* 9px */
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--pd-secondary);
    margin-bottom: 2px;
}

/* Dim label with directional arrow icon */
.pd-dim-label--arrow {
    display: flex;
    align-items: center;
}

.pd-dim-label--arrow .material-symbols-outlined {
    font-size: 0.875rem;
    color: var(--pd-primary-container);
}

.pd-dim-value {
    font-family: var(--pd-font-body);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--pd-on-surface);
    font-variant-numeric: tabular-nums;
}


/* ── 4b. Profile Type Picker Grid ─────────────────────────── */

.pd-type-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--pd-space-2);
}

.pd-type-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.2rem;
    padding: var(--pd-space-2) var(--pd-space-1);
    background: var(--pd-surface-container-high);
    border: 2px solid transparent;
    border-radius: var(--pd-radius-md);
    cursor: pointer;
    transition: all 0.15s;
}

/* Profile type SVG icon (mask-image) */
.pd-profile-icon {
    display: inline-block;
    width: 1.5rem;
    height: 1.5rem;
    background-color: var(--pd-secondary);
    -webkit-mask-size: contain;
    mask-size: contain;
    -webkit-mask-repeat: no-repeat;
    mask-repeat: no-repeat;
    -webkit-mask-position: center;
    mask-position: center;
    vertical-align: middle;
    flex-shrink: 0;
    transition: background-color 0.15s;
}

.pd-profile-icon--sm {
    width: 1.1rem;
    height: 1.1rem;
}

.pd-type-btn span:last-child {
    font-family: var(--pd-font-body);
    font-size: 0.5625rem;  /* 9px */
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--pd-secondary);
    transition: color 0.15s;
}

.pd-type-btn:hover {
    background: var(--pd-surface-container-lowest);
}

.pd-type-btn.active {
    background: var(--pd-surface-container-lowest);
    border-color: rgba(157, 67, 0, 0.2);
    box-shadow: var(--pd-shadow-sm);
}

.pd-type-btn.active .pd-profile-icon {
    background-color: var(--pd-primary);
}

.pd-type-btn.active span:last-child {
    color: var(--pd-primary);
}


/* ── 5. Form Controls ─────────────────────────────────────── */

/* Labels above inputs — precision style */
.pd-form-label {
    display: block;
    font-family: var(--pd-font-body);
    font-size: 0.6875rem;    /* 11px */
    font-weight: 600;
    color: var(--pd-secondary);
    margin-bottom: 0.2rem;
}

/* Text/number inputs */
.pd-input {
    width: 100%;
    font-family: var(--pd-font-body);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--pd-on-surface);
    background: #ffffff;
    border: 2px solid transparent;
    border-radius: var(--pd-radius-sm);
    padding: 0.35rem 0.5rem;
    transition: background 0.15s, border-color 0.15s;
    outline: none;
}

.pd-input:focus {
    background: #ffffff;
    border-color: var(--pd-primary);
}

.pd-input::placeholder {
    color: var(--pd-secondary);
    opacity: 0.6;
}

/* Select dropdowns */
.pd-select {
    width: 100%;
    font-family: var(--pd-font-body);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--pd-on-surface);
    background: #ffffff;
    border: 2px solid transparent;
    border-radius: var(--pd-radius-sm);
    padding: 0.35rem 0.5rem;
    padding-right: 1.5rem;
    transition: background 0.15s, border-color 0.15s;
    outline: none;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23595f66' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.4rem center;
}

.pd-select:focus {
    background-color: #ffffff;
    border-color: var(--pd-primary);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239d4300' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
}

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


/* ── 6. Toggle Groups (replaces Bootstrap btn-group) ──────── */

.pd-toggle-group {
    display: flex;
    gap: 2px;
    padding: 2px;
    background: var(--pd-surface-container-high);
    border-radius: var(--pd-radius-md);
}

.pd-toggle-group input[type="radio"] {
    display: none;
}

.pd-toggle-group label {
    flex: 1;
    padding: 0.3rem 0.4rem;
    font-family: var(--pd-font-body);
    font-size: 0.625rem;       /* 10px */
    font-weight: 700;
    text-transform: uppercase;
    text-align: center;
    color: var(--pd-secondary);
    background: transparent;
    border-radius: calc(var(--pd-radius-md) - 2px);
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
    letter-spacing: 0.02em;
    border: none;
    line-height: 1.4;
}

.pd-toggle-group label:hover {
    background: rgba(255, 255, 255, 0.5);
}

.pd-toggle-group input[type="radio"]:checked + label {
    background: var(--pd-surface-container-lowest);
    color: var(--pd-primary);
    box-shadow: var(--pd-shadow-sm);
}


/* ── 7. Buttons ───────────────────────────────────────────── */

/* Primary CTA — gradient */
.pd-btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--pd-space-2);
    padding: 0.65rem 1.25rem;
    font-family: var(--pd-font-headline);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--pd-on-primary);
    background: linear-gradient(135deg, var(--pd-primary), var(--pd-primary-container));
    border: none;
    border-radius: var(--pd-radius-md);
    cursor: pointer;
    transition: filter 0.15s, transform 0.1s;
    box-shadow: 0 4px 16px rgba(157, 67, 0, 0.15);
}

.pd-btn-primary:hover {
    filter: brightness(1.1);
}

.pd-btn-primary:active {
    transform: scale(0.97);
}

.pd-btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    filter: grayscale(0.4);
}

/* Secondary button */
.pd-btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--pd-space-2);
    padding: 0.65rem 1.25rem;
    font-family: var(--pd-font-headline);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--pd-on-surface);
    background: var(--pd-surface-container-high);
    border: none;
    border-radius: var(--pd-radius-md);
    cursor: pointer;
    transition: background 0.15s, transform 0.1s;
}

.pd-btn-secondary:hover {
    background: var(--pd-surface-container-highest);
}

.pd-btn-secondary:active {
    transform: scale(0.97);
}

/* Ghost / tertiary button */
.pd-btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--pd-space-1);
    padding: 0.35rem 0.6rem;
    font-family: var(--pd-font-headline);
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--pd-primary);
    background: transparent;
    border: none;
    border-radius: var(--pd-radius-sm);
    cursor: pointer;
    transition: background 0.15s;
}

.pd-btn-ghost:hover {
    background: rgba(157, 67, 0, 0.06);
}

/* Small icon button */
.pd-btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    padding: 0;
    font-size: 0.75rem;
    color: var(--pd-secondary);
    background: transparent;
    border: 1px solid rgba(224, 192, 177, 0.2);
    border-radius: var(--pd-radius-sm);
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}

.pd-btn-icon:hover {
    background: var(--pd-surface-container-highest);
    color: var(--pd-on-surface);
}

.pd-btn-icon--danger:hover {
    color: var(--pd-error);
    background: var(--pd-error-container);
}

.pd-btn-icon--primary:hover {
    color: var(--pd-primary);
}

.pd-btn-add-hole {
    border: 1.5px solid var(--pd-primary);
    color: var(--pd-primary);
}

.pd-btn-add-hole:hover {
    background: rgba(157, 67, 0, 0.08);
    color: var(--pd-primary);
}

/* Auto-fit toggle for beslag dimensions */
.pd-auto-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.2rem;
    padding: 0.15rem 0.45rem;
    font-family: var(--pd-font-body);
    font-size: 0.6rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--pd-secondary);
    background: var(--pd-surface-container-high);
    border: 1.5px solid transparent;
    border-radius: var(--pd-radius-sm);
    cursor: pointer;
    transition: all 0.15s;
}

.pd-auto-toggle:hover {
    background: var(--pd-surface-container-highest);
}

.pd-auto-toggle.active {
    color: var(--pd-primary);
    border-color: var(--pd-primary);
    background: rgba(157, 67, 0, 0.06);
}

/* Disabled input grid (auto mode on) */
.pd-input-grid--disabled {
    opacity: 0.5;
    pointer-events: none;
}


/* ── 8. Glass Panel (floating overlays) ───────────────────── */
.pd-glass {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--pd-radius-xl);
    box-shadow: var(--pd-shadow-ambient);
}


/* ── 9. Camera View Bar ───────────────────────────────────── */
.pd-camera-bar {
    display: flex;
    align-items: center;
    gap: var(--pd-space-8);
    padding: 0.75rem 1.5rem;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 1rem;
    box-shadow: 0 20px 40px rgba(25, 28, 30, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.pd-camera-bar-divider {
    width: 1px;
    height: 2rem;
    background: var(--pd-surface-container-high);
    flex-shrink: 0;
}

.pd-camera-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.125rem;
    padding: 0;
    font-family: var(--pd-font-label);
    font-size: 9px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--pd-secondary);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: color 0.15s;
}

.pd-camera-btn:hover {
    color: var(--pd-primary);
}

.pd-camera-btn.active {
    color: var(--pd-primary);
}

.pd-camera-btn .material-symbols-outlined {
    font-size: 1.25rem;
}

.pd-camera-btn.active .material-symbols-outlined {
    font-variation-settings: 'FILL' 1;
}


/* ── 10. Hole Editor Items ────────────────────────────────── */

.pd-hole-item {
    background: #f7f8f9;
    border-radius: var(--pd-radius-md);
    padding: var(--pd-space-2) var(--pd-space-3);
    margin-bottom: var(--pd-space-2);
    transition: background 0.15s;
    border: 1px solid rgba(255, 255, 255, 0.8);
}

.pd-hole-item--invalid {
    background: #fef2f2;
    border-color: var(--pd-error);
}

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

.pd-hole-toggle {
    display: flex;
    align-items: center;
    gap: var(--pd-space-1);
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    font-family: var(--pd-font-headline);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--pd-on-surface);
}

.pd-hole-toggle .material-symbols-outlined {
    font-size: 1rem;
    color: var(--pd-secondary);
    transition: transform 0.2s;
}

.pd-hole-toggle .material-symbols-outlined.expanded {
    transform: rotate(90deg);
}

.pd-hole-actions {
    display: flex;
    gap: 4px;
}

.pd-hole-body {
    padding-top: var(--pd-space-2);
}

.pd-hole-error {
    font-size: 0.625rem;
    color: var(--pd-error);
    display: flex;
    align-items: center;
    gap: 4px;
    margin-bottom: var(--pd-space-1);
}

.pd-hole-empty {
    font-size: 0.6875rem;
    color: var(--pd-secondary);
    padding: var(--pd-space-2) 0;
    display: flex;
    align-items: center;
    gap: 4px;
}


/* ── 11. Inline form rows ─────────────────────────────────── */
.pd-form-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--pd-space-3);
}

.pd-form-row + .pd-form-row {
    margin-top: var(--pd-space-2);
}

.pd-form-row .pd-form-label {
    margin-bottom: 0;
    flex-shrink: 0;
}

.pd-form-row .pd-input,
.pd-form-row .pd-select {
    width: 5rem;
    flex-shrink: 0;
}

/* Compact input grid for hole dimensions */
.pd-input-grid {
    display: grid;
    gap: var(--pd-space-2);
}

.pd-input-grid--1 {
    grid-template-columns: 1fr;
}

.pd-input-grid--3 {
    grid-template-columns: repeat(3, 1fr);
}

.pd-input-grid--4 {
    grid-template-columns: repeat(4, 1fr);
}

.pd-input-group {
    display: flex;
    flex-direction: column;
}


/* ── 12. Profile Dimension Info Strip ─────────────────────── */
.pd-info-strip {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    margin-top: var(--pd-space-2);
}

.pd-info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.6875rem;
}

.pd-info-row span:first-child {
    color: var(--pd-secondary);
    font-weight: 500;
}

.pd-info-row span:last-child {
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    color: var(--pd-on-surface);
}


/* ── 13. Link indicator ───────────────────────────────────── */
.pd-link-indicator {
    display: flex;
    align-items: center;
    gap: var(--pd-space-2);
    font-size: 0.6875rem;
    color: var(--pd-secondary);
    padding: var(--pd-space-2) 0;
}

.pd-link-indicator .material-symbols-outlined {
    font-size: 1rem;
}


/* ── 14. Action bar ───────────────────────────────────────── */
.pd-action-bar {
    display: flex;
    gap: var(--pd-space-2);
    padding-top: var(--pd-space-2);
}

.pd-action-bar .pd-btn-primary,
.pd-action-bar .pd-btn-secondary {
    flex: 1;
}


/* ── 15. Material Symbols integration ─────────────────────── */
.material-symbols-outlined {
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
    vertical-align: middle;
    line-height: 1;
}


/* ── 16. Alert / toast override ───────────────────────────── */
.pd-alert {
    font-family: var(--pd-font-body);
    font-size: 0.75rem;
    border-radius: var(--pd-radius-md);
    padding: var(--pd-space-3) var(--pd-space-4);
    background: var(--pd-primary-fixed);
    color: var(--pd-on-primary-container);
    border: none;
}


/* ── 17. Scrollbar styling ────────────────────────────────── */
.pd-sidebar::-webkit-scrollbar {
    width: 4px;
}

.pd-sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.pd-sidebar::-webkit-scrollbar-thumb {
    background: var(--pd-surface-container-highest);
    border-radius: 2px;
}

.pd-sidebar::-webkit-scrollbar-thumb:hover {
    background: var(--pd-surface-dim);
}


/* ── 18. Order HUD (bottom-right glass card) ──────────────── */

.pd-order-hud {
    position: absolute;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 10;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--pd-radius-xl);
    box-shadow: var(--pd-shadow-ambient);
    padding: var(--pd-space-4) var(--pd-space-5);
    width: 15rem;
    display: flex;
    flex-direction: column;
    gap: var(--pd-space-3);
}

.pd-order-hud-info {
    display: flex;
    flex-direction: column;
}

.pd-order-hud-count {
    display: flex;
    align-items: center;
    gap: var(--pd-space-2);
    color: var(--pd-on-surface);
}

.pd-order-hud-count .material-symbols-outlined {
    color: var(--pd-primary-container);
}

.pd-order-hud-actions {
    display: flex;
    flex-direction: column;
}

.pd-order-hud-actions .pd-btn-primary,
.pd-order-hud-actions .pd-btn-secondary {
    width: 100%;
    justify-content: center;
}


/* ── 19. Order List Panel (modal overlay) ─────────────────── */

.pd-list-backdrop {
    position: fixed;
    inset: 0;
    z-index: 100;
    background: rgba(25, 28, 30, 0.1);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.pd-list-panel {
    width: 100%;
    max-width: 56rem;
    max-height: 92vh;
    background: var(--pd-surface-container-lowest);
    border-radius: var(--pd-radius-lg);
    box-shadow: var(--pd-shadow-ambient);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid rgba(224, 192, 177, 0.1);
}

.pd-list-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding: var(--pd-space-6) var(--pd-space-8) var(--pd-space-4);
    background: rgba(242, 244, 246, 0.5);
}

.pd-list-body {
    flex: 1;
    overflow-y: auto;
    padding: var(--pd-space-4) var(--pd-space-8);
}

.pd-list-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--pd-space-3);
    padding: var(--pd-space-16) 0;
}

.pd-list-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--pd-space-4);
    padding: var(--pd-space-4) 0;
}

.pd-list-item + .pd-list-item {
    border-top: 1px solid var(--pd-surface-container-high);
}

.pd-list-item-main {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
    gap: 0.2rem;
    min-width: 0;
}

.pd-list-item-meta {
    display: flex;
    align-items: center;
    gap: var(--pd-space-1);
    font-size: 0.6875rem;
    color: var(--pd-secondary);
}

.pd-list-item-controls {
    display: flex;
    align-items: center;
    gap: var(--pd-space-3);
    flex-shrink: 0;
}

.pd-list-qty {
    display: flex;
    align-items: center;
    gap: var(--pd-space-1);
}

/* Expand toggle button */
.pd-list-expand-btn {
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    color: var(--pd-secondary);
    flex-shrink: 0;
    width: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pd-list-expand-btn .material-symbols-outlined {
    transition: transform 0.2s;
}

.pd-list-expand-btn .material-symbols-outlined.expanded {
    transform: rotate(90deg);
}

/* Wrapping row (summary + detail) */
.pd-list-row + .pd-list-row {
    border-top: 1px solid var(--pd-surface-container-high);
}

/* Detail section (expanded) */
.pd-list-detail {
    padding: 0.5rem 0 1rem 2rem;
    background: rgba(242, 244, 246, 0.3);
    border-top: 1px solid rgba(230, 232, 234, 0.5);
}

.pd-list-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--pd-space-6);
}

/* Plate detail card */
.pd-list-plate {
    display: flex;
    flex-direction: column;
    gap: var(--pd-space-2);
}

.pd-list-plate-header {
    display: flex;
    align-items: center;
    gap: var(--pd-space-2);
    margin-bottom: var(--pd-space-1);
}

.pd-list-plate-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    flex-shrink: 0;
}

.pd-list-plate-dims {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--pd-space-3);
    padding-bottom: var(--pd-space-2);
    margin-bottom: var(--pd-space-2);
    border-bottom: 1px solid var(--pd-surface-container-high);
}

.pd-list-plate-dims > div {
    display: flex;
    flex-direction: column;
}

/* Hole list rows */
.pd-list-holes {
    display: flex;
    flex-direction: column;
}

.pd-list-hole-row {
    display: flex;
    align-items: center;
    gap: var(--pd-space-2);
    padding: var(--pd-space-1) var(--pd-space-2);
    background: var(--pd-surface);
    border-radius: var(--pd-radius-sm);
    margin-bottom: 2px;
    font-variant-numeric: tabular-nums;
}

.pd-list-hole-id {
    width: 1.75rem;
    flex-shrink: 0;
}

/* Offset display in list hole rows */
.pd-list-offset {
    display: inline-flex;
    align-items: center;
    gap: 0.15rem;
}

.pd-offset-arrow--sm {
    font-size: 0.8rem;
    color: var(--pd-primary-container);
    line-height: 1;
}

.pd-list-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--pd-space-3);
    padding: var(--pd-space-4) var(--pd-space-8);
    background: var(--pd-surface-container-low);
    border-top: 1px solid var(--pd-surface-container-highest);
}


/* ── 20. Pivot anchor icons (mask-image for color control) ── */

.pd-pivot-mask {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    background-color: var(--pd-secondary);
    -webkit-mask-size: contain;
    mask-size: contain;
    -webkit-mask-repeat: no-repeat;
    mask-repeat: no-repeat;
    -webkit-mask-position: center;
    mask-position: center;
    vertical-align: middle;
    flex-shrink: 0;
}

/* Legacy img-based pivot icon (list panel) */
.pd-pivot-icon {
    width: 1rem;
    height: 1rem;
    opacity: 0.55;
    vertical-align: middle;
    flex-shrink: 0;
}


/* ── 20b. Placement grid (pivot + offsets) ────────────────── */

.pd-placement-grid {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--pd-space-3);
    align-items: start;
}

.pd-pivot-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3px;
}

.pd-pivot-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    background: var(--pd-surface-container-high);
    border: 2px solid transparent;
    border-radius: var(--pd-radius-sm);
    cursor: pointer;
    transition: all 0.15s;
    padding: 0;
}

.pd-pivot-btn .pd-pivot-mask {
    width: 1.1rem;
    height: 1.1rem;
    background-color: var(--pd-secondary);
    transition: background-color 0.15s;
}

.pd-pivot-btn:hover {
    background: var(--pd-surface-container-lowest);
}

.pd-pivot-btn.active {
    background: var(--pd-surface-container-lowest);
    border-color: rgba(157, 67, 0, 0.25);
    box-shadow: var(--pd-shadow-sm);
}

.pd-pivot-btn.active .pd-pivot-mask {
    background-color: var(--pd-primary);
}

.pd-offset-stack {
    display: flex;
    flex-direction: column;
    gap: var(--pd-space-2);
}

.pd-offset-row {
    display: flex;
    align-items: center;
    gap: var(--pd-space-1);
}

.pd-offset-arrow {
    font-size: 1rem;
    color: var(--pd-primary-container);
    flex-shrink: 0;
    line-height: 1;
}

.pd-offset-row .pd-input {
    flex: 1;
    min-width: 0;
}


/* ── 21. Submit order modal ──────────────────────────────── */
.pd-submit-panel {
    width: 100%;
    max-width: 28rem;
    background: var(--pd-surface-container-lowest);
    border-radius: var(--pd-radius-lg);
    box-shadow: var(--pd-shadow-ambient);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid rgba(224, 192, 177, 0.1);
}

.pd-submit-body {
    padding: var(--pd-space-6) var(--pd-space-8);
    display: flex;
    flex-direction: column;
    gap: var(--pd-space-5);
}

.pd-submit-field {
    display: flex;
    flex-direction: column;
    gap: var(--pd-space-2);
}

@keyframes spin { to { transform: rotate(360deg); } }
.spin { animation: spin 1s linear infinite; }

/* ── 22. Order confirmation ─────────────────────────────── */
.pd-confirmation-overlay {
    position: fixed;
    inset: 0;
    z-index: 100;
    background: var(--pd-surface-container-lowest);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.pd-confirmation-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--pd-space-4);
    padding: var(--pd-space-16);
}

.pd-confirmation-icon {
    width: 4.5rem;
    height: 4.5rem;
    border-radius: 50%;
    background: rgba(17, 52, 97, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--pd-space-2);
}

/* ── 23. Utility helpers ──────────────────────────────────── */
.pd-w-full { width: 100%; }
.pd-flex { display: flex; }
.pd-flex-col { display: flex; flex-direction: column; }
.pd-items-center { align-items: center; }
.pd-justify-between { justify-content: space-between; }
.pd-gap-1 { gap: var(--pd-space-1); }
.pd-gap-2 { gap: var(--pd-space-2); }
.pd-gap-3 { gap: var(--pd-space-3); }
.pd-gap-4 { gap: var(--pd-space-4); }
.pd-mt-2 { margin-top: var(--pd-space-2); }
.pd-mt-3 { margin-top: var(--pd-space-3); }
.pd-mb-2 { margin-bottom: var(--pd-space-2); }
.pd-mb-3 { margin-bottom: var(--pd-space-3); }
.pd-pt-2 { padding-top: var(--pd-space-2); }
.pd-pt-3 { padding-top: var(--pd-space-3); }


/* ============================================================
   Wizard (Guidet) layout — used by /guide
   ============================================================ */

/* Vertical step tracker (left of the menu) */
.pd-wizard-tracker {
    width: 11rem;
    min-width: 11rem;
    background: var(--pd-surface-container);
    display: flex;
    flex-direction: column;
    padding: var(--pd-space-4) var(--pd-space-2);
    gap: var(--pd-space-1);
    overflow-y: auto;
    flex-shrink: 0;
}

.pd-wizard-step {
    display: flex;
    align-items: center;
    gap: var(--pd-space-3);
    padding: var(--pd-space-3) var(--pd-space-3);
    background: transparent;
    border: none;
    border-radius: var(--pd-radius-md);
    cursor: pointer;
    text-align: left;
    transition: all 0.15s;
    color: var(--pd-secondary);
    font-family: var(--pd-font-body);
    width: 100%;
    position: relative;
}

.pd-wizard-step:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.6);
}

.pd-wizard-step.active {
    background: var(--pd-surface-container-lowest);
    color: var(--pd-on-surface);
    box-shadow: var(--pd-shadow-sm);
}

.pd-wizard-step.completed {
    color: var(--pd-on-surface);
}

.pd-wizard-step.disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.pd-wizard-step-num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.75rem;
    height: 1.75rem;
    border-radius: 50%;
    font-family: var(--pd-font-headline);
    font-size: 0.75rem;
    font-weight: 700;
    background: var(--pd-surface-container-highest);
    color: var(--pd-secondary);
    flex-shrink: 0;
    transition: all 0.15s;
}

.pd-wizard-step-num .material-symbols-outlined {
    font-size: 1rem;
}

.pd-wizard-step.active .pd-wizard-step-num {
    background: linear-gradient(135deg, var(--pd-primary), var(--pd-primary-container));
    color: var(--pd-on-primary);
    box-shadow: 0 2px 8px rgba(157, 67, 0, 0.25);
}

.pd-wizard-step.completed .pd-wizard-step-num {
    background: var(--pd-primary);
    color: var(--pd-on-primary);
}

.pd-wizard-step-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.01em;
}

.pd-wizard-step.active .pd-wizard-step-label {
    font-weight: 700;
}

/* Step content panel — wider than the dense sidebar */
.pd-wizard-menu {
    width: 24rem;
    min-width: 24rem;
    max-width: 24rem;
}

.pd-wizard-content {
    height: 100%;
    display: flex;
    flex-direction: column;
}

/* Push nav buttons to the bottom */
.pd-wizard-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--pd-space-3);
    padding: var(--pd-space-4) 0 0;
    margin-top: auto;
    border-top: 1px solid var(--pd-surface-container-highest);
    margin-top: auto;
}

.pd-wizard-nav .pd-btn-primary,
.pd-wizard-nav .pd-btn-secondary {
    flex: 0 0 auto;
}

.pd-wizard-nav > span {
    /* placeholder for missing back button on step 0 */
    flex: 1;
}

/* "Skip" / no-plate state card */
.pd-skip-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--pd-space-6) var(--pd-space-4);
    background: var(--pd-surface-container);
    border-radius: var(--pd-radius-lg);
    border: 1px dashed var(--pd-outline-variant);
}

/* Summary view (step 5) */
.pd-summary {
    display: flex;
    flex-direction: column;
    gap: var(--pd-space-3);
    padding: var(--pd-space-4);
    background: var(--pd-surface-container-lowest);
    border-radius: var(--pd-radius-lg);
}

.pd-summary-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: var(--pd-space-3);
}

.pd-summary-row .pd-body-sm {
    text-align: right;
    color: var(--pd-on-surface);
    font-weight: 500;
}

/* Mobile: stack vertically — tracker becomes horizontal */
@media (max-width: 768px) {
    .pd-wizard-tracker {
        width: 100%;
        min-width: 0;
        flex-direction: row;
        overflow-x: auto;
        padding: var(--pd-space-2);
    }

    .pd-wizard-step {
        flex-direction: column;
        gap: var(--pd-space-1);
        padding: var(--pd-space-2);
        min-width: 5rem;
    }

    .pd-wizard-menu {
        width: 100%;
        min-width: 0;
        max-width: 100%;
    }
}