/* ── EGYPOXY Brand Variables ─────────────────────────────────────────────── */
.paintcalc-wrap,
.paintcalc-wrap * {
    --egypoxy-orange:  #E8500A;
    --egypoxy-black:   #1A1A1A;
    --egypoxy-gray:    #555;
    --egypoxy-bg:      #F7F5F3;
    --egypoxy-border:  #E0D8D0;
    --egypoxy-radius:  8px;
    box-sizing: border-box;
}

/* ── Wrapper ─────────────────────────────────────────────────────────────── */
.paintcalc-wrap {
    max-width: 1100px;
    margin: 30px auto;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--egypoxy-black);
}

/* ── Step Cards ──────────────────────────────────────────────────────────── */
.paintcalc-step {
    background: #fff;
    border: 1px solid var(--egypoxy-border);
    border-radius: var(--egypoxy-radius);
    padding: 24px 28px;
    margin-bottom: 18px;
}

.paintcalc-step-title {
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 18px;
    color: var(--egypoxy-black);
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 2px solid var(--egypoxy-border);
    padding-bottom: 10px;
}

.step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--egypoxy-orange);
    color: #fff;
    border-radius: 50%;
    font-size: 13px;
    font-weight: 900;
    flex-shrink: 0;
}

/* ── Form Fields ─────────────────────────────────────────────────────────── */
.paintcalc-field {
    display: flex;
    flex-direction: column;
    gap: 5px;
    flex: 1;
    min-width: 180px;
}

.paintcalc-field label {
    font-size: 12px;
    font-weight: 600;
    color: var(--egypoxy-gray);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.paintcalc-field .req {
    color: var(--egypoxy-orange);
}

.paintcalc-field input[type="text"],
.paintcalc-field input[type="number"],
.paintcalc-field select,
.paintcalc-field textarea {
    border: 1.5px solid var(--egypoxy-border);
    border-radius: 5px;
    padding: 9px 12px;
    font-size: 14px;
    color: var(--egypoxy-black);
    background: #fff;
    transition: border-color 0.2s;
    width: 100%;
}

.paintcalc-field input:focus,
.paintcalc-field select:focus,
.paintcalc-field textarea:focus {
    outline: none;
    border-color: var(--egypoxy-orange);
    box-shadow: 0 0 0 3px rgba(232, 80, 10, 0.12);
}

.paintcalc-field-error {
    font-size: 11px;
    color: #c0392b;
    min-height: 16px;
}

.paintcalc-field-error:empty {
    display: none;
}

/* ── Row layout ──────────────────────────────────────────────────────────── */
.paintcalc-row {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* ── Tabs (Shape selector) ───────────────────────────────────────────────── */
.paintcalc-tab-group {
    display: flex;
    gap: 0;
    border-radius: 5px;
    overflow: hidden;
    border: 1.5px solid var(--egypoxy-border);
    width: fit-content;
}

.paintcalc-tab {
    padding: 8px 22px;
    background: var(--egypoxy-bg);
    border: none;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    color: var(--egypoxy-gray);
    transition: background 0.2s, color 0.2s;
}

.paintcalc-tab.active,
.paintcalc-tab:hover {
    background: var(--egypoxy-orange);
    color: #fff;
}

/* ── Advanced collapsible ────────────────────────────────────────────────── */
.paintcalc-advanced {
    padding: 0;
}

.paintcalc-toggle {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    background: none;
    border: none;
    font-size: 14px;
    font-weight: 600;
    color: var(--egypoxy-gray);
    cursor: pointer;
    border-radius: var(--egypoxy-radius);
}

.paintcalc-toggle:hover { background: var(--egypoxy-bg); }
.paintcalc-toggle .arrow { font-size: 10px; }

/* Advanced body - was #paintcalc-advanced-body */
[data-pc="advanced-body"] {
    padding: 0 24px 20px;
}

.paintcalc-override-row {
    border: 1px solid var(--egypoxy-border);
    border-radius: var(--egypoxy-radius);
    padding: 12px 16px;
    margin-bottom: 10px;
    background: var(--egypoxy-bg);
}

.paintcalc-override-row h4 {
    margin: 0 0 10px;
    font-size: 13px;
    color: var(--egypoxy-orange);
    font-weight: 700;
}

/* ── Buttons ─────────────────────────────────────────────────────────────── */
.paintcalc-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 22px;
    border-radius: 5px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.2s;
    text-decoration: none;
    white-space: nowrap;
    background: var(--egypoxy-bg);
    color: var(--egypoxy-black);
    border-color: var(--egypoxy-border);
}

.paintcalc-btn-primary {
    background: var(--egypoxy-orange);
    color: #fff;
    border-color: var(--egypoxy-orange);
}

.paintcalc-btn-primary:hover {
    background: #c94008;
    border-color: #c94008;
    color: #fff;
}

.paintcalc-btn-success {
    background: #27ae60;
    color: #fff;
    border-color: #27ae60;
}

.paintcalc-btn-success:hover { background: #1e8449; }
.paintcalc-btn:hover { border-color: var(--egypoxy-orange); }

.paintcalc-actions {
    display: flex;
    gap: 12px;
    margin: 16px 0;
    flex-wrap: wrap;
}

/* ── Alerts ──────────────────────────────────────────────────────────────── */
.paintcalc-alert {
    padding: 12px 16px;
    border-radius: 5px;
    font-size: 13px;
    margin: 12px 0;
}

.paintcalc-alert-error {
    background: #fde8e8;
    border: 1px solid #e74c3c;
    color: #c0392b;
}

.paintcalc-alert-success {
    background: #e8f5e9;
    border: 1px solid #27ae60;
    color: #1e6b3e;
}

.paintcalc-info {
    background: #fff8f5;
    border-left: 3px solid var(--egypoxy-orange);
    padding: 8px 12px;
    font-size: 13px;
    border-radius: 0 5px 5px 0;
    margin-bottom: 12px;
}

.paintcalc-muted { color: #999; font-size: 12px; }

/* ── Results - was #paintcalc-results ───────────────────────────────────── */
[data-pc="results"] {
    background: #fff;
    border: 1px solid var(--egypoxy-border);
    border-radius: var(--egypoxy-radius);
    padding: 24px 28px;
    margin-bottom: 18px;
}

.paintcalc-results-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.paintcalc-results-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    min-width: 900px;
}

.paintcalc-results-table th {
    background: var(--egypoxy-black);
    color: #fff;
    padding: 8px 10px;
    text-align: left;
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
    border-top: 3px solid var(--egypoxy-orange);
}

.paintcalc-results-table th.num,
.paintcalc-results-table td.num {
    text-align: right;
}

.paintcalc-results-table td {
    padding: 8px 10px;
    border-bottom: 1px solid var(--egypoxy-border);
    color: var(--egypoxy-black);
}

.paintcalc-results-table tbody tr:nth-child(even) td {
    background: #faf8f6;
}

.paintcalc-results-table .paintcalc-total-row td {
    background: var(--egypoxy-black) !important;
    color: #fff;
    font-weight: 700;
    border-top: 3px solid var(--egypoxy-orange);
    font-size: 13px;
}

.paintcalc-results-table .paintcalc-total-row td.orange-text {
    color: var(--egypoxy-orange);
    font-size: 14px;
}

.orange-text { color: var(--egypoxy-orange); font-weight: 700; }

/* ── Save result area ────────────────────────────────────────────────────── */
.paintcalc-save-success {
    background: #fff;
    border: 2px solid var(--egypoxy-orange);
    border-radius: var(--egypoxy-radius);
    padding: 20px 24px;
    margin-top: 16px;
}

.paintcalc-save-success h4 {
    color: var(--egypoxy-orange);
    margin: 0 0 12px;
}

.paintcalc-save-success a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--egypoxy-orange);
    color: #fff;
    border-radius: 5px;
    font-weight: 700;
    text-decoration: none;
}

/* ── Loading state ───────────────────────────────────────────────────────── */
.paintcalc-btn[disabled] {
    opacity: 0.6;
    cursor: not-allowed;
}

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 640px) {
    .paintcalc-step { padding: 16px; }
    .paintcalc-row { flex-direction: column; }
    .paintcalc-tab { padding: 8px 14px; }
}