.sp-page { max-width: 1100px; margin: 0 auto; padding: 20px 16px 40px; }
.sp-grid { display: grid; gap: 12px; }
.sp-grid--3 { grid-template-columns: repeat(3, 1fr); }
.sp-grid--4 { grid-template-columns: repeat(4, 1fr); }

.sp-three-col { display: grid; gap: 20px; grid-template-columns: 1fr 1fr 1fr; }
.sp-two-col { display: grid; gap: 16px; grid-template-columns: 1fr 1fr; }

.sp-controls-group { margin-bottom: 12px; }
.sp-controls-group > label {
    font-size: 13px; font-weight: 600;
    color: var(--text-1); margin-bottom: 4px; display: block;
}
.sp-switch-row { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.sp-switch-row label { font-size: 13px; color: var(--text-1); margin: 0; }

.sp-cta-center { display: flex; justify-content: center; gap: 8px; padding-top: 16px; flex-wrap: wrap; }

.sp-preview-wrap { position: relative; }

.sp-inline-info {
    display: flex; flex-wrap: wrap; gap: 6px;
    font-size: 13px; color: rgba(255,255,255,0.6);
}
.sp-inline-info span { white-space: nowrap; }
.sp-inline-info span + span::before { content: "·"; margin-right: 6px; }

/* Sticker detail: preview + info side-by-side */
.sp-detail-flex { display: flex; gap: 20px; align-items: flex-start; }
.sp-detail-flex__preview { flex: 0 0 200px; max-width: 200px; }
.sp-detail-flex__info { flex: 1; min-width: 0; }

/* Action buttons grid — centered, equal-width per row */
.sp-actions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
}
.sp-actions-grid .ds-btn { width: 100%; text-align: center; }
.sp-actions-grid--2col { grid-template-columns: repeat(2, 1fr); }

/* Upload state */
.sp-upload-wrap { position: relative; min-height: 180px; }

.sp-upload-wrap .sp-two-col { transition: opacity 0.25s ease, transform 0.25s ease; }
.sp-upload-wrap.is-uploading .sp-two-col {
    opacity: 0; transform: scale(0.97); pointer-events: none;
}
.sp-upload-state {
    position: absolute; inset: 0;
    display: flex; flex-direction: column;
    align-items: center; justify-content: center; gap: 14px;
    opacity: 0; pointer-events: none; transition: opacity 0.3s ease 0.15s;
}
.sp-upload-wrap.is-uploading .sp-upload-state { opacity: 1; }
.sp-upload-state__text { font-size: 13px; color: var(--text-3); margin: 0; }


/* ── Material-specific selection effects ── */

.sp-page .ds-selection-card {
    transition: border-color 0.25s ease, box-shadow 0.35s ease, background 0.35s ease, transform 0.25s ease;
}

/* Material hover previews */
#trf:hover { background: rgba(212,114,74,0.03); }
#lum:hover { background: rgba(74,222,128,0.03); }
#hol:hover { background: rgba(84,160,255,0.03); }
#gol:hover { background: rgba(200,162,78,0.03); }
#sil:hover { background: rgba(160,164,170,0.03); }
#egg:hover { background: rgba(139,111,92,0.03); }
#trg:hover { background: rgba(139,127,187,0.03); }
#trm:hover { background: rgba(91,175,183,0.03); }
#vmt:hover { background: rgba(107,125,142,0.03); }
#vgl:hover { background: rgba(90,159,224,0.03); }
#car:hover { background: rgba(181,149,107,0.03); }
#pap:hover { background: rgba(168,149,133,0.03); }

@property --holo-angle {
    syntax: '<angle>';
    inherits: false;
    initial-value: 0deg;
}

/* Holographic — rainbow border spin */
#hol:has(.ds-selection-card__badge:not([style*="none"])) {
    border-color: transparent;
    background:
        linear-gradient(color-mix(in srgb, #c56cf0 4%, var(--surface)), color-mix(in srgb, #48dbfb 4%, var(--surface))) padding-box,
        conic-gradient(from var(--holo-angle),
            #ff6b6b, #feca57, #48dbfb, #ff9ff3, #54a0ff, #c56cf0, #ff6b6b
        ) border-box;
    box-shadow: 0 0 20px -4px rgba(84,160,255,0.3);
    animation: holo-spin 4s linear infinite;
}
@keyframes holo-spin { to { --holo-angle: 360deg; } }

/* Gold — warm shimmer */
#gol:has(.ds-selection-card__badge:not([style*="none"])) {
    border-color: #C8A24E;
    background: rgba(200,162,78,0.08);
    box-shadow: 0 0 14px -3px rgba(200,162,78,0.5);
    animation: mat-shimmer-gold 3s ease-in-out infinite;
}
@keyframes mat-shimmer-gold {
    0%, 100% { box-shadow: 0 0 14px -3px rgba(200,162,78,0.5); }
    50% { box-shadow: 0 0 20px -2px rgba(200,162,78,0.65); }
}

/* Silver — cool shimmer */
#sil:has(.ds-selection-card__badge:not([style*="none"])) {
    border-color: #A0A4AA;
    background: rgba(160,164,170,0.08);
    box-shadow: 0 0 14px -3px rgba(160,164,170,0.5);
    animation: mat-shimmer-silver 3s ease-in-out infinite;
}
@keyframes mat-shimmer-silver {
    0%, 100% { box-shadow: 0 0 14px -3px rgba(160,164,170,0.5); }
    50% { box-shadow: 0 0 20px -2px rgba(160,164,170,0.6); }
}

/* Luminescent — green pulse */
#lum:has(.ds-selection-card__badge:not([style*="none"])) {
    border-color: #4ADE80;
    background: rgba(74,222,128,0.08);
    box-shadow: 0 0 16px -3px rgba(74,222,128,0.45);
    animation: mat-glow-lum 2.5s ease-in-out infinite;
}
@keyframes mat-glow-lum {
    0%, 100% { box-shadow: 0 0 16px -3px rgba(74,222,128,0.45); }
    50% { box-shadow: 0 0 24px -1px rgba(74,222,128,0.6); }
}

/* Thermal film — coral heat */
#trf:has(.ds-selection-card__badge:not([style*="none"])) {
    border-color: #D4724A;
    box-shadow: 0 0 16px -3px rgba(212,114,74,0.45);
    background: rgba(212,114,74,0.08);
}
[data-theme="dark"] #trf:has(.ds-selection-card__badge:not([style*="none"])) { background: rgba(212,114,74,0.14); }


/* Eggshell — terracotta earth */
#egg:has(.ds-selection-card__badge:not([style*="none"])) {
    border-color: #8B6F5C;
    box-shadow: 0 0 16px -3px rgba(139,111,92,0.45);
    background: rgba(139,111,92,0.08);
}
[data-theme="dark"] #egg:has(.ds-selection-card__badge:not([style*="none"])) { background: rgba(139,111,92,0.14); }


/* Transparent matte — frosted lavender */
#trg:has(.ds-selection-card__badge:not([style*="none"])) {
    border-color: #8B7FBB;
    box-shadow: 0 0 16px -3px rgba(139,127,187,0.4);
    background: rgba(139,127,187,0.08);
}
[data-theme="dark"] #trg:has(.ds-selection-card__badge:not([style*="none"])) { background: rgba(139,127,187,0.14); }


/* Transparent glossy — crystal teal */
#trm:has(.ds-selection-card__badge:not([style*="none"])) {
    border-color: #5BAFB7;
    box-shadow: 0 0 16px -3px rgba(91,175,183,0.4);
    background: rgba(91,175,183,0.08);
}
[data-theme="dark"] #trm:has(.ds-selection-card__badge:not([style*="none"])) { background: rgba(91,175,183,0.14); }


/* Matte vinyl — slate blue */
#vmt:has(.ds-selection-card__badge:not([style*="none"])) {
    border-color: #6B7D8E;
    box-shadow: 0 0 16px -3px rgba(107,125,142,0.4);
    background: rgba(107,125,142,0.08);
}
[data-theme="dark"] #vmt:has(.ds-selection-card__badge:not([style*="none"])) { background: rgba(107,125,142,0.14); }


/* Glossy vinyl — bright sky blue */
#vgl:has(.ds-selection-card__badge:not([style*="none"])) {
    border-color: #5A9FE0;
    box-shadow: 0 0 16px -3px rgba(90,159,224,0.4);
    background: rgba(90,159,224,0.08);
}
[data-theme="dark"] #vgl:has(.ds-selection-card__badge:not([style*="none"])) { background: rgba(90,159,224,0.14); }


/* Cardboard — warm kraft */
#car:has(.ds-selection-card__badge:not([style*="none"])) {
    border-color: #B5956B;
    box-shadow: 0 0 16px -3px rgba(181,149,107,0.4);
    background: rgba(181,149,107,0.08);
}
[data-theme="dark"] #car:has(.ds-selection-card__badge:not([style*="none"])) { background: rgba(181,149,107,0.14); }


/* Self-adhesive paper — warm taupe */
#pap:has(.ds-selection-card__badge:not([style*="none"])) {
    border-color: #A89585;
    box-shadow: 0 0 16px -3px rgba(168,149,133,0.4);
    background: rgba(168,149,133,0.08);
}
[data-theme="dark"] #pap:has(.ds-selection-card__badge:not([style*="none"])) { background: rgba(168,149,133,0.14); }


/* ── Shape selection (outline page) ── */
#outlineVariants .ds-selection-card:has(.ds-selection-card__badge:not([style*="none"])) {
    border-color: var(--dark);
    box-shadow: 0 0 0 1px var(--dark), 0 6px 20px -4px rgba(43,42,41,0.2);
    background: var(--subtle);
    transform: translateY(-3px);
}
[data-theme="dark"] #outlineVariants .ds-selection-card:has(.ds-selection-card__badge:not([style*="none"])) {
    border-color: #E8E6E3;
    box-shadow: 0 0 0 1px #E8E6E3, 0 6px 20px -4px rgba(0,0,0,0.35);
    background: var(--subtle);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .sp-page .ds-selection-card { animation: none !important; }
    #hol:has(.ds-selection-card__badge:not([style*="none"])) { animation: none; }
}


@media (min-width: 641px) and (max-width: 960px) {
    .sp-grid--4 { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 640px) {
    .sp-three-col { grid-template-columns: 1fr; }
    .sp-two-col { grid-template-columns: 1fr; }
    .sp-grid--3, .sp-grid--4 { grid-template-columns: repeat(2, 1fr); }
    .sp-page { padding: 16px 12px 40px; }
    .sp-detail-flex { flex-direction: column; }
    .sp-detail-flex__preview { flex: none; max-width: 100%; }
    .sp-actions-grid { grid-template-columns: repeat(2, 1fr); }
    .sp-actions-grid > :last-child:nth-child(odd) { grid-column: 1 / -1; }
    .sp-actions-grid--2col > :last-child:nth-child(odd) { grid-column: 1 / -1; }
}