:root{--primary: #4f46e5;--primary-dark: #4338ca;--success: #10b981;--danger: #ef4444;--warning: #f59e0b;--surface: #ffffff;--surface-alt: #f8fafc;--border: #e2e8f0;--text: #1e293b;--text-muted: #64748b;--radius: 12px;--radius-sm: 8px;--shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);--shadow-lg: 0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -2px rgba(0,0,0,.05);--safe-bottom: env(safe-area-inset-bottom, 0px)}@media (prefers-color-scheme: dark){:root{--surface: #1e1e2e;--surface-alt: #2a2a3e;--border: #3f3f5a;--text: #e2e8f0;--text-muted: #94a3b8}}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}[hidden]{display:none!important}html{font-size:16px;-webkit-text-size-adjust:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;background:var(--surface-alt);color:var(--text);line-height:1.5;min-height:100vh;min-height:100dvh;overscroll-behavior:none}#app{display:flex;flex-direction:column;min-height:100vh;min-height:100dvh}.header{background:var(--primary);color:#fff;padding:16px 20px;padding-top:max(16px,env(safe-area-inset-top));display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:100}.header h1{font-size:1.25rem;font-weight:600}.header-badge{background:#fff;color:var(--primary);font-size:.875rem;font-weight:700;padding:4px 10px;border-radius:20px;min-width:28px;text-align:center}.main{flex:1;padding:16px;padding-bottom:calc(120px + var(--safe-bottom));overflow-y:auto}.form-card{background:var(--surface);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.form-group{margin-bottom:20px}.form-group:last-of-type{margin-bottom:24px}.form-group label{display:block;font-size:.875rem;font-weight:600;color:var(--text-muted);margin-bottom:8px}.form-group input[type=text],.form-group input[type=number],.form-group input[type=date]{width:100%;padding:14px 16px;font-size:1rem;border:2px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);color:var(--text);transition:border-color .2s,box-shadow .2s;-webkit-appearance:none}.form-group input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #4f46e526}.btn-group{display:flex;gap:8px}.btn-toggle{flex:1;padding:14px 16px;font-size:1rem;font-weight:600;border:2px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);color:var(--text-muted);cursor:pointer;transition:all .2s}.btn-toggle.active{border-color:var(--primary);background:var(--primary);color:#fff}.btn-toggle[data-type=OUT].active{background:var(--danger);border-color:var(--danger)}.btn-toggle[data-type=IN].active{background:var(--success);border-color:var(--success)}.image-upload{width:100%}.image-preview{position:relative;width:100%;min-height:150px;border:2px dashed var(--border);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;cursor:pointer;overflow:hidden;transition:border-color .2s}.image-preview:active{border-color:var(--primary)}.image-placeholder{display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--text-muted);padding:20px;text-align:center}.image-placeholder .icon{font-size:2.5rem}.image-preview img{width:100%;height:auto;max-height:300px;object-fit:contain}.btn-remove-image{position:absolute;top:8px;right:8px;width:32px;height:32px;border-radius:50%;background:var(--danger);color:#fff;border:none;font-size:1.25rem;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow)}.btn-primary{width:100%;padding:16px 24px;font-size:1.125rem;font-weight:600;border:none;border-radius:var(--radius-sm);background:var(--primary);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;transition:background .2s,transform .1s;-webkit-tap-highlight-color:transparent}.btn-primary:active{background:var(--primary-dark);transform:scale(.98)}.btn-secondary{padding:14px 20px;font-size:1rem;font-weight:600;border:2px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);color:var(--text);cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;transition:all .2s}.btn-secondary:active{background:var(--surface-alt)}.bottom-nav{position:fixed;bottom:0;left:0;right:0;background:var(--surface);border-top:1px solid var(--border);display:flex;padding-bottom:var(--safe-bottom);z-index:100;box-shadow:0 -2px 10px #0000001a}.nav-btn{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:12px 16px;background:none;border:none;color:var(--text-muted);font-size:.75rem;font-weight:500;cursor:pointer;position:relative;transition:color .2s;-webkit-tap-highlight-color:transparent}.nav-btn .icon{font-size:1.5rem}.nav-btn.active{color:var(--primary)}.nav-badge{position:absolute;top:6px;right:calc(50% - 24px);background:var(--danger);color:#fff;font-size:.625rem;font-weight:700;padding:2px 6px;border-radius:10px;min-width:18px;text-align:center}.nav-badge:empty,.nav-badge[data-count="0"]{display:none}.list-view{flex:1;display:flex;flex-direction:column;padding:16px;padding-bottom:calc(120px + var(--safe-bottom))}.list-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.list-header h2{font-size:1.125rem;font-weight:600}.btn-back{padding:8px 16px;font-size:.875rem;font-weight:500;border:none;border-radius:var(--radius-sm);background:var(--surface);color:var(--primary);cursor:pointer;box-shadow:var(--shadow)}.submissions-list{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:12px;margin-bottom:16px}.submission-card{background:var(--surface);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);position:relative}.submission-card.type-in{border-left:4px solid var(--success)}.submission-card.type-out{border-left:4px solid var(--danger)}.submission-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:8px}.submission-amount{font-size:1.25rem;font-weight:700}.submission-amount.type-in{color:var(--success)}.submission-amount.type-out{color:var(--danger)}.submission-date{font-size:.875rem;color:var(--text-muted)}.submission-description{font-weight:500;margin-bottom:4px}.submission-meta{font-size:.875rem;color:var(--text-muted)}.submission-image-indicator{display:inline-flex;align-items:center;gap:4px;font-size:.75rem;color:var(--primary);margin-top:8px}.btn-delete-submission{position:absolute;top:12px;right:12px;width:28px;height:28px;border-radius:50%;background:var(--surface-alt);color:var(--danger);border:none;font-size:1rem;cursor:pointer;display:flex;align-items:center;justify-content:center}.list-actions{display:flex;gap:12px;margin-bottom:16px}.list-actions .btn-secondary{flex:1}.list-actions .btn-primary{flex:2}.email-hint{background:var(--surface);border-radius:var(--radius-sm);padding:16px;text-align:center;font-size:.875rem;color:var(--text-muted)}.email-hint code{background:var(--surface-alt);padding:2px 6px;border-radius:4px;font-size:.8125rem}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 20px;text-align:center;color:var(--text-muted)}.empty-state .icon{font-size:3rem;margin-bottom:16px}.toast{position:fixed;bottom:calc(80px + var(--safe-bottom) + 16px);left:50%;transform:translate(-50%) translateY(100px);background:var(--text);color:var(--surface);padding:12px 24px;border-radius:var(--radius-sm);font-size:.875rem;font-weight:500;box-shadow:var(--shadow-lg);z-index:200;opacity:0;transition:transform .3s,opacity .3s}.toast.show{transform:translate(-50%) translateY(0);opacity:1}.toast.success{background:var(--success)}.toast.error{background:var(--danger)}@media (min-width: 480px){.main,.list-view{max-width:100%;margin:0 auto}}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px;opacity:0;transition:opacity .2s ease}.modal-overlay.show{opacity:1}.modal-overlay[hidden]{display:none}.modal-dialog{background:var(--surface);border-radius:var(--radius);padding:24px;max-width:340px;width:100%;text-align:center;box-shadow:var(--shadow-lg);transform:scale(.9);transition:transform .2s ease}.modal-overlay.show .modal-dialog{transform:scale(1)}.modal-icon{font-size:3rem;margin-bottom:12px}.modal-title{font-size:1.25rem;font-weight:600;margin:0 0 8px;color:var(--text)}.modal-message{font-size:.9375rem;color:var(--text-muted);margin:0 0 24px;line-height:1.5}.modal-actions{display:flex;gap:12px}.btn-modal{flex:1;padding:14px 20px;font-size:1rem;font-weight:600;border:none;border-radius:var(--radius-sm);cursor:pointer;transition:all .2s;-webkit-tap-highlight-color:transparent}.btn-modal-cancel{background:var(--surface-alt);color:var(--text);border:2px solid var(--border)}.btn-modal-cancel:active{background:var(--border)}.btn-modal-confirm{background:var(--danger);color:#fff}.btn-modal-confirm:active{background:#dc2626}.btn-modal-confirm.primary{background:var(--primary)}.btn-modal-confirm.primary:active{background:var(--primary-dark)}.alert-dialog .modal-message{text-align:left;white-space:pre-line}.alert-dialog .btn-modal-confirm{background:var(--primary)}.alert-dialog .btn-modal-confirm:active{background:var(--primary-dark)}.form-group label .help-icon{display:inline-flex;width:18px;height:18px;padding:0;margin-left:6px;border:1.5px solid var(--primary);border-radius:50%;background:transparent;color:var(--primary);font-size:.75rem;font-weight:600;cursor:pointer;align-items:center;justify-content:center;vertical-align:middle;transition:all .2s;-webkit-tap-highlight-color:transparent}.form-group label .help-icon:active{background:var(--primary);color:#fff}.form-group select{width:100%;padding:14px 40px 14px 16px;font-size:1rem;border:2px solid var(--border);border-radius:var(--radius-sm);background-color:var(--surface);color:var(--text);transition:border-color .2s,box-shadow .2s;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center}.form-group select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #4f46e526}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-5px)}75%{transform:translate(5px)}}.shake{animation:shake .3s ease-in-out}@media (min-width: 768px){.header{padding:20px 40px;justify-content:center}.header h1{font-size:1.5rem;margin-right:auto;max-width:900px}.header-badge{margin-left:16px}.main{padding:32px 20px;padding-bottom:calc(140px + var(--safe-bottom));max-width:900px}.form-card{display:grid;grid-template-columns:1fr 1fr;gap:24px 32px;padding:40px}.form-group{margin-bottom:0}.form-group--full,.form-submit{grid-column:1 / -1}.submissions-list,.settings-card{max-width:800px;margin:0 auto}.bottom-nav{padding:16px 40px;max-width:600px;margin:0 auto 20px;border-radius:50px;bottom:20px;border:1px solid var(--border);box-shadow:var(--shadow-lg)}.bottom-nav .nav-btn{padding:14px 32px;font-size:1rem}}@media (min-width: 1024px){.main{padding-top:48px}.form-card{gap:32px 48px}.form-group input[type=text],.form-group input[type=number],.form-group input[type=date],.form-group select{padding:14px 16px}}