.dk-checkout{--dk-accent: #0F766E;--dk-accent-hover: #0D6560;--dk-bg: #FFFFFF;--dk-surface: #F8FAFC;--dk-border: #E2E8F0;--dk-text: #1E293B;--dk-text-muted: #64748B;--dk-error: #DC2626;--dk-success: #16A34A;--dk-radius: 8px;--dk-radius-lg: 12px;--dk-font: Inter, system-ui, -apple-system, sans-serif;--dk-shadow: 0 1px 3px rgba(0, 0, 0, .1), 0 1px 2px rgba(0, 0, 0, .06);--dk-shadow-card: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);font-family:var(--dk-font);background:var(--dk-bg);color:var(--dk-text);min-width:320px;max-width:480px;box-sizing:border-box;padding:24px;border-radius:var(--dk-radius-lg)}.dk-checkout.dk-theme-dark{--dk-accent: #2DD4BF;--dk-accent-hover: #14B8A6;--dk-bg: #1E293B;--dk-surface: #0F172A;--dk-border: #334155;--dk-text: #F1F5F9;--dk-text-muted: #94A3B8;--dk-error: #F87171;--dk-success: #4ADE80;--dk-shadow: 0 1px 3px rgba(0, 0, 0, .4);--dk-shadow-card: 0 4px 6px -1px rgba(0, 0, 0, .5)}.dk-checkout.dk-theme-brand{--dk-bg: #FFFFFF;--dk-surface: #F8FAFC;--dk-border: #E2E8F0;--dk-text: #1E293B;--dk-text-muted: #64748B;--dk-error: #DC2626;--dk-success: #16A34A}.dk-checkout *{box-sizing:border-box}.dk-checkout button{font-family:var(--dk-font);cursor:pointer;border:none;outline:none;transition:background .15s,opacity .15s,box-shadow .15s}.dk-checkout button:focus-visible{box-shadow:0 0 0 3px color-mix(in srgb,var(--dk-accent) 40%,transparent)}.dk-checkout input{font-family:var(--dk-font);color:var(--dk-text);background:var(--dk-bg);border:1.5px solid var(--dk-border);border-radius:var(--dk-radius);padding:10px 12px;font-size:15px;width:100%;outline:none;transition:border-color .15s,box-shadow .15s}.dk-checkout input:focus{border-color:var(--dk-accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--dk-accent) 20%,transparent)}.dk-title{font-size:20px;font-weight:700;margin:0 0 20px;color:var(--dk-text)}.dk-title em{font-style:normal;color:var(--dk-accent)}.dk-optional{font-size:13px;font-weight:400;color:var(--dk-text-muted)}.dk-step{display:flex;flex-direction:column;gap:16px}.dk-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:200px;gap:16px;color:var(--dk-text-muted)}@keyframes dk-spin{to{transform:rotate(360deg)}}.dk-spinner{width:32px;height:32px;border:3px solid color-mix(in srgb,var(--dk-accent) 25%,transparent);border-top-color:var(--dk-accent);border-radius:50%;animation:dk-spin .7s linear infinite}.dk-spinner-sm{width:16px;height:16px;border-width:2px;display:inline-block;vertical-align:middle;margin-right:6px}.dk-categories{display:flex;flex-direction:column;gap:10px}.dk-category-card{display:flex;flex-direction:column;align-items:flex-start;gap:4px;background:var(--dk-surface);border:1.5px solid var(--dk-border);border-radius:var(--dk-radius);padding:14px 16px;text-align:left;box-shadow:var(--dk-shadow);width:100%;transition:border-color .15s,box-shadow .15s,background .15s}.dk-category-card:hover{border-color:var(--dk-accent);box-shadow:var(--dk-shadow-card)}.dk-category-card:active{background:color-mix(in srgb,var(--dk-accent) 8%,var(--dk-surface))}.dk-cat-name{font-size:15px;font-weight:600;color:var(--dk-text)}.dk-cat-desc{font-size:13px;color:var(--dk-text-muted);line-height:1.4}.dk-presets{display:grid;grid-template-columns:repeat(auto-fill,minmax(80px,1fr));gap:10px}.dk-preset{background:var(--dk-surface);border:1.5px solid var(--dk-border);border-radius:var(--dk-radius);padding:12px 8px;font-size:16px;font-weight:600;color:var(--dk-text);width:100%;text-align:center;transition:border-color .15s,background .15s,color .15s}.dk-preset:hover{border-color:var(--dk-accent);background:color-mix(in srgb,var(--dk-accent) 8%,var(--dk-surface))}.dk-preset.dk-active{border-color:var(--dk-accent);background:var(--dk-accent);color:#fff}.dk-custom-amount label{display:block;font-size:13px;font-weight:500;color:var(--dk-text-muted);margin-bottom:6px}.dk-amount-input-wrap{display:flex;align-items:center;border:1.5px solid var(--dk-border);border-radius:var(--dk-radius);overflow:hidden;background:var(--dk-bg);transition:border-color .15s,box-shadow .15s}.dk-amount-input-wrap:focus-within{border-color:var(--dk-accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--dk-accent) 20%,transparent)}.dk-currency-symbol{padding:0 10px;font-size:16px;font-weight:600;color:var(--dk-text-muted);background:var(--dk-surface);border-right:1.5px solid var(--dk-border);-webkit-user-select:none;user-select:none;display:flex;align-items:center;align-self:stretch;line-height:42px;height:42px}.dk-amount-input-wrap input{border:none;border-radius:0;box-shadow:none;padding:10px 12px;font-size:18px;font-weight:600}.dk-amount-input-wrap input:focus{border-color:transparent;box-shadow:none}.dk-field{display:flex;flex-direction:column;gap:6px}.dk-field label{font-size:13px;font-weight:500;color:var(--dk-text-muted)}.dk-field-check{flex-direction:row;align-items:center;gap:10px}.dk-field-check input[type=checkbox]{width:18px;height:18px;accent-color:var(--dk-accent);cursor:pointer;flex-shrink:0}.dk-field-check label{font-size:14px;font-weight:400;color:var(--dk-text);cursor:pointer}.dk-actions{display:flex;gap:12px;justify-content:flex-end;flex-wrap:wrap}.dk-btn-primary{background:var(--dk-accent);color:#fff;border-radius:var(--dk-radius);padding:12px 24px;font-size:15px;font-weight:600;width:100%;box-shadow:var(--dk-shadow)}.dk-btn-primary:hover:not(:disabled){background:var(--dk-accent-hover, color-mix(in srgb, var(--dk-accent) 85%, #000))}.dk-btn-primary:disabled{opacity:.5;cursor:not-allowed}.dk-btn-secondary{background:transparent;color:var(--dk-accent);border:1.5px solid var(--dk-border);border-radius:var(--dk-radius);padding:10px 20px;font-size:14px;font-weight:500}.dk-btn-secondary:hover{background:var(--dk-surface)}.dk-back{background:none;color:var(--dk-text-muted);font-size:13px;font-weight:500;padding:4px 0;align-self:flex-start}.dk-back:hover{color:var(--dk-text)}.dk-summary{font-size:15px;color:var(--dk-text-muted);margin:0;padding:12px 16px;background:var(--dk-surface);border-radius:var(--dk-radius);border:1px solid var(--dk-border)}.dk-summary strong{color:var(--dk-text);font-size:18px}.dk-error{color:var(--dk-error);font-size:13px;margin:0;padding:10px 12px;background:color-mix(in srgb,var(--dk-error) 8%,transparent);border-radius:var(--dk-radius);border:1px solid color-mix(in srgb,var(--dk-error) 30%,transparent)}.dk-hidden{display:none!important}.dk-step-confirm{align-items:center;text-align:center;padding:24px 0;gap:20px}@keyframes dk-pop{0%{transform:scale(.5);opacity:0}70%{transform:scale(1.15)}to{transform:scale(1);opacity:1}}.dk-checkmark{width:72px;height:72px;background:var(--dk-success);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:36px;font-weight:700;animation:dk-pop .4s ease-out;box-shadow:0 4px 14px color-mix(in srgb,var(--dk-success) 40%,transparent)}.dk-confirm-msg{font-size:15px;color:var(--dk-text-muted);margin:0;max-width:300px;line-height:1.5}.dk-confirm-amount{font-size:18px;font-weight:700;color:var(--dk-text);margin:0}.dk-receipt-note{font-size:13px;color:var(--dk-text-muted);margin:0}.dk-step-error{align-items:center;text-align:center;padding:40px 0;color:var(--dk-text-muted)}.dk-org-header{display:flex;align-items:center;gap:12px;margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--dk-border)}.dk-org-logo{width:40px;height:40px;border-radius:50%;object-fit:cover}.dk-org-name{font-size:16px;font-weight:700;color:var(--dk-text)}.dk-domain-error{display:flex;flex-direction:column;align-items:center;text-align:center;padding:32px 24px;gap:12px}.dk-domain-error h2{font-size:18px;font-weight:700;color:var(--dk-error);margin:0}.dk-domain-error p{font-size:14px;color:var(--dk-text-muted);margin:0}@media (max-width: 360px){.dk-checkout{padding:16px}.dk-presets{grid-template-columns:repeat(2,1fr)}.dk-actions{flex-direction:column}.dk-btn-secondary{width:100%}}