*{margin:0;padding:0;box-sizing:border-box}:root{color-scheme:light;--bg-gradient: linear-gradient(135deg, #f8fbff 0%, #e9effa 100%);--text-primary: #1f2937;--text-secondary: #4b5563;--text-muted: #6b7280;--card-bg: #ffffff;--card-shadow: 0 16px 40px rgba(28, 44, 78, .16);--border: #dce5f4;--input-bg: #ffffff;--button-gradient: linear-gradient(135deg, #0f766e 0%, #0f4c81 100%);--button-shadow: rgba(15, 118, 110, .35);--disabled-bg: #b8c1d4;--error-bg: #ffeaea;--error-fg: #9f1239;--error-border: #be123c;--success-bg: #e8f8ef;--success-fg: #166534;--success-border: #15803d;--provider-badge-bg: #e4efff;--provider-badge-fg: #1e40af;--summary-print-bg: #edf4ff;--summary-print-border: #2563eb;--summary-add-bg: linear-gradient(135deg, #e7f8ee 0%, #f2f3ff 100%);--summary-add-border: #0f766e;--amount-bg: #f8fafc;--amount-border: #e2e8f0;--amount-value: #1d4ed8;--theme-toggle-bg: #edf3ff;--theme-toggle-fg: #1f3a66;--theme-toggle-border: #bfd1f3}[data-theme=dark]{color-scheme:dark;--bg-gradient: linear-gradient(135deg, #0b1220 0%, #151f34 100%);--text-primary: #e5ecff;--text-secondary: #bcc9e8;--text-muted: #93a5cc;--card-bg: #111a2b;--card-shadow: 0 18px 46px rgba(0, 0, 0, .45);--border: #2c3b58;--input-bg: #15223a;--button-gradient: linear-gradient(135deg, #159a8f 0%, #246bb2 100%);--button-shadow: rgba(36, 107, 178, .45);--disabled-bg: #475a7c;--error-bg: #351824;--error-fg: #ffb1c5;--error-border: #d14b75;--success-bg: #163124;--success-fg: #9be5bd;--success-border: #2fa46a;--provider-badge-bg: #1a3158;--provider-badge-fg: #98b8ff;--summary-print-bg: #1f2f4a;--summary-print-border: #6ea8ff;--summary-add-bg: linear-gradient(135deg, #17382f 0%, #232849 100%);--summary-add-border: #56d8b5;--amount-bg: #172236;--amount-border: #2d3d5c;--amount-value: #8db4ff;--theme-toggle-bg: #1a2a45;--theme-toggle-fg: #c7d9ff;--theme-toggle-border: #37507a;--mock-google-bg: #15223a;--mock-google-fg: #d4def4;--mock-google-border: #385072;--divider-line: #34486a}:root{--mock-google-bg: #ffffff;--mock-google-fg: #3c4043;--mock-google-border: #dadce0;--divider-line: #d9dfeb}body{font-family:Segoe UI,Roboto,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:var(--bg-gradient);min-height:100vh;display:flex;justify-content:center;align-items:flex-start;padding:16px 0 40px;color:var(--text-primary);transition:background .25s ease,color .25s ease}.app-container{width:100%;max-width:500px;padding:0 12px}.card{background:var(--card-bg);border-radius:12px;padding:24px 20px;box-shadow:var(--card-shadow);border:1px solid var(--border)}@media (min-width: 480px){.app-container{padding:0 20px}.card{padding:30px}}h1{color:var(--text-primary);margin-bottom:6px;text-align:center;font-size:1.5rem}h2{color:var(--text-secondary);margin-bottom:20px;font-size:1.3rem}.subtitle{color:var(--text-muted);text-align:center;margin-bottom:30px;font-size:.9rem}.form-group{margin-bottom:20px}label{display:block;margin-bottom:8px;color:var(--text-secondary);font-weight:500}input{width:100%;padding:12px;border:2px solid var(--border);border-radius:6px;font-size:16px;transition:border-color .3s;background:var(--input-bg);color:var(--text-primary)}input:focus{outline:none;border-color:var(--summary-print-border)}button{width:100%;padding:16px;background:var(--button-gradient);color:#fff;border:none;border-radius:8px;font-size:17px;font-weight:600;cursor:pointer;transition:transform .2s,box-shadow .2s;-webkit-tap-highlight-color:transparent;touch-action:manipulation}@media (hover: hover){button:hover{transform:translateY(-2px);box-shadow:0 5px 20px var(--button-shadow)}}button:active{transform:translateY(0);opacity:.9}button:disabled{background:var(--disabled-bg);cursor:not-allowed;transform:none}.user-info{background:var(--summary-print-bg);border-radius:8px;padding:20px;margin-bottom:20px;border-left:4px solid var(--summary-print-border)}.user-info h3{color:var(--text-primary);margin-bottom:12px;font-size:1.2rem}.user-info p{color:var(--text-secondary);margin:6px 0;font-size:.95rem}.user-info p strong{color:var(--text-primary);font-weight:600}.logout-button{background:#d9435f;margin-bottom:20px}.logout-button:hover{box-shadow:0 5px 20px #f4433666}.error{background:var(--error-bg);color:var(--error-fg);padding:12px;border-radius:6px;margin-bottom:20px;border-left:4px solid var(--error-border)}.success{background:var(--success-bg);color:var(--success-fg);padding:12px;border-radius:6px;margin-bottom:20px;border-left:4px solid var(--success-border)}.loading{text-align:center;color:var(--text-muted);padding:20px}.loading-large{padding:40px}.provider-badge{display:inline-block;background:var(--provider-badge-bg);color:var(--provider-badge-fg);padding:6px 12px;border-radius:20px;font-size:.85rem;font-weight:600;margin-bottom:20px;text-transform:uppercase}#paypal-button-container{margin-top:20px}.StripeElement{padding:12px;border:2px solid var(--border);border-radius:6px;background:var(--input-bg)}.StripeElement--focus{border-color:var(--summary-print-border)}.nmi-container{margin-top:20px}.transaction-info{background:var(--amount-bg);padding:15px;border-radius:6px;margin-top:15px}.transaction-info p{margin:5px 0;color:var(--text-secondary)}.helper-text{display:block;margin-top:10px;color:var(--text-muted);text-align:center}.success-block{margin-top:20px;text-align:center}.meta-text{color:var(--text-secondary)}.top-gap-sm{margin-top:8px}.top-gap-md{margin-top:16px}.summary-box{border-radius:8px;padding:14px 16px;margin-bottom:20px}.summary-print{background:var(--summary-print-bg);border-left:4px solid var(--summary-print-border)}.summary-add{background:var(--summary-add-bg);border-left:4px solid var(--summary-add-border)}.summary-title{font-weight:700;font-size:1.05rem;color:var(--text-primary);margin-bottom:2px}.summary-subtitle{font-size:.85rem;color:var(--text-muted)}.amount-box{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:24px;padding:12px 16px;background:var(--amount-bg);border-radius:8px;border:1px solid var(--amount-border)}.amount-label{color:var(--text-muted);font-size:.95rem}.amount-value{font-weight:700;font-size:1.6rem;color:var(--amount-value)}.mock-wallet-section{margin-bottom:20px}.mock-wallet-row{display:flex;gap:10px;justify-content:center;margin-bottom:20px}.mock-wallet-btn{flex:1;padding:12px;border-radius:6px;cursor:pointer;font-size:16px;font-weight:500;display:flex;align-items:center;justify-content:center;gap:8px;box-shadow:none}.mock-wallet-btn:hover{transform:none;box-shadow:none;opacity:.95}.mock-wallet-apple{background:#000;color:#fff;border:none}.mock-wallet-google{background:var(--mock-google-bg);color:var(--mock-google-fg);border:1px solid var(--mock-google-border)}.mock-divider{text-align:center;font-size:14px;color:var(--text-muted);margin:15px 0;position:relative}.mock-divider-label{background:var(--card-bg);padding:0 10px;position:relative;z-index:1}.mock-divider-line{position:absolute;top:50%;left:0;right:0;height:1px;background-color:var(--divider-line);z-index:0}.mock-input{border-width:1px}@media (max-width: 420px){.mock-wallet-row{flex-direction:column}}