/* T-Shirt Live Preview — Styles */
:root {
    --tp-primary:   #1a1a2e;
    --tp-accent:    #e63946;
    --tp-accent2:   #457b9d;
    --tp-bg:        #f8f9fa;
    --tp-surface:   #ffffff;
    --tp-border:    #dee2e6;
    --tp-text:      #212529;
    --tp-muted:     #6c757d;
    --tp-radius:    12px;
    --tp-shadow:    0 20px 60px rgba(0,0,0,.22);
    --tp-transition: .2s ease;
}

/* Trigger Button */
.tshirt-preview-btn {
    display: inline-flex !important;
    align-items: center;
    gap: 8px;
    background: var(--tp-primary) !important;
    color: #fff !important;
    border: none !important;
    border-radius: 8px !important;
    padding: 12px 22px !important;
    font-size: 15px !important;
    font-weight: 600 !important;
    cursor: pointer;
    margin-bottom: 12px !important;
    transition: background var(--tp-transition), transform var(--tp-transition);
    letter-spacing: .3px;
}
.tshirt-preview-btn:hover {
    background: var(--tp-accent) !important;
    transform: translateY(-1px);
}

/* Modal */
.tshirt-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 999999;
    align-items: center;
    justify-content: center;
}
.tshirt-modal.is-open { display: flex; }

.tshirt-modal__overlay {
    position: absolute;
    inset: 0;
    background: rgba(10,10,20,.65);
    backdrop-filter: blur(4px);
    animation: tpFadeIn .25s ease;
}

@keyframes tpFadeIn  { from { opacity: 0; } to { opacity: 1; } }
@keyframes tpSlideUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: none; } }

.tshirt-modal__container {
    position: relative;
    z-index: 1;
    background: var(--tp-surface);
    border-radius: 18px;
    box-shadow: var(--tp-shadow);
    width: min(960px, 96vw);
    max-height: 92vh;
    overflow-y: auto;
    animation: tpSlideUp .3s ease;
}

.tshirt-modal__close {
    position: absolute;
    top: 14px; right: 16px;
    background: none;
    border: none;
    font-size: 26px;
    line-height: 1;
    color: var(--tp-muted);
    cursor: pointer;
    z-index: 2;
    transition: color var(--tp-transition);
    padding: 0;
}
.tshirt-modal__close:hover { color: var(--tp-accent); }

.tshirt-modal__body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
}

@media (max-width: 680px) {
    .tshirt-modal__body { grid-template-columns: 1fr; }
}

/* Canvas Side */
.tshirt-modal__canvas-wrap {
    background: linear-gradient(135deg, #f0f4ff 0%, #e8ecf8 100%);
    border-radius: 18px 0 0 18px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 32px 24px;
    gap: 12px;
}
@media (max-width: 680px) {
    .tshirt-modal__canvas-wrap { border-radius: 18px 18px 0 0; padding: 24px 16px; }
}

.tshirt-modal__canvas-wrap #tshirt-canvas {
    border-radius: 10px;
    box-shadow: 0 8px 30px rgba(0,0,0,.12);
    max-width: 100%;
    height: auto;
}

.tshirt-modal__hint {
    font-size: 12px;
    color: var(--tp-muted);
    margin: 0;
    text-align: center;
}

/* Controls Side */
.tshirt-modal__controls {
    padding: 32px 28px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.tshirt-modal__title {
    font-size: 20px;
    font-weight: 700;
    color: var(--tp-primary);
    margin: 0 0 4px;
    letter-spacing: -.3px;
}

/* Tabs */
.tshirt-tabs {
    display: flex;
    gap: 6px;
    border-bottom: 2px solid var(--tp-border);
    padding-bottom: 0;
}
.tshirt-tab {
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 600;
    color: var(--tp-muted);
    cursor: pointer;
    transition: color var(--tp-transition), border-color var(--tp-transition);
    border-radius: 6px 6px 0 0;
}
.tshirt-tab.active,
.tshirt-tab:hover {
    color: var(--tp-primary);
    border-bottom-color: var(--tp-accent);
}

/* Panels */
.tshirt-panel { display: none; flex-direction: column; gap: 16px; }
.tshirt-panel.active { display: flex; }

/* Fields */
.tshirt-field { display: flex; flex-direction: column; gap: 6px; }
.tshirt-field label {
    font-size: 13px;
    font-weight: 600;
    color: var(--tp-text);
    letter-spacing: .2px;
}
.tshirt-field textarea,
.tshirt-field select,
.tshirt-field input[type="range"] {
    width: 100%;
    border: 1.5px solid var(--tp-border);
    border-radius: 8px;
    padding: 9px 12px;
    font-size: 14px;
    color: var(--tp-text);
    background: var(--tp-bg);
    transition: border-color var(--tp-transition);
    resize: vertical;
    box-sizing: border-box;
}
.tshirt-field textarea:focus,
.tshirt-field select:focus {
    outline: none;
    border-color: var(--tp-accent2);
}
.tshirt-field input[type="range"] {
    padding: 4px 0;
    background: none;
    border: none;
    accent-color: var(--tp-accent);
}
.tshirt-char-count { font-size: 12px; color: var(--tp-muted); text-align: right; }

.tshirt-field--row {
    flex-direction: row;
    gap: 14px;
}
.tshirt-field--row > div {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

/* Color */
.tshirt-color-row {
    display: flex;
    align-items: center;
    gap: 12px;
}
.tshirt-color-row input[type="color"] {
    width: 42px; height: 42px;
    padding: 2px; border: 2px solid var(--tp-border);
    border-radius: 8px; cursor: pointer;
    background: none;
    flex-shrink: 0;
}
.tshirt-color-presets {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.tshirt-color-dot {
    display: block;
    width: 28px; height: 28px;
    border-radius: 50%;
    cursor: pointer;
    transition: transform var(--tp-transition), box-shadow var(--tp-transition);
    box-shadow: 0 1px 3px rgba(0,0,0,.15);
}
.tshirt-color-dot:hover,
.tshirt-color-dot.active {
    transform: scale(1.2);
    box-shadow: 0 2px 8px rgba(0,0,0,.25);
}

/* Upload */
.tshirt-upload-area {
    border: 2px dashed var(--tp-border);
    border-radius: 10px;
    background: var(--tp-bg);
    transition: border-color var(--tp-transition), background var(--tp-transition);
    cursor: pointer;
    overflow: hidden;
}
.tshirt-upload-area:hover,
.tshirt-upload-area.drag-over {
    border-color: var(--tp-accent2);
    background: #f0f6ff;
}
.tshirt-upload-placeholder {
    padding: 28px 20px;
    text-align: center;
    pointer-events: none;
}
.tshirt-upload-icon { font-size: 32px; display: block; margin-bottom: 8px; }
.tshirt-upload-placeholder p { margin: 0 0 4px; font-size: 14px; color: var(--tp-text); }
.tshirt-upload-placeholder small { color: var(--tp-muted); font-size: 12px; }
.tshirt-upload-link { color: var(--tp-accent2); text-decoration: underline; font-weight: 600; }

.tshirt-upload-preview {
    padding: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}
.tshirt-upload-preview img {
    max-width: 120px;
    max-height: 120px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,.1);
    object-fit: contain;
}
#tshirt-remove-image {
    background: none;
    border: 1px solid var(--tp-border);
    border-radius: 6px;
    padding: 4px 12px;
    font-size: 13px;
    color: var(--tp-muted);
    cursor: pointer;
    transition: color var(--tp-transition), border-color var(--tp-transition);
}
#tshirt-remove-image:hover { color: var(--tp-accent); border-color: var(--tp-accent); }

/* Actions */
.tshirt-modal__actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: auto;
    padding-top: 8px;
}
.tshirt-btn {
    display: block;
    width: 100%;
    padding: 13px 20px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    border: none;
    transition: background var(--tp-transition), transform var(--tp-transition);
    letter-spacing: .3px;
}
.tshirt-btn--primary {
    background: var(--tp-accent);
    color: #fff;
}
.tshirt-btn--primary:hover { background: #c0392b; transform: translateY(-1px); }
.tshirt-btn--secondary {
    background: var(--tp-bg);
    color: var(--tp-muted);
    border: 1.5px solid var(--tp-border);
}
.tshirt-btn--secondary:hover { background: var(--tp-border); color: var(--tp-text); }

/* Scrollbar */
.tshirt-modal__container::-webkit-scrollbar { width: 6px; }
.tshirt-modal__container::-webkit-scrollbar-track { background: transparent; }
.tshirt-modal__container::-webkit-scrollbar-thumb { background: var(--tp-border); border-radius: 3px; }