/* ═══════════════════════════════════════════════════════════
   Ondavbo AI Room Visualizer — Frontend Styles
   ═══════════════════════════════════════════════════════════ */

:root {
    --ondavbo-bg:         #f5f4f1;
    --ondavbo-surface:    #ffffff;
    --ondavbo-border:     #e2dfd9;
    --ondavbo-accent:     #2c5f2e;
    --ondavbo-accent-lt:  #e8f0e8;
    --ondavbo-text:       #1a1a18;
    --ondavbo-muted:      #6b6b68;
    --ondavbo-radius:     12px;
    --ondavbo-shadow:     0 2px 12px rgba(0,0,0,.08);
    --ondavbo-shadow-lg:  0 8px 32px rgba(0,0,0,.14);
    --ondavbo-transition: .22s cubic-bezier(.4,0,.2,1);
}

.ondavbo-wrap { font-family: 'Georgia', serif; color: var(--ondavbo-text); max-width: 1200px; margin: 0 auto; padding: 24px 0; }
.ondavbo-wrap *, .ondavbo-wrap *::before, .ondavbo-wrap *::after { box-sizing: border-box; }

/* Steps */
.ondavbo-steps { display: flex; align-items: center; gap: 8px; margin-bottom: 32px; padding: 16px 20px; background: var(--ondavbo-surface); border-radius: var(--ondavbo-radius); border: 1px solid var(--ondavbo-border); }
.step { display: flex; align-items: center; gap: 8px; opacity: .4; transition: opacity var(--ondavbo-transition); }
.step.active { opacity: 1; }
.step.done   { opacity: .7; }
.step-num { width: 28px; height: 28px; border-radius: 50%; background: var(--ondavbo-border); display: flex; align-items: center; justify-content: center; font-size: .85rem; font-weight: 700; font-family: sans-serif; transition: background var(--ondavbo-transition); }
.step.active .step-num { background: var(--ondavbo-accent); color: #fff; }
.step.done .step-num   { background: #a5c8a7; color: #fff; }
.step-label { font-size: .9rem; font-family: sans-serif; font-weight: 500; }
.step-arrow { color: var(--ondavbo-border); font-size: 1.1rem; }

/* Grid */
.ondavbo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
@media (max-width: 860px) { .ondavbo-grid { grid-template-columns: 1fr; } }

/* Upload zone */
.ondavbo-upload-zone {
    border: 2px dashed var(--ondavbo-border);
    border-radius: var(--ondavbo-radius);
    padding: 48px 24px;
    text-align: center;
    cursor: pointer;
    background: var(--ondavbo-surface);
    transition: border-color var(--ondavbo-transition), background var(--ondavbo-transition);
    user-select: none;
}
.ondavbo-upload-zone:hover,
.ondavbo-upload-zone:focus,
.ondavbo-upload-zone.dragover {
    border-color: var(--ondavbo-accent);
    background: var(--ondavbo-accent-lt);
    outline: none;
}
.upload-icon { font-size: 2.8rem; margin-bottom: 12px; }
.upload-text  { font-size: 1rem; line-height: 1.5; margin-bottom: 8px; }
.upload-text strong { font-weight: 600; }
.upload-hint  { font-size: .8rem; color: var(--ondavbo-muted); font-family: sans-serif; }

/* Source preview */
.ondavbo-preview-container,
.ondavbo-result-container {
    background: var(--ondavbo-surface);
    border-radius: var(--ondavbo-radius);
    border: 1px solid var(--ondavbo-border);
    overflow: hidden;
}
.preview-label {
    padding: 10px 14px;
    font-size: .85rem;
    font-family: sans-serif;
    font-weight: 600;
    background: var(--ondavbo-bg);
    border-bottom: 1px solid var(--ondavbo-border);
    color: var(--ondavbo-muted);
}
.result-label { background: var(--ondavbo-accent); color: #fff; }
.ondavbo-preview-container img,
.ondavbo-result-container img {
    width: 100%;
    display: block;
    aspect-ratio: 16/9;
    object-fit: cover;
}
.btn-change {
    display: block; width: 100%; padding: 10px; background: none; border: none;
    border-top: 1px solid var(--ondavbo-border); color: var(--ondavbo-muted);
    cursor: pointer; font-size: .85rem; font-family: sans-serif;
    transition: background var(--ondavbo-transition);
}
.btn-change:hover { background: var(--ondavbo-bg); color: var(--ondavbo-text); }

/* Result */
.result-image-wrap { position: relative; overflow: hidden; }
.result-overlay {
    position: absolute; top: 0; left: 0; width: 0%; height: 100%;
    overflow: hidden; transition: width .5s ease;
    border-right: 2px solid #fff;
}
.result-overlay img { width: 100vw; max-width: none; }
.result-actions { display: flex; flex-wrap: wrap; gap: 8px; padding: 14px; }
.result-disclaimer { padding: 0 14px 12px; font-size: .75rem; color: var(--ondavbo-muted); font-family: sans-serif; font-style: italic; }

/* Buttons */
.btn {
    display: inline-flex; align-items: center; gap: 6px; padding: 9px 16px;
    border-radius: 8px; border: 1px solid transparent; font-size: .875rem;
    font-family: sans-serif; font-weight: 600; cursor: pointer; text-decoration: none;
    transition: all var(--ondavbo-transition);
}
.btn-primary   { background: var(--ondavbo-accent); color: #fff; border-color: var(--ondavbo-accent); }
.btn-primary:hover { background: #1e4520; color: #fff; }
.btn-secondary { background: var(--ondavbo-surface); color: var(--ondavbo-text); border-color: var(--ondavbo-border); }
.btn-secondary:hover { border-color: var(--ondavbo-accent); color: var(--ondavbo-accent); }
.btn-ghost     { background: transparent; color: var(--ondavbo-muted); border-color: transparent; }
.btn-ghost:hover { color: var(--ondavbo-text); background: var(--ondavbo-bg); }

/* Catalog */
.ondavbo-right { display: flex; flex-direction: column; gap: 0; }
.catalog-header { padding: 0 0 14px 0; }
.catalog-header h3 { margin: 0 0 10px 0; font-size: 1.1rem; }
.catalog-search input {
    width: 100%; padding: 9px 14px; border: 1px solid var(--ondavbo-border);
    border-radius: 8px; font-size: .9rem; font-family: sans-serif;
    background: var(--ondavbo-surface); transition: border-color var(--ondavbo-transition);
}
.catalog-search input:focus { outline: none; border-color: var(--ondavbo-accent); }

.ondavbo-product-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 10px; max-height: 420px; overflow-y: auto; padding-right: 4px;
}
.ondavbo-product-grid::-webkit-scrollbar { width: 4px; }
.ondavbo-product-grid::-webkit-scrollbar-track { background: var(--ondavbo-bg); border-radius: 4px; }
.ondavbo-product-grid::-webkit-scrollbar-thumb { background: var(--ondavbo-border); border-radius: 4px; }

.products-loading { grid-column: 1/-1; display: flex; flex-direction: column; align-items: center; gap: 10px; padding: 32px; color: var(--ondavbo-muted); font-family: sans-serif; }

/* Product card */
.product-card {
    background: var(--ondavbo-surface); border: 2px solid var(--ondavbo-border);
    border-radius: var(--ondavbo-radius); overflow: hidden; cursor: pointer;
    transition: border-color var(--ondavbo-transition), box-shadow var(--ondavbo-transition), transform var(--ondavbo-transition);
}
.product-card:hover  { border-color: var(--ondavbo-accent); box-shadow: var(--ondavbo-shadow); transform: translateY(-2px); }
.product-card.selected { border-color: var(--ondavbo-accent); box-shadow: 0 0 0 3px rgba(44,95,46,.2); }
.product-card img { width: 100%; aspect-ratio: 1; object-fit: cover; display: block; }
.product-card-body { padding: 8px 10px; }
.product-card-name  { font-size: .8rem; font-weight: 600; line-height: 1.3; margin-bottom: 4px; font-family: sans-serif; }
.product-card-price { font-size: .75rem; color: var(--ondavbo-accent); font-family: sans-serif; }
.product-card-check { display: none; position: absolute; top: 6px; right: 6px; width: 22px; height: 22px; background: var(--ondavbo-accent); border-radius: 50%; color: #fff; font-size: .75rem; align-items: center; justify-content: center; }
.product-card { position: relative; }
.product-card.selected .product-card-check { display: flex; }

/* Generate bar */
.ondavbo-generate-bar {
    margin-top: 14px; padding: 14px; background: var(--ondavbo-surface);
    border: 1px solid var(--ondavbo-border); border-radius: var(--ondavbo-radius);
    display: flex; align-items: center; gap: 14px;
}
.selected-product-info { flex: 1; font-size: .85rem; font-family: sans-serif; color: var(--ondavbo-muted); }
.selected-product-info strong { color: var(--ondavbo-text); }
.btn-generate {
    background: var(--ondavbo-accent); color: #fff; border: none; border-radius: 8px;
    padding: 12px 22px; font-size: 1rem; font-family: sans-serif; font-weight: 700;
    cursor: pointer; display: flex; align-items: center; gap: 8px; white-space: nowrap;
    transition: background var(--ondavbo-transition), transform var(--ondavbo-transition);
    box-shadow: 0 4px 14px rgba(44,95,46,.35);
}
.btn-generate:hover { background: #1e4520; transform: translateY(-1px); }
.btn-generate:active { transform: translateY(0); }

/* Loading overlay */
.ondavbo-loading-overlay {
    position: fixed; inset: 0; background: rgba(245,244,241,.85); z-index: 9999;
    display: flex; align-items: center; justify-content: center;
    backdrop-filter: blur(4px);
}
.loading-card {
    background: #fff; border-radius: 20px; padding: 40px 48px;
    text-align: center; box-shadow: var(--ondavbo-shadow-lg); max-width: 320px; width: 90%;
}
.loading-animation { position: relative; width: 80px; height: 80px; margin: 0 auto 20px; }
.loading-icon { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-size: 2rem; }
.pulse-ring {
    position: absolute; inset: 0; border-radius: 50%;
    border: 2px solid var(--ondavbo-accent);
    animation: pulse 2s cubic-bezier(.4,0,.6,1) infinite;
}
.pulse-ring.delay-1 { animation-delay: .6s; }
.pulse-ring.delay-2 { animation-delay: 1.2s; }
@keyframes pulse {
    0%   { transform: scale(.8); opacity: .8; }
    100% { transform: scale(1.6); opacity: 0; }
}
.loading-text {
    font-size: 1rem; font-weight: 600; margin-bottom: 16px; font-family: sans-serif;
    color: var(--ondavbo-text); min-height: 24px; transition: opacity .3s;
}
.loading-bar { height: 4px; background: var(--ondavbo-border); border-radius: 4px; overflow: hidden; margin-bottom: 10px; }
.loading-progress {
    height: 100%; width: 0%; background: var(--ondavbo-accent); border-radius: 4px;
    transition: width 1s ease;
}
.loading-sub { font-size: .78rem; color: var(--ondavbo-muted); font-family: sans-serif; }

/* Spinner */
.spinner {
    width: 28px; height: 28px; border: 3px solid var(--ondavbo-border);
    border-top-color: var(--ondavbo-accent); border-radius: 50%;
    animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }