/* ========================================
   CONFIGURATOR – Premium Interactive UI
   Glassmorphism, micro-animations, depth
   ======================================== */

/* --- Design Tokens --- */
:root {
    --cfg-radius: 16px;
    --cfg-radius-sm: 10px;
    --cfg-shadow: 0 4px 24px rgba(0,0,0,.07);
    --cfg-shadow-lg: 0 12px 40px rgba(0,0,0,.1);
    --cfg-shadow-hover: 0 8px 32px rgba(0,0,0,.12);
    --cfg-accent: var(--primary, #ff6b6b);
    --cfg-accent-dark: #e85d5d;
    --cfg-accent-soft: rgba(255,107,107,.08);
    --cfg-accent-medium: rgba(255,107,107,.15);
    --cfg-bg: #f4f5fa;
    --cfg-card: #fff;
    --cfg-border: #e8eaef;
    --cfg-text: #1a1a2e;
    --cfg-text-secondary: #4a4a6a;
    --cfg-muted: #8a8fa0;
    --cfg-success: #22c55e;
    --cfg-success-soft: rgba(34,197,94,.1);
    --cfg-info: #3b82f6;
    --cfg-transition: .28s cubic-bezier(.4,0,.2,1);
    --cfg-bounce: .4s cubic-bezier(.34,1.56,.64,1);
    --cfg-glass: rgba(255,255,255,.7);
    --cfg-glass-border: rgba(255,255,255,.3);
}

/* --- Progress Bar (4 steps) --- */
.cfg-progress {
    background: var(--cfg-card);
    padding: 1.5rem 0 1.15rem;
    box-shadow: 0 1px 12px rgba(0,0,0,.05);
    position: sticky;
    top: 72px;
    z-index: 90;
    backdrop-filter: blur(12px);
}

.cfg-progress .container { position: relative; max-width: 680px; }

.cfg-progress-track {
    position: absolute;
    top: 22px;
    left: 36px;
    right: 36px;
    height: 3px;
    background: var(--cfg-border);
    border-radius: 3px;
    z-index: 0;
}

.cfg-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--cfg-accent), var(--secondary, #ffc81a));
    border-radius: 3px;
    width: 0%;
    transition: width .6s cubic-bezier(.4,0,.2,1);
    box-shadow: 0 0 12px rgba(255,107,107,.3);
}

.cfg-progress-steps {
    display: flex;
    justify-content: space-between;
    position: relative;
    z-index: 1;
}

.cfg-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .4rem;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.cfg-step span {
    font-size: .72rem;
    font-weight: 500;
    color: var(--cfg-muted);
    transition: all var(--cfg-transition);
    letter-spacing: .02em;
}

.cfg-step-dot {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--cfg-card);
    border: 2.5px solid var(--cfg-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .9rem;
    color: var(--cfg-muted);
    transition: all var(--cfg-bounce);
    position: relative;
}

.cfg-step.active .cfg-step-dot {
    border-color: var(--cfg-accent);
    color: var(--cfg-accent);
    background: var(--cfg-accent-soft);
    box-shadow: 0 0 0 6px var(--cfg-accent-soft), 0 2px 12px rgba(255,107,107,.2);
    transform: scale(1.12);
    animation: cfgPulseRing 2s ease-in-out infinite;
}

@keyframes cfgPulseRing {
    0%, 100% { box-shadow: 0 0 0 6px var(--cfg-accent-soft), 0 2px 12px rgba(255,107,107,.2); }
    50%      { box-shadow: 0 0 0 10px rgba(255,107,107,.06), 0 2px 12px rgba(255,107,107,.15); }
}

.cfg-step.active span { color: var(--cfg-accent); font-weight: 600; }

.cfg-step.done .cfg-step-dot {
    background: var(--cfg-success);
    border-color: var(--cfg-success);
    color: #fff;
    box-shadow: 0 2px 10px rgba(34,197,94,.25);
}

.cfg-step.done span { color: var(--cfg-success); font-weight: 500; }

/* --- Layout --- */
.cfg-main {
    background: var(--cfg-bg);
    padding: 2.5rem 0 7rem;
    min-height: 80vh;
}

.cfg-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    align-items: start;
}

/* --- Preview Panel --- */
.cfg-preview {
    position: sticky;
    top: 180px;
}

.cfg-preview-card {
    background: var(--cfg-card);
    border-radius: var(--cfg-radius);
    box-shadow: var(--cfg-shadow);
    overflow: hidden;
    border: 1px solid var(--cfg-border);
    transition: box-shadow var(--cfg-transition);
}

.cfg-preview-card:hover {
    box-shadow: var(--cfg-shadow-hover);
}

.cfg-preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--cfg-border);
    background: linear-gradient(135deg, rgba(255,107,107,.03) 0%, rgba(255,200,26,.03) 100%);
}

.cfg-preview-header h2 {
    font-size: 1rem;
    margin: 0;
    font-weight: 600;
    color: var(--cfg-text);
    display: flex;
    align-items: center;
    gap: .5rem;
}

.cfg-preview-header h2::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--cfg-success);
    box-shadow: 0 0 6px rgba(34,197,94,.4);
    animation: cfgLiveDot 2s ease-in-out infinite;
}

@keyframes cfgLiveDot {
    0%, 100% { opacity: 1; }
    50% { opacity: .4; }
}

.cfg-reset-btn {
    background: none;
    border: 1px solid var(--cfg-border);
    border-radius: 8px;
    padding: .4rem .85rem;
    font-size: .78rem;
    color: var(--cfg-muted);
    cursor: pointer;
    transition: all var(--cfg-transition);
    font-family: inherit;
    font-weight: 500;
}

.cfg-reset-btn:hover {
    border-color: var(--cfg-accent);
    color: var(--cfg-accent);
    background: var(--cfg-accent-soft);
}

.cfg-preview-canvas {
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background:
        radial-gradient(circle at 30% 30%, rgba(255,107,107,.04) 0%, transparent 60%),
        radial-gradient(circle at 70% 70%, rgba(255,200,26,.04) 0%, transparent 60%),
        linear-gradient(135deg, #f8f9fc 0%, #eef0f5 100%);
    position: relative;
    overflow: hidden;
}

.cfg-preview-canvas::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='20' height='20' viewBox='0 0 20 20' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='1' cy='1' r='.6' fill='%23ddd' fill-opacity='.3'/%3E%3C/svg%3E");
    pointer-events: none;
}

.cfg-preview-empty {
    text-align: center;
    color: var(--cfg-muted);
    position: relative;
    z-index: 1;
}

.cfg-preview-empty i {
    font-size: 3.5rem;
    opacity: .25;
    margin-bottom: 1rem;
    display: block;
    color: var(--cfg-accent);
    animation: cfgFloat 3s ease-in-out infinite;
}

@keyframes cfgFloat {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-8px); }
}

.cfg-preview-empty p {
    font-size: .9rem;
    line-height: 1.5;
}

.cfg-preview-choices {
    padding: 1rem 1.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: .45rem;
    min-height: 52px;
    border-top: 1px solid var(--cfg-border);
    background: rgba(244,245,250,.5);
}

.preview-tag {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    padding: .3rem .7rem;
    background: var(--cfg-accent-soft);
    color: var(--cfg-accent);
    border-radius: 20px;
    font-size: .75rem;
    font-weight: 600;
    letter-spacing: .01em;
}

/* --- Preview Layers (real images stacked) --- */
.preview-layers {
    position: relative;
    width: 100%;
    height: 360px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
}

.preview-sole {
    max-width: 55%;
    max-height: 320px;
    object-fit: contain;
    position: relative;
    z-index: 1;
    filter: drop-shadow(0 4px 12px rgba(0,0,0,.15));
}

.preview-strap {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    max-width: 55%;
    max-height: 320px;
    object-fit: contain;
    z-index: 2;
    filter: drop-shadow(0 2px 6px rgba(0,0,0,.12));
}

.preview-ribbon {
    position: absolute;
    top: 8%;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: auto;
    object-fit: contain;
    z-index: 3;
    filter: drop-shadow(0 2px 6px rgba(0,0,0,.15));
}

/* Charm slots on strap */
.preview-charm-slot {
    position: absolute;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px dashed var(--cfg-accent);
    background: rgba(255,107,107,.1);
    color: var(--cfg-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .7rem;
    cursor: pointer;
    z-index: 10;
    transform: translate(-50%, -50%);
    transition: all .2s ease;
    animation: slotPulse 1.5s ease-in-out infinite;
    padding: 0;
    font-family: inherit;
}

.preview-charm-slot:hover {
    background: rgba(255,107,107,.25);
    transform: translate(-50%, -50%) scale(1.15);
    box-shadow: 0 0 12px rgba(255,107,107,.3);
}

@keyframes slotPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255,107,107,.2); }
    50%      { box-shadow: 0 0 0 6px rgba(255,107,107,0); }
}

/* Placed charm on strap */
.preview-charm-placed {
    position: absolute;
    width: 42px;
    height: 42px;
    object-fit: contain;
    z-index: 10;
    transform: translate(-50%, -50%);
    cursor: pointer;
    filter: drop-shadow(0 2px 6px rgba(0,0,0,.2));
    transition: all .2s ease;
    border-radius: 50%;
}

.preview-charm-placed:hover {
    transform: translate(-50%, -50%) scale(1.2);
    filter: drop-shadow(0 4px 10px rgba(255,107,107,.4));
}

/* Charm card placing state */
.charm-card.charm-placing {
    border-color: var(--cfg-accent);
    box-shadow: 0 0 0 3px var(--cfg-accent-medium), 0 4px 16px rgba(255,107,107,.15);
    animation: charmPlacingPulse 1s ease-in-out infinite;
}

@keyframes charmPlacingPulse {
    0%, 100% { box-shadow: 0 0 0 3px var(--cfg-accent-medium); }
    50%      { box-shadow: 0 0 0 6px rgba(255,107,107,.08); }
}

/* --- Step Panels --- */
.cfg-steps {
    min-height: 500px;
}

.cfg-panel {
    display: none;
    background: var(--cfg-card);
    border-radius: var(--cfg-radius);
    box-shadow: var(--cfg-shadow);
    padding: 2rem 2rem 1.75rem;
    border: 1px solid var(--cfg-border);
    animation: cfgSlideIn .4s cubic-bezier(.4,0,.2,1) both;
}

.cfg-panel.active { display: block; }

@keyframes cfgSlideIn {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

.cfg-panel-head {
    margin-bottom: 1.75rem;
}

.cfg-panel-head h2 {
    font-size: 1.4rem;
    margin: 0 0 .35rem;
    font-weight: 700;
    color: var(--cfg-text);
    letter-spacing: -.01em;
}

.cfg-optional {
    font-size: .7rem;
    background: var(--cfg-accent-soft);
    color: var(--cfg-accent);
    padding: .2rem .6rem;
    border-radius: 20px;
    vertical-align: middle;
    font-weight: 600;
    margin-left: .5rem;
    letter-spacing: .03em;
    text-transform: uppercase;
}

.cfg-hint {
    font-size: .85rem;
    color: var(--cfg-muted);
    display: flex;
    align-items: center;
    gap: .4rem;
    margin-top: .25rem;
}

.cfg-hint i { color: var(--cfg-info); font-size: .8rem; }

/* --- Size Tiles --- */
.size-tiles {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: .75rem;
    margin-bottom: 1.5rem;
}

.size-tile {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .25rem;
    padding: 1.15rem .5rem;
    border: 2px solid var(--cfg-border);
    border-radius: var(--cfg-radius-sm);
    background: var(--cfg-card);
    cursor: pointer;
    transition: all var(--cfg-transition);
    font-family: inherit;
    position: relative;
    overflow: hidden;
}

.size-tile::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--cfg-accent-soft) 0%, transparent 60%);
    opacity: 0;
    transition: opacity var(--cfg-transition);
}

.size-tile:hover::before { opacity: 1; }

.size-tile strong {
    font-size: 1.4rem;
    color: var(--cfg-text);
    position: relative;
    transition: color var(--cfg-transition);
}

.size-tile .size-eu { font-size: .72rem; color: var(--cfg-muted); position: relative; }
.size-tile .size-us { font-size: .72rem; color: var(--cfg-muted); position: relative; }
.size-tile .size-extra {
    font-size: .7rem;
    color: var(--cfg-accent);
    font-weight: 600;
    margin-top: .2rem;
    position: relative;
}

.size-tile:hover {
    border-color: var(--cfg-accent);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255,107,107,.1);
}

.size-tile.selected {
    border-color: var(--cfg-accent);
    background: var(--cfg-accent-soft);
    box-shadow: 0 0 0 3px var(--cfg-accent-medium);
    transform: translateY(-2px);
}

.size-tile.selected strong { color: var(--cfg-accent); }

.size-tile.selected::after {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    top: 6px;
    right: 6px;
    width: 20px;
    height: 20px;
    background: var(--cfg-accent);
    color: #fff;
    border-radius: 50%;
    font-size: .55rem;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: cfgCheckPop .3s var(--cfg-bounce) both;
}

@keyframes cfgCheckPop {
    from { transform: scale(0); }
    to   { transform: scale(1); }
}

/* --- Section Divider (within combined panels) --- */
.cfg-section-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--cfg-border), transparent);
    margin: 2rem 0 1.75rem;
}

/* --- Sole Color Swatches --- */
.sole-swatches {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 1.75rem;
    justify-content: center;
}

.sole-swatch {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .45rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    font-family: inherit;
    -webkit-tap-highlight-color: transparent;
}

.swatch-ring {
    width: 68px;
    height: 68px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid transparent;
    box-shadow: 0 3px 12px rgba(0,0,0,.1);
    transition: all var(--cfg-bounce);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.swatch-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    transition: transform var(--cfg-transition);
}

.sole-swatch:hover .swatch-ring {
    transform: scale(1.15);
    box-shadow: 0 6px 20px rgba(0,0,0,.15);
}

.sole-swatch:hover .swatch-img {
    transform: scale(1.1);
}

.sole-swatch.selected .swatch-ring {
    border-color: var(--cfg-accent);
    box-shadow: 0 0 0 4px var(--cfg-accent-medium), 0 4px 16px rgba(255,107,107,.2);
    transform: scale(1.1);
}

.sole-swatch.selected .swatch-ring::after {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: .85rem;
    text-shadow: 0 1px 4px rgba(0,0,0,.5);
    background: rgba(0,0,0,.25);
    border-radius: 50%;
    z-index: 2;
    animation: cfgCheckPop .3s var(--cfg-bounce) both;
}

.swatch-name {
    font-size: .75rem;
    font-weight: 500;
    color: var(--cfg-muted);
    transition: all var(--cfg-transition);
}

.sole-swatch.selected .swatch-name {
    color: var(--cfg-accent);
    font-weight: 600;
}

/* Sole hover tooltip preview */
.sole-swatch .swatch-tooltip {
    position: absolute;
    bottom: calc(100% + 12px);
    left: 50%;
    transform: translateX(-50%) scale(.9);
    width: 140px;
    background: var(--cfg-card);
    border-radius: var(--cfg-radius-sm);
    box-shadow: 0 8px 32px rgba(0,0,0,.15);
    padding: 8px;
    opacity: 0;
    pointer-events: none;
    transition: all .2s ease;
    z-index: 20;
}

.sole-swatch .swatch-tooltip img {
    width: 100%;
    height: auto;
    border-radius: 6px;
}

.sole-swatch:hover .swatch-tooltip {
    opacity: 1;
    transform: translateX(-50%) scale(1);
}

/* --- Strap Swatches (mirrors Sole swatches) --- */
.strap-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 1.75rem;
    justify-content: center;
}

.strap-swatch {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .45rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    font-family: inherit;
    -webkit-tap-highlight-color: transparent;
}

.strap-swatch:hover .swatch-ring {
    transform: scale(1.15);
    box-shadow: 0 6px 20px rgba(0,0,0,.15);
}

.strap-swatch:hover .swatch-img {
    transform: scale(1.1);
}

.strap-swatch.selected .swatch-ring {
    border-color: var(--cfg-accent);
    box-shadow: 0 0 0 4px var(--cfg-accent-medium), 0 4px 16px rgba(255,107,107,.2);
    transform: scale(1.1);
}

.strap-swatch.selected .swatch-ring::after {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: .85rem;
    text-shadow: 0 1px 4px rgba(0,0,0,.5);
    background: rgba(0,0,0,.25);
    border-radius: 50%;
    z-index: 2;
    animation: cfgCheckPop .3s var(--cfg-bounce) both;
}

.strap-swatch.selected .swatch-name {
    color: var(--cfg-accent);
    font-weight: 600;
}

/* --- Charm Grid --- */
.charm-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(105px, 1fr));
    gap: .85rem;
    margin-bottom: 1.5rem;
    max-height: 380px;
    overflow-y: auto;
    padding-right: .25rem;
    scroll-behavior: smooth;
}

.charm-grid::-webkit-scrollbar { width: 5px; }
.charm-grid::-webkit-scrollbar-track { background: transparent; }
.charm-grid::-webkit-scrollbar-thumb {
    background: var(--cfg-border);
    border-radius: 5px;
}
.charm-grid::-webkit-scrollbar-thumb:hover { background: var(--cfg-muted); }

.charm-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .45rem;
    padding: .85rem .5rem .7rem;
    border: 2px solid var(--cfg-border);
    border-radius: var(--cfg-radius-sm);
    background: var(--cfg-card);
    cursor: pointer;
    transition: all var(--cfg-transition);
    position: relative;
    font-family: inherit;
}

.charm-card:hover {
    border-color: var(--cfg-accent);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 6px 18px rgba(255,107,107,.08);
}

.charm-card.selected {
    border-color: var(--cfg-accent);
    background: var(--cfg-accent-soft);
    box-shadow: 0 0 0 3px var(--cfg-accent-medium);
}

.charm-card:active {
    transform: scale(.96);
}

.charm-card-img {
    width: 58px;
    height: 58px;
    object-fit: contain;
    border-radius: 50%;
    filter: drop-shadow(0 2px 5px rgba(0,0,0,.1));
    transition: transform var(--cfg-transition);
}

.charm-card:hover .charm-card-img {
    transform: rotate(-5deg) scale(1.08);
}

.charm-card .charm-label {
    font-size: .72rem;
    font-weight: 600;
    color: var(--cfg-text);
    text-align: center;
    line-height: 1.25;
}

.charm-card .charm-price {
    font-size: .65rem;
    color: var(--cfg-muted);
    font-weight: 500;
}

.charm-card .charm-badge {
    position: absolute;
    top: -7px;
    right: -7px;
    width: 22px;
    height: 22px;
    background: var(--cfg-accent);
    color: #fff;
    border-radius: 50%;
    font-size: .55rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(255,107,107,.3);
    animation: cfgCheckPop .3s var(--cfg-bounce) both;
}

/* --- Charm Tray --- */
.charm-tray {
    background: linear-gradient(135deg, var(--cfg-bg) 0%, rgba(255,107,107,.03) 100%);
    border: 1.5px solid var(--cfg-border);
    border-radius: var(--cfg-radius-sm);
    padding: 1rem 1.1rem;
    margin-bottom: 1.5rem;
    transition: border-color var(--cfg-transition);
}

.charm-tray:has(.charm-pill) {
    border-color: var(--cfg-accent-medium);
}

.charm-tray-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: .75rem;
    font-size: .88rem;
}

.charm-tray-head strong {
    color: var(--cfg-text);
}

.charm-counter {
    background: var(--cfg-accent-soft);
    color: var(--cfg-accent);
    padding: .2rem .6rem;
    border-radius: 20px;
    font-size: .78rem;
    font-weight: 700;
    transition: all var(--cfg-transition);
}

.charm-tray-items { display: flex; flex-wrap: wrap; gap: .5rem; min-height: 34px; }

.charm-tray-empty {
    color: var(--cfg-muted);
    font-size: .82rem;
    font-style: italic;
    margin: 0;
}

.charm-pill {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .35rem .75rem;
    background: var(--cfg-card);
    border: 1.5px solid var(--cfg-border);
    border-radius: 24px;
    font-size: .78rem;
    font-weight: 500;
    color: var(--cfg-text);
    animation: cfgPillIn .3s var(--cfg-bounce) both;
    transition: all var(--cfg-transition);
    box-shadow: 0 1px 4px rgba(0,0,0,.04);
}

.charm-pill:hover {
    border-color: var(--cfg-accent);
    box-shadow: 0 2px 8px rgba(255,107,107,.1);
}

@keyframes cfgPillIn {
    from { opacity: 0; transform: scale(.7) translateY(4px); }
    to   { opacity: 1; transform: scale(1) translateY(0); }
}

.charm-pill-img {
    width: 22px;
    height: 22px;
    object-fit: contain;
    border-radius: 50%;
}

.charm-pill-x {
    background: none;
    border: none;
    color: var(--cfg-muted);
    cursor: pointer;
    font-size: .9rem;
    padding: 0;
    line-height: 1;
    transition: all var(--cfg-transition);
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.charm-pill-x:hover {
    color: #fff;
    background: var(--cfg-accent);
}

/* --- Ribbon Grid --- */
.ribbon-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(145px, 1fr));
    gap: 1rem;
    margin-bottom: 1.75rem;
}

.ribbon-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .55rem;
    padding: 1.35rem 1rem 1rem;
    border: 2px solid var(--cfg-border);
    border-radius: var(--cfg-radius-sm);
    background: var(--cfg-card);
    cursor: pointer;
    transition: all var(--cfg-transition);
    position: relative;
    font-family: inherit;
    overflow: hidden;
}

.ribbon-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--cfg-accent), var(--secondary, #ffc81a));
    opacity: 0;
    transition: opacity var(--cfg-transition);
}

.ribbon-card:hover::before { opacity: 1; }

.ribbon-card:hover {
    border-color: var(--cfg-accent);
    transform: translateY(-4px);
    box-shadow: 0 8px 28px rgba(255,107,107,.1);
}

.ribbon-card.selected {
    border-color: var(--cfg-accent);
    background: var(--cfg-accent-soft);
    box-shadow: 0 0 0 3px var(--cfg-accent-medium);
}

.ribbon-card.selected::before { opacity: 1; }

.ribbon-card-img {
    width: 90px;
    height: 72px;
    object-fit: contain;
    filter: drop-shadow(0 3px 8px rgba(0,0,0,.1));
    transition: transform var(--cfg-transition);
}

.ribbon-card:hover .ribbon-card-img {
    transform: scale(1.08) rotate(-3deg);
}

.ribbon-card-name {
    font-size: .85rem;
    font-weight: 700;
    color: var(--cfg-text);
}

.ribbon-card-price {
    font-size: .75rem;
    color: var(--cfg-muted);
    font-weight: 500;
    background: var(--cfg-bg);
    padding: .15rem .5rem;
    border-radius: 12px;
}

.ribbon-badge {
    position: absolute;
    top: -7px;
    right: -7px;
    width: 24px;
    height: 24px;
    background: var(--cfg-accent);
    color: #fff;
    border-radius: 50%;
    font-size: .6rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(255,107,107,.3);
    animation: cfgCheckPop .3s var(--cfg-bounce) both;
}

/* --- Navigation --- */
.cfg-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--cfg-border);
}

.cfg-back {
    background: none;
    border: none;
    color: var(--cfg-muted);
    font-size: .9rem;
    cursor: pointer;
    font-family: inherit;
    font-weight: 500;
    transition: all var(--cfg-transition);
    display: flex;
    align-items: center;
    gap: .35rem;
    padding: .5rem .25rem;
}

.cfg-back:hover {
    color: var(--cfg-accent);
    transform: translateX(-3px);
}

.cfg-next {
    font-size: .92rem;
    padding: .8rem 1.85rem;
    display: flex;
    align-items: center;
    gap: .45rem;
    border-radius: var(--cfg-radius-sm);
    font-weight: 600;
    transition: all var(--cfg-transition);
    position: relative;
    overflow: hidden;
}

.cfg-next:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255,107,107,.3);
}

.cfg-next:hover i {
    animation: cfgArrowBounce .4s ease;
}

@keyframes cfgArrowBounce {
    0%, 100% { transform: translateX(0); }
    50%      { transform: translateX(4px); }
}

.cfg-cart-btn {
    font-size: .95rem;
    padding: .85rem 2rem;
    display: flex;
    align-items: center;
    gap: .5rem;
    background: linear-gradient(135deg, var(--cfg-accent), var(--cfg-accent-dark));
    color: #fff;
    border: none;
    border-radius: var(--cfg-radius-sm);
    cursor: pointer;
    font-family: inherit;
    font-weight: 700;
    box-shadow: 0 4px 16px rgba(255,107,107,.35);
    transition: all var(--cfg-transition);
    position: relative;
    overflow: hidden;
    letter-spacing: .01em;
}

.cfg-cart-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,.2), transparent);
    transition: left .5s ease;
}

.cfg-cart-btn:hover::before {
    left: 100%;
}

.cfg-cart-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 28px rgba(255,107,107,.45);
}

.cfg-cart-btn:active {
    transform: translateY(0) scale(.98);
}

/* --- Sticky Summary --- */
.cfg-sticky {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(255,255,255,.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid var(--cfg-border);
    box-shadow: 0 -4px 24px rgba(0,0,0,.06);
    padding: .75rem 0;
    z-index: 200;
}

.cfg-sticky-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.cfg-sticky-chips { display: flex; flex-wrap: wrap; gap: .4rem; }

.cfg-chip {
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    padding: .3rem .65rem;
    background: var(--cfg-bg);
    border-radius: 20px;
    font-size: .74rem;
    color: var(--cfg-muted);
    white-space: nowrap;
    border: 1px solid transparent;
    transition: all var(--cfg-transition);
}

.cfg-chip b { color: var(--cfg-text); font-weight: 600; }

.cfg-chip:has(b:not(:empty)) {
    border-color: var(--cfg-border);
}

.cfg-sticky-right {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    flex-shrink: 0;
}

.cfg-sticky-ship {
    font-size: .78rem;
    color: var(--cfg-success);
    display: flex;
    align-items: center;
    gap: .3rem;
    font-weight: 500;
}

.cfg-sticky-price {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--cfg-accent);
    letter-spacing: -.01em;
    transition: all .3s ease;
}

.cfg-sticky-price.price-bump {
    animation: cfgPriceBump .4s var(--cfg-bounce);
}

@keyframes cfgPriceBump {
    0%   { transform: scale(1); }
    40%  { transform: scale(1.15); }
    100% { transform: scale(1); }
}

/* --- Modal --- */
.cfg-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity .3s ease;
}

.cfg-modal-overlay.visible {
    opacity: 1;
    pointer-events: all;
}

.cfg-modal {
    background: var(--cfg-card);
    border-radius: 20px;
    padding: 2.5rem 2rem 2rem;
    max-width: 460px;
    width: 92%;
    position: relative;
    animation: cfgModalIn .4s var(--cfg-bounce) both;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0,0,0,.15);
}

@keyframes cfgModalIn {
    from { transform: translateY(40px) scale(.94); opacity: 0; }
    to   { transform: translateY(0) scale(1); opacity: 1; }
}

.cfg-modal-close {
    position: absolute;
    top: .75rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--cfg-muted);
    cursor: pointer;
    line-height: 1;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--cfg-transition);
}

.cfg-modal-close:hover {
    color: var(--cfg-accent);
    background: var(--cfg-accent-soft);
}

.cfg-modal-icon {
    font-size: 3rem;
    color: var(--cfg-success);
    margin-bottom: .75rem;
    animation: cfgSuccessBounce .5s var(--cfg-bounce) both;
}

@keyframes cfgSuccessBounce {
    from { transform: scale(0) rotate(-15deg); }
    to   { transform: scale(1) rotate(0); }
}

.cfg-modal h2 { font-size: 1.35rem; margin-bottom: .35rem; font-weight: 700; color: var(--cfg-text); }
.cfg-modal-sub { color: var(--cfg-muted); font-size: .9rem; margin-bottom: 1.5rem; }

.cfg-modal-preview {
    margin-bottom: 1.25rem;
    max-height: 200px;
    overflow: hidden;
    border-radius: var(--cfg-radius-sm);
    background: var(--cfg-bg);
}

.cfg-modal-preview .preview-layers { height: 180px; }
.cfg-modal-preview .preview-sole { max-width: 40%; max-height: 160px; }
.cfg-modal-preview .preview-strap { max-width: 40%; max-height: 160px; }

.cfg-modal-details {
    margin-bottom: 1.5rem;
    font-size: .9rem;
}

.cfg-modal-details .recipe-line {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    flex-wrap: wrap;
    color: var(--cfg-text-secondary);
    font-weight: 500;
}

.cfg-modal-details .recipe-price {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--cfg-accent);
    margin-top: .75rem;
}

.cfg-modal-actions {
    display: flex;
    gap: .6rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cfg-download-btn,
.cfg-share-btn {
    background: var(--cfg-bg);
    color: var(--cfg-text);
    border: 1.5px solid var(--cfg-border);
    font-weight: 600;
}

.cfg-download-btn:hover {
    border-color: var(--cfg-success);
    color: var(--cfg-success);
    background: var(--cfg-success-soft);
}

.cfg-share-btn:hover {
    border-color: var(--cfg-accent);
    color: var(--cfg-accent);
    background: var(--cfg-accent-soft);
}

/* --- Confetti Canvas --- */
#confetti-canvas {
    position: fixed;
    inset: 0;
    z-index: 2500;
    pointer-events: none;
}

/* --- Toast --- */
.toast-container {
    position: fixed;
    top: 90px;
    right: 20px;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: .5rem;
}

.toast {
    background: var(--cfg-card);
    border-left: 4px solid var(--cfg-accent);
    padding: .75rem 1.25rem;
    border-radius: 10px;
    box-shadow: 0 4px 24px rgba(0,0,0,.1);
    font-size: .85rem;
    color: var(--cfg-text);
    animation: toastIn .35s var(--cfg-bounce);
    max-width: 320px;
    font-weight: 500;
}

.toast.success { border-left-color: var(--cfg-success); }
.toast.info    { border-left-color: var(--cfg-info); }

@keyframes toastIn {
    from { opacity: 0; transform: translateX(40px) scale(.95); }
    to   { opacity: 1; transform: translateX(0) scale(1); }
}

.toast.out { animation: toastOut .3s ease forwards; }

@keyframes toastOut {
    to { opacity: 0; transform: translateX(40px) scale(.95); }
}

/* --- Price Update Animation --- */
.price-update {
    display: inline-block;
    animation: cfgPriceFlash .4s ease;
}

@keyframes cfgPriceFlash {
    0%   { color: var(--cfg-accent); transform: scale(1); }
    30%  { color: var(--cfg-success); transform: scale(1.08); }
    100% { color: var(--cfg-accent); transform: scale(1); }
}

/* --- Shake animation for validation --- */
@keyframes cfgShake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-6px); }
    40% { transform: translateX(6px); }
    60% { transform: translateX(-4px); }
    80% { transform: translateX(4px); }
}

/* --- Scroll Reveal --- */
.cfg-reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: all .5s cubic-bezier(.4,0,.2,1);
}

.cfg-reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   RESPONSIVE – Mobile-first premium experience
   ============================================ */
@media (max-width: 968px) {
    .cfg-layout {
        grid-template-columns: 1fr;
    }

    /* ---- Progress bar: sleek fixed strip ---- */
    .cfg-progress {
        position: fixed;
        top: 56px;
        left: 0;
        right: 0;
        z-index: 95;
        padding: .55rem .5rem .45rem;
        box-shadow: 0 2px 12px rgba(0,0,0,.06);
        background: rgba(255,255,255,.95);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
    }
    .cfg-progress .container { max-width: 100%; padding: 0 .5rem; }
    .cfg-progress-track { top: 18px; left: 24px; right: 24px; height: 2.5px; }
    .cfg-step-dot {
        width: 28px; height: 28px; font-size: .6rem;
        border-width: 2px;
    }
    .cfg-step span { font-size: .6rem; letter-spacing: .01em; }
    .cfg-step.active .cfg-step-dot {
        box-shadow: 0 0 0 4px var(--cfg-accent-soft), 0 2px 8px rgba(255,107,107,.15);
        transform: scale(1.1);
    }

    /* ---- Fixed preview: compact & clean ---- */
    .cfg-preview {
        order: -1;
        position: fixed;
        top: 110px;
        left: 0;
        right: 0;
        z-index: 85;
        padding: 0;
    }

    .cfg-preview-card {
        border-radius: 0;
        border-left: 0;
        border-right: 0;
        box-shadow: 0 3px 16px rgba(0,0,0,.07);
    }

    .cfg-preview-header {
        padding: .35rem .85rem;
        background: linear-gradient(135deg, rgba(255,107,107,.03) 0%, rgba(255,200,26,.02) 100%);
    }
    .cfg-preview-header h2 { font-size: .75rem; gap: .35rem; }
    .cfg-preview-header h2::before { width: 6px; height: 6px; }

    .cfg-reset-btn {
        padding: .3rem .65rem;
        font-size: .7rem;
        border-radius: 6px;
    }

    .cfg-preview-canvas {
        min-height: 160px;
        padding: .65rem;
        background:
            radial-gradient(circle at 30% 30%, rgba(255,107,107,.03) 0%, transparent 60%),
            linear-gradient(135deg, #f9fafe 0%, #f0f2f7 100%);
    }
    .cfg-preview-canvas::before { opacity: .4; }

    .preview-layers { height: 145px; }

    .cfg-preview-choices {
        padding: .4rem .85rem;
        min-height: 0;
        gap: .3rem;
    }
    .preview-tag { font-size: .65rem; padding: .18rem .45rem; border-radius: 14px; }

    .cfg-steps { order: 2; }

    /* ---- Show all panels – single-page flow ---- */
    .cfg-panel {
        display: block !important;
        margin-bottom: .75rem;
        animation: none;
        border-radius: 14px;
        padding: 1.25rem 1rem 1.15rem;
        border-color: var(--cfg-border);
        transition: border-color .3s ease, box-shadow .3s ease;
    }

    /* Hide per-step nav on mobile, show the final cart button only */
    .cfg-nav { display: none; }
    #step-4 .cfg-nav {
        display: flex;
        flex-direction: column-reverse;
        gap: .65rem;
        margin-top: 1.25rem;
        padding-top: 1rem;
    }
    #step-4 .cfg-nav .cfg-back { display: none; }
    #step-4 .cfg-nav .cfg-cart-btn {
        width: 100%;
        justify-content: center;
        padding: .9rem 1.5rem;
        font-size: .92rem;
        border-radius: 12px;
        letter-spacing: .01em;
    }

    /* ---- Panel headings with step indicator ---- */
    .cfg-panel-head {
        margin-bottom: .85rem;
        display: flex;
        align-items: center;
        gap: .6rem;
    }
    .cfg-panel-head h2 {
        font-size: 1rem;
        letter-spacing: -.005em;
        margin: 0;
    }
    .cfg-optional {
        font-size: .6rem;
        padding: .15rem .45rem;
        margin-left: .3rem;
    }

    /* ---- Section divider ---- */
    .cfg-section-divider { margin: 1rem 0; }

    /* ---- Size tiles: compact grid with better touch targets ---- */
    .size-tiles {
        grid-template-columns: repeat(5, 1fr);
        gap: .5rem;
    }
    .size-tile {
        padding: .65rem .35rem;
        gap: .15rem;
        border-width: 1.5px;
        border-radius: 10px;
        min-height: 60px;
    }
    .size-tile strong { font-size: 1.05rem; }
    .size-tile .size-eu { font-size: .58rem; }
    .size-tile .size-us { font-size: .58rem; }
    .size-tile .size-extra { font-size: .56rem; margin-top: .1rem; }
    .size-tile:hover { transform: none; }
    .size-tile:active { transform: scale(.96); }
    .size-tile.selected { transform: none; }
    .size-tile.selected::after {
        width: 16px; height: 16px; font-size: .45rem;
        top: 3px; right: 3px;
    }

    /* ---- Sole swatches ---- */
    .sole-swatches { gap: .85rem; margin-bottom: 1rem; justify-content: flex-start; }
    .swatch-ring { width: 54px; height: 54px; border-width: 2.5px; }
    .swatch-name { font-size: .65rem; }
    .sole-swatch:hover .swatch-ring { transform: none; }
    .sole-swatch:active .swatch-ring { transform: scale(.93); }
    .sole-swatch .swatch-tooltip { display: none; }

    /* ---- Strap swatches ---- */
    .strap-grid { gap: .85rem; margin-bottom: 1rem; justify-content: flex-start; }
    .strap-swatch:hover .swatch-ring { transform: none; }
    .strap-swatch:active .swatch-ring { transform: scale(.93); }

    /* ---- Charm grid ---- */
    .charm-grid {
        grid-template-columns: repeat(auto-fill, minmax(78px, 1fr));
        gap: .5rem;
        max-height: 260px;
        margin-bottom: .85rem;
        padding-right: .15rem;
        scrollbar-width: thin;
    }
    .charm-card {
        padding: .55rem .35rem .45rem;
        gap: .25rem;
        border-radius: 10px;
        border-width: 1.5px;
    }
    .charm-card:hover { transform: none; }
    .charm-card:active { transform: scale(.95); }
    .charm-card-img { width: 40px; height: 40px; }
    .charm-card .charm-label { font-size: .62rem; }
    .charm-card .charm-price { font-size: .56rem; }
    .charm-card .charm-badge { width: 19px; height: 19px; font-size: .48rem; top: -5px; right: -5px; }

    /* ---- Charm tray ---- */
    .charm-tray {
        padding: .7rem .8rem;
        margin-bottom: .85rem;
        border-radius: 10px;
    }
    .charm-tray-head { font-size: .78rem; margin-bottom: .45rem; }
    .charm-counter { font-size: .72rem; padding: .15rem .5rem; }
    .charm-pill { font-size: .7rem; padding: .22rem .55rem; gap: .3rem; border-radius: 20px; }
    .charm-pill-img { width: 18px; height: 18px; }
    .charm-pill-x { width: 16px; height: 16px; font-size: .8rem; }
    .charm-tray-empty { font-size: .75rem; }

    /* ---- Ribbon grid ---- */
    .ribbon-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: .55rem;
        margin-bottom: 1rem;
    }
    .ribbon-card {
        padding: .8rem .55rem .65rem;
        gap: .35rem;
        border-radius: 10px;
        border-width: 1.5px;
    }
    .ribbon-card:hover { transform: none; }
    .ribbon-card:active { transform: scale(.97); }
    .ribbon-card-img { width: 60px; height: 48px; }
    .ribbon-card-name { font-size: .75rem; }
    .ribbon-card-price { font-size: .65rem; padding: .1rem .4rem; }
    .ribbon-badge { width: 20px; height: 20px; font-size: .5rem; }

    /* ---- Main area ---- */
    .cfg-main {
        padding: .75rem 0 7rem;
        background: linear-gradient(180deg, #f4f5fa 0%, #eef0f6 100%);
    }
    .cfg-main .container { padding: 0 .65rem; }

    /* ---- Sticky summary: glass bar ---- */
    .cfg-sticky {
        padding: .6rem 0;
        background: rgba(255,255,255,.88);
        box-shadow: 0 -2px 20px rgba(0,0,0,.06);
    }
    .cfg-sticky-inner {
        flex-direction: row;
        align-items: center;
        gap: .5rem;
        flex-wrap: nowrap;
    }
    .cfg-sticky-chips {
        gap: .25rem;
        overflow-x: auto;
        flex: 1;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }
    .cfg-sticky-chips::-webkit-scrollbar { display: none; }
    .cfg-chip {
        font-size: .62rem;
        padding: .18rem .42rem;
        white-space: nowrap;
        flex-shrink: 0;
        border-radius: 16px;
    }
    .cfg-sticky-right {
        flex-shrink: 0;
        gap: .5rem;
    }
    .cfg-sticky-ship { font-size: .68rem; display: none; }
    .cfg-sticky-price { font-size: 1.05rem; }

    /* ---- Preview sole/strap scale ---- */
    .preview-sole { max-width: 44%; max-height: 90%; }
    .preview-strap { max-width: 44%; max-height: 90%; }
    .preview-ribbon { width: 32px; }
    .preview-charm-slot { width: 22px; height: 22px; font-size: .5rem; border-width: 1.5px; }
    .preview-charm-placed { width: 26px; height: 26px; }

    /* ---- Active panel highlight ---- */
    .cfg-panel.mobile-active {
        border-color: var(--cfg-accent);
        box-shadow: 0 0 0 1.5px var(--cfg-accent-soft), 0 4px 16px rgba(255,107,107,.06);
    }

    /* ---- Modal mobile tweaks ---- */
    .cfg-modal {
        padding: 2rem 1.25rem 1.5rem;
        border-radius: 16px;
        width: 94%;
        max-width: 380px;
    }
    .cfg-modal-icon { font-size: 2.5rem; margin-bottom: .5rem; }
    .cfg-modal h2 { font-size: 1.15rem; }
    .cfg-modal-sub { font-size: .82rem; margin-bottom: 1rem; }
    .cfg-modal-preview { max-height: 160px; border-radius: 10px; margin-bottom: 1rem; }
    .cfg-modal-preview .preview-layers { height: 145px; }
    .cfg-modal-preview .preview-sole { max-width: 38%; max-height: 140px; }
    .cfg-modal-preview .preview-strap { max-width: 38%; max-height: 140px; }
    .cfg-modal-details { margin-bottom: 1rem; }
    .cfg-modal-details .recipe-line { font-size: .8rem; }
    .cfg-modal-details .recipe-price { font-size: 1.25rem; margin-top: .5rem; }
    .cfg-modal-actions { gap: .45rem; }
    .cfg-modal-actions .btn {
        font-size: .78rem;
        padding: .55rem .8rem;
        border-radius: 10px;
    }

    /* ---- Toast ---- */
    .toast-container { top: auto; bottom: 80px; right: 12px; left: 12px; align-items: center; }
    .toast {
        max-width: 100%;
        font-size: .8rem;
        padding: .6rem 1rem;
        border-radius: 10px;
        text-align: center;
        box-shadow: 0 4px 20px rgba(0,0,0,.12);
    }
}

@media (max-width: 640px) {
    .cfg-preview-canvas {
        min-height: 140px;
        padding: .5rem;
    }
    .preview-layers { height: 125px; }

    .size-tiles { grid-template-columns: repeat(5, 1fr); gap: .4rem; }
    .size-tile { padding: .5rem .25rem; min-height: 54px; }
    .size-tile strong { font-size: .92rem; }
    .size-tile .size-eu { font-size: .52rem; }
    .size-tile .size-us { font-size: .52rem; }

    .sole-swatches { gap: .7rem; }
    .swatch-ring { width: 48px; height: 48px; }

    .strap-grid { gap: .7rem; }

    .charm-grid { grid-template-columns: repeat(auto-fill, minmax(70px, 1fr)); }
    .charm-card-img { width: 36px; height: 36px; }
}

@media (max-width: 400px) {
    .cfg-preview-canvas { min-height: 120px; }
    .preview-layers { height: 110px; }

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

    .charm-grid { grid-template-columns: repeat(3, 1fr); }
    .strap-grid { gap: .6rem; }

    .cfg-panel { padding: 1rem .85rem; }
    .cfg-panel-head h2 { font-size: .95rem; }
}