/* ============================================================
   STONESOL Calculator — Frontend Styles
   ============================================================ */

:root {
    --ss-primary:   #1a6fc4;
    --ss-success:   #1d9e5c;
    --ss-warning:   #e06c1a;
    --ss-purple:    #7b4fba;
    --ss-bg:        #f8f9fb;
    --ss-card:      #ffffff;
    --ss-border:    #dde2ec;
    --ss-text:      #2c3042;
    --ss-muted:     #6b7384;
    --ss-highlight: #eef5ff;
    --ss-radius:    10px;
    --ss-shadow:    0 4px 20px rgba(0,0,0,.08);
}

.stonesol-calc-wrap {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    max-width: 860px;
    margin: 0 auto;
    color: var(--ss-text);
    position: relative;
}

/* ---- Card ---- */
.stonesol-form-card {
    background: var(--ss-card);
    border-radius: var(--ss-radius);
    box-shadow: var(--ss-shadow);
    overflow: hidden;
}

.stonesol-form-header {
    background: linear-gradient(135deg, #1a4a8a 0%, var(--ss-primary) 100%);
    color: #fff;
    padding: 28px 32px;
}
.stonesol-form-header h2 {
    margin: 0 0 6px;
    font-size: 1.4rem;
    color: #fff;
    border: none;
    padding: 0;
}
.stonesol-form-header p {
    margin: 0;
    opacity: .85;
    font-size: .95rem;
}

.stonesol-form-body {
    padding: 28px 32px 32px;
    display: flex;
    flex-direction: column;
    gap: 22px;
}

/* ---- Fields ---- */
.stonesol-field label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    font-size: .9rem;
}
.stonesol-field .required { color: #c0392b; margin-left: 2px; }
.stonesol-field small {
    display: block;
    color: var(--ss-muted);
    font-size: .8rem;
    margin-top: 5px;
}

.stonesol-fields-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
@media (max-width: 600px) {
    .stonesol-fields-row { grid-template-columns: 1fr; }
}

.stonesol-input-wrap {
    display: flex;
    align-items: center;
    border: 2px solid var(--ss-border);
    border-radius: 8px;
    overflow: hidden;
    transition: border-color .2s;
}
.stonesol-input-wrap:focus-within { border-color: var(--ss-primary); }

.stonesol-input {
    flex: 1;
    border: none;
    outline: none;
    padding: 10px 14px;
    font-size: 1rem;
    background: transparent;
}
.stonesol-input-unit {
    background: var(--ss-bg);
    padding: 10px 14px;
    font-weight: 600;
    color: var(--ss-muted);
    font-size: .9rem;
    border-left: 2px solid var(--ss-border);
}

/* ---- Thickness tiles ---- */
.stonesol-thickness-group {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}
.stonesol-radio-tile {
    cursor: pointer;
    user-select: none;
}
.stonesol-radio-tile input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}
.stonesol-radio-tile span {
    display: inline-block;
    padding: 10px 20px;
    border: 2px solid var(--ss-border);
    border-radius: 8px;
    font-weight: 600;
    font-size: .95rem;
    transition: all .15s;
    background: var(--ss-bg);
}
.stonesol-radio-tile input:checked + span {
    border-color: var(--ss-primary);
    background: var(--ss-primary);
    color: #fff;
}
.stonesol-radio-tile:hover span {
    border-color: var(--ss-primary);
}

/* ---- Vertical info ---- */
.stonesol-verti-info {
    background: #f0f8f0;
    border: 1px solid #b8dfc0;
    border-radius: 8px;
    padding: 10px 16px;
    font-size: .9rem;
    color: #1a5e30;
}

/* ---- Checkbox option ---- */
.stonesol-checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: .9rem;
}
.stonesol-checkbox-label input { width: 18px; height: 18px; cursor: pointer; }

/* ---- Buttons ---- */
.stonesol-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 28px;
    border-radius: 8px;
    font-weight: 700;
    font-size: .95rem;
    border: 2px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: all .2s;
    line-height: 1;
}
.stonesol-btn-primary {
    background: var(--ss-primary);
    color: #fff;
    border-color: var(--ss-primary);
}
.stonesol-btn-primary:hover { background: #155aa0; border-color: #155aa0; }
.stonesol-btn-success {
    background: var(--ss-success);
    color: #fff;
    border-color: var(--ss-success);
    font-size: 1rem;
    padding: 15px 32px;
}
.stonesol-btn-success:hover { background: #177a47; }
.stonesol-btn-outline {
    background: transparent;
    color: var(--ss-muted);
    border-color: var(--ss-border);
}
.stonesol-btn-outline:hover { border-color: var(--ss-muted); color: var(--ss-text); }
.stonesol-btn:disabled { opacity: .6; cursor: not-allowed; }

.stonesol-form-actions { display: flex; gap: 12px; }

/* ---- Results ---- */
.stonesol-results-wrap {
    margin-top: 30px;
    background: var(--ss-card);
    border-radius: var(--ss-radius);
    box-shadow: var(--ss-shadow);
    overflow: hidden;
}

.stonesol-results-header {
    background: linear-gradient(135deg, #0e3d1f 0%, var(--ss-success) 100%);
    color: #fff;
    padding: 22px 28px;
}
.stonesol-results-header h3 {
    margin: 0 0 12px;
    font-size: 1.2rem;
    color: #fff;
    border: none;
    padding: 0;
}

.stonesol-summary-pills {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.pill {
    padding: 5px 14px;
    border-radius: 20px;
    font-size: .82rem;
    font-weight: 600;
    background: rgba(255,255,255,.2);
    color: #fff;
}

/* ---- Table ---- */
.stonesol-table-wrap {
    overflow-x: auto;
    padding: 24px 28px 0;
}
.stonesol-table {
    width: 100%;
    border-collapse: collapse;
    font-size: .9rem;
}
.stonesol-table th {
    background: var(--ss-bg);
    color: var(--ss-muted);
    text-transform: uppercase;
    font-size: .75rem;
    letter-spacing: .04em;
    padding: 10px 14px;
    text-align: left;
    border-bottom: 2px solid var(--ss-border);
}
.stonesol-table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--ss-border);
    vertical-align: middle;
}
.stonesol-table tbody tr:last-child td { border-bottom: none; }
.stonesol-table tbody tr:hover { background: var(--ss-highlight); }

.text-center { text-align: center !important; }
.highlight-col { background: #fff8e6 !important; }
.stonesol-table td.highlight-col {
    background: #fff8e6;
    font-weight: 700;
    color: #8a5000;
    font-size: 1rem;
}
.stonesol-table .product-name { font-weight: 600; }
.stonesol-table .product-alt { color: var(--ss-muted); font-size: .82rem; font-style: italic; }
.stonesol-table .not-configured { color: #bbb; font-style: italic; font-size: .82rem; }

.stonesol-results-note {
    margin: 18px 28px;
    background: #fff8e6;
    border: 1px solid #ffd077;
    border-radius: 8px;
    padding: 12px 16px;
    font-size: .88rem;
    color: #7a4d00;
}

.stonesol-results-actions {
    padding: 0 28px 28px;
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    align-items: center;
}

/* ---- Cart feedback ---- */
.stonesol-cart-feedback {
    margin: 0 28px 20px;
    padding: 14px 18px;
    border-radius: 8px;
    font-size: .9rem;
}
.stonesol-cart-feedback.success {
    background: #e8f7ee;
    border: 1px solid #a3d8b5;
    color: #1a5e30;
}
.stonesol-cart-feedback.error {
    background: #fde8e8;
    border: 1px solid #f5a5a5;
    color: #7a1a1a;
}
.stonesol-cart-feedback a {
    font-weight: 700;
    color: var(--ss-success);
    text-decoration: underline;
}

/* ---- Loader ---- */
.stonesol-loader {
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,.85);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 99;
    border-radius: var(--ss-radius);
}
.stonesol-spinner {
    width: 44px;
    height: 44px;
    border: 4px solid var(--ss-border);
    border-top-color: var(--ss-primary);
    border-radius: 50%;
    animation: stonesol-spin .8s linear infinite;
    margin-bottom: 14px;
}
@keyframes stonesol-spin { to { transform: rotate(360deg); } }

/* ---- Thickness tile hint (Carrossable) ---- */
.stonesol-radio-tile span { flex-direction: column; display: inline-flex; align-items: center; gap: 3px; }
.tile-hint {
    font-size: .72rem;
    font-weight: 500;
    font-style: normal;
    opacity: .75;
    background: rgba(255,255,255,.35);
    border-radius: 4px;
    padding: 1px 6px;
}
.stonesol-radio-tile input:checked + span .tile-hint {
    background: rgba(255,255,255,.25);
    opacity: 1;
}

/* ---- Carrossable notice ---- */
.stonesol-carrossable-notice {
    margin-top: 10px;
    background: #fff4e0;
    border: 1px solid #f5c842;
    border-radius: 8px;
    padding: 10px 14px;
    font-size: .88rem;
    color: #7a5000;
}

/* ---- Color picker ---- */
.stonesol-color-loading {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--ss-muted);
    font-size: .9rem;
    padding: 8px 0;
}
.stonesol-mini-spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid var(--ss-border);
    border-top-color: var(--ss-primary);
    border-radius: 50%;
    animation: stonesol-spin .7s linear infinite;
    flex-shrink: 0;
}
.stonesol-color-tiles {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 6px;
}
.stonesol-color-tile {
    cursor: pointer;
    border: 2px solid var(--ss-border);
    border-radius: 10px;
    padding: 8px 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: .88rem;
    background: var(--ss-bg);
    transition: all .15s;
    min-width: 160px;
}
.stonesol-color-tile:hover { border-color: var(--ss-primary); background: var(--ss-highlight); }
.stonesol-color-tile.selected {
    border-color: var(--ss-primary);
    background: var(--ss-highlight);
    font-weight: 600;
}
.stonesol-color-tile img {
    width: 36px;
    height: 36px;
    border-radius: 6px;
    object-fit: cover;
    flex-shrink: 0;
}
.stonesol-color-tile .color-no-img {
    width: 36px;
    height: 36px;
    border-radius: 6px;
    background: linear-gradient(135deg, #e0d6c8, #c8bfaf);
    flex-shrink: 0;
}
.stonesol-color-info { display: flex; flex-direction: column; gap: 2px; }
.stonesol-color-name { font-weight: 600; }
.stonesol-color-price { font-size: .78rem; color: var(--ss-muted); }

/* ---- Result pill stone color ---- */
.pill-stone { background: rgba(255,255,255,.2); }