/* ── donation page overrides ── */
        :root {
            --receipt-bg: #faf8f5;
        }


        .donation-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.9fr;
            gap: var(--space-4);
            align-items: start;
        }
        @media (max-width: 900px) {
            .donation-grid {
                grid-template-columns: 1fr;
            }
        }

        .donation-form-wrap {
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            padding: var(--space-4);
            box-shadow: 0 8px 24px rgba(15, 23, 42, 0.05);
        }

        .donation-form-wrap .form-group {
            margin-bottom: var(--space-2);
        }
        .donation-form-wrap label {
            display: block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--charcoal);
            margin-bottom: 4px;
        }
        .donation-form-wrap label .required {
            color: #c73a3a;
        }
        .donation-form-wrap input,
        .donation-form-wrap select {
            width: 100%;
            padding: 0.7rem 0.9rem;
            border: 1.5px solid var(--line);
            border-radius: var(--radius);
            font-family: var(--font-body);
            font-size: 0.95rem;
            color: var(--charcoal);
            background: var(--white);
            transition: border-color 0.2s, box-shadow 0.2s;
        }
        .donation-form-wrap input:focus,
        .donation-form-wrap select:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(212, 160, 23, 0.12);
        }

        .donation-form-wrap .amount-options {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 8px;
            margin-bottom: 8px;
        }
        .donation-form-wrap .amount-options .amount-btn {
            background: var(--oatmeal);
            border: 1.5px solid var(--line);
            border-radius: var(--radius);
            padding: 10px 0;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--charcoal);
            cursor: pointer;
            transition: border-color 0.2s, background 0.2s;
        }
        .donation-form-wrap .amount-options .amount-btn:hover,
        .donation-form-wrap .amount-options .amount-btn.active {
            border-color: var(--accent);
            background: rgba(212, 160, 23, 0.10);
        }

        .donation-form-wrap .btn-donate {
            background: var(--gold);
            color: var(--premium);
            font-size: 1.05rem;
            font-weight: 600;
            padding: 0.85rem 2.5rem;
            border: none;
            border-radius: var(--radius);
            cursor: pointer;
            transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
            box-shadow: 0 6px 18px rgba(212, 160, 23, 0.30);
            width: 100%;
            margin-top: var(--space-2);
        }
        .donation-form-wrap .btn-donate:hover {
            background: #f0ad52;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(212, 160, 23, 0.40);
        }
        .donation-form-wrap .btn-donate:active {
            transform: scale(0.97);
        }
        .donation-form-wrap .btn-donate:disabled {
            opacity: 0.7;
            cursor: not-allowed;
            transform: none !important;
        }

        /* ── side info ── */
        .donation-side {
            display: flex;
            flex-direction: column;
            gap: var(--space-3);
        }
        .donation-side .info-card {
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            padding: var(--space-3);
        }
        .donation-side .info-card h3 {
            font-size: 1.05rem;
            margin-bottom: 8px;
        }
        .donation-side .info-card p {
            font-size: 0.92rem;
            margin-bottom: 6px;
            color: var(--charcoal-soft);
        }
        .donation-side .info-card .highlight {
            color: var(--forest);
            font-weight: 600;
        }

        /* ── receipt ── */
        .receipt-wrap {
            display: none;
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            padding: var(--space-4);
            margin-top: var(--space-3);
            box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
        }
        .receipt-wrap.visible {
            display: block;
        }

        .receipt-header {
            text-align: center;
            border-bottom: 2px solid var(--accent);
            padding-bottom: var(--space-2);
            margin-bottom: var(--space-3);
        }
        .receipt-header h2 {
            font-size: 1.6rem;
            margin-bottom: 4px;
        }
        .receipt-header .receipt-sub {
            color: var(--charcoal-soft);
            font-size: 0.92rem;
        }

        .receipt-body {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-2);
            margin-bottom: var(--space-3);
        }
        @media (max-width: 600px) {
            .receipt-body {
                grid-template-columns: 1fr;
            }
        }
        .receipt-body .receipt-item {
            padding: 8px 0;
            border-bottom: 1px solid var(--line);
        }
        .receipt-body .receipt-item .label {
            font-size: 0.75rem;
            text-transform: uppercase;
            letter-spacing: 0.04em;
            color: var(--charcoal-soft);
            font-weight: 600;
        }
        .receipt-body .receipt-item .value {
            font-size: 1rem;
            font-weight: 500;
            color: var(--forest);
        }

        .receipt-legal {
            background: var(--oatmeal-deep);
            padding: var(--space-3);
            border-radius: var(--radius);
            font-size: 0.85rem;
            color: var(--charcoal-soft);
            line-height: 1.7;
            margin-top: var(--space-2);
        }
        .receipt-legal strong {
            color: var(--forest);
        }

        .receipt-actions {
            display: flex;
            gap: var(--space-2);
            margin-top: var(--space-3);
            flex-wrap: wrap;
            align-items: center;
        }
        .receipt-actions .btn-secondary {
            background: var(--oatmeal);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            padding: 10px 24px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--charcoal);
            cursor: pointer;
            transition: background 0.2s;
            text-decoration: none;
        }
        .receipt-actions .btn-secondary:hover {
            background: var(--line);
        }
        .receipt-actions .btn-primary {
            background: var(--forest);
            color: var(--white);
            border: none;
            border-radius: var(--radius);
            padding: 10px 24px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s;
        }
        .receipt-actions .btn-primary:hover {
            background: #1a405a;
        }
        .receipt-actions .back-link {
            margin-left: auto;
            font-weight: 500;
        }

        /* ── status messages ── */
        .status-msg {
            margin-top: var(--space-2);
            padding: 10px 16px;
            border-radius: var(--radius);
            font-size: 0.92rem;
            display: none;
        }
        .status-msg.error {
            display: block;
            background: #fdf5f5;
            border: 1px solid #e6b3b3;
            color: #b13a3a;
        }
        .status-msg.success {
            display: block;
            background: #f0f8f2;
            border: 1px solid #b3d9b3;
            color: #1d7a4e;
        }
        .status-msg.info {
            display: block;
            background: #f0f4f8;
            border: 1px solid #b3c9d9;
            color: #1a405a;
        }

        /* spinner */
        .spinner-sm {
            display: inline-block;
            width: 16px;
            height: 16px;
            border: 2px solid var(--line);
            border-top-color: var(--accent);
            border-radius: 50%;
            animation: spin 0.7s linear infinite;
            vertical-align: middle;
            margin-right: 8px;
        }
        @keyframes spin {
            to {
                transform: rotate(360deg);
            }
        }

        /* receipt download */
        @media print {
            body * {
                visibility: hidden;
            }
            #receiptPrintArea,
            #receiptPrintArea * {
                visibility: visible;
            }
            #receiptPrintArea {
                position: absolute;
                left: 0;
                top: 0;
                width: 100%;
                padding: 40px;
                background: white;
            }
            .receipt-actions {
                display: none !important;
            }
            .no-print {
                display: none !important;
            }
        }