.donate-page { max-width: 440px; margin: 0 auto; padding: 16px; min-height: 100vh; }
        .org-header { text-align: center; padding: 24px 0 16px; }
        .org-logo { width: 64px; height: 64px; border-radius: 12px; object-fit: cover; margin-bottom: 8px; }
        .org-name { font-size: 13px; color: var(--text-muted); margin-bottom: 4px; }
        .fundraiser-name { font-size: 28px; font-weight: 700; color: var(--text-primary); margin: 4px 0; }
        .campaign-name { font-size: 14px; color: var(--text-secondary); }
        .raised-badge { display: inline-block; background: var(--accent-light); color: var(--accent);
            padding: 6px 14px; border-radius: 20px; font-size: 13px; font-weight: 600; margin-top: 12px; }

        .amount-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin: 24px 0; }
        .amount-btn { padding: 16px; border: 2px solid var(--border); border-radius: 12px; background: white;
            font-size: 20px; font-weight: 700; cursor: pointer; transition: all 0.15s; text-align: center; }
        .amount-btn:hover { border-color: var(--accent); }
        .amount-btn.selected { border-color: var(--accent); background: var(--accent-light); color: var(--accent); }
        .amount-btn.custom { font-size: 14px; font-weight: 500; color: var(--text-secondary); }

        .custom-amount { display: none; margin: -8px 0 16px; }
        .custom-amount.visible { display: block; }
        .custom-amount input { width: 100%; padding: 14px; border: 2px solid var(--border); border-radius: 12px;
            font-size: 24px; font-weight: 700; text-align: center; outline: none; }
        .custom-amount input:focus { border-color: var(--accent); }

        .donor-fields { margin: 0 0 16px; }
        .donor-fields label { display: block; font-size: 13px; color: var(--text-muted); margin-bottom: 4px; }
        .donor-fields input, .donor-fields textarea { width: 100%; padding: 12px; border: 1.5px solid var(--border);
            border-radius: 10px; font-size: 15px; margin-bottom: 10px; outline: none; box-sizing: border-box; }
        .donor-fields input:focus, .donor-fields textarea:focus { border-color: var(--accent); }
        .donor-fields textarea { resize: none; height: 60px; }

        .checkbox-row { display: flex; align-items: center; gap: 8px; margin: 12px 0; font-size: 14px; color: var(--text-secondary); }
        .checkbox-row input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--accent); }

        .donate-btn { width: 100%; padding: 16px; background: var(--accent); color: white; border: none;
            border-radius: 12px; font-size: 18px; font-weight: 700; cursor: pointer; transition: opacity 0.15s; }
        .donate-btn:hover { opacity: 0.9; }
        .donate-btn:disabled { opacity: 0.5; cursor: not-allowed; }

        .secure-note { text-align: center; font-size: 11px; color: var(--text-muted); margin-top: 12px; }
        .branding { text-align: center; font-size: 11px; color: var(--text-muted); margin-top: 24px; padding-bottom: 24px; }

        .loading { display: flex; align-items: center; justify-content: center; min-height: 60vh; }
        .loading-spinner { width: 32px; height: 32px; border: 3px solid var(--border);
            border-top-color: var(--accent); border-radius: 50%; animation: spin 0.8s linear infinite; }
        @keyframes spin { to { transform: rotate(360deg); } }

        .error-state { text-align: center; padding: 48px 16px; }
        .error-state h2 { font-size: 20px; margin-bottom: 8px; }
        .error-state p { color: var(--text-muted); }
        .error-actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 24px; }
        .error-cta-primary { display: inline-block; padding: 12px 24px; background: #2563eb;
            color: white !important; text-decoration: none; border-radius: 8px; font-weight: 600; }
        .error-cta-primary:hover { background: #1e4fd6; }
        .error-cta-secondary { display: inline-block; padding: 12px 24px; background: transparent;
            color: #4b5563 !important; text-decoration: underline; border-radius: 8px; font-weight: 500; }

        /* Athon pledge tab styles */
        .athon-tabs { display: flex; margin: 0 0 20px; border-radius: 10px; overflow: hidden; border: 2px solid var(--border); }
        .athon-tab { flex: 1; padding: 12px 8px; text-align: center; font-size: 14px; font-weight: 600;
            cursor: pointer; background: white; border: none; color: var(--text-secondary); transition: all 0.15s; }
        .athon-tab.active { background: var(--accent); color: white; }
        .athon-tab:first-child { border-right: 1px solid var(--border); }

        .pledge-section { display: none; }
        .pledge-section.visible { display: block; }
        .donate-section { display: block; }
        .donate-section.hidden { display: none; }

        .pledge-amount-row { display: flex; align-items: center; gap: 8px; margin: 16px 0; }
        .pledge-amount-row input { flex: 1; padding: 14px; border: 2px solid var(--border); border-radius: 12px;
            font-size: 20px; font-weight: 700; text-align: center; outline: none; }
        .pledge-amount-row input:focus { border-color: var(--accent); }
        .pledge-amount-row .unit-label { font-size: 14px; color: var(--text-secondary); white-space: nowrap; }

        .pledge-cap-row { margin: 0 0 16px; }
        .pledge-cap-row label { font-size: 13px; color: var(--text-muted); display: block; margin-bottom: 4px; }
        .pledge-cap-row input { width: 100%; padding: 12px; border: 1.5px solid var(--border); border-radius: 10px;
            font-size: 15px; outline: none; box-sizing: border-box; }
        .pledge-cap-row input:focus { border-color: var(--accent); }

        .pledge-info { background: #eff6ff; border: 1.5px solid #bfdbfe; border-radius: 10px;
            padding: 12px 16px; margin: 16px 0; font-size: 13px; color: #1e40af; line-height: 1.5; }

        .pledge-success { text-align: center; padding: 32px 16px; }
        .pledge-success h2 { font-size: 22px; color: var(--text-primary); margin-bottom: 8px; }
        .pledge-success p { font-size: 15px; color: var(--text-secondary); line-height: 1.5; }