:root{--color-primary:#2e7d32;--color-bg:#fff;--color-text:#212121;--color-text-secondary:#757575;--color-error:#d32f2f;--color-success:#2e7d32;--color-pending:#f9a825;--color-border:#e0e0e0;--color-overlay:#00000080;--radius:12px;--shadow:0 2px 8px #0000001a;color:var(--color-text);background:#f5f5f5;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.5}*{box-sizing:border-box}body{min-height:100vh;margin:0}#root{min-height:100vh}a{color:inherit;text-decoration:none}button,input{font:inherit}.app-shell{flex-direction:column;min-height:100vh;display:flex}.app-header{background:var(--color-bg);border-bottom:1px solid var(--color-border);justify-content:space-between;align-items:center;padding:16px 24px;display:flex}.app-header-brand{align-items:center;gap:12px;display:flex}.logo-badge{background:var(--color-primary);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:48px;height:48px;font-weight:700;display:inline-flex}.logo-badge.large{width:80px;height:80px;margin:0 auto 16px;font-size:24px}.app-title{margin:0;font-size:18px;font-weight:700}.app-subtitle{color:var(--color-text-secondary);margin:0;font-size:14px}.app-nav{background:var(--color-bg);border-bottom:1px solid var(--color-border);flex-wrap:wrap;gap:8px;padding:12px 24px;display:flex}.nav-link{color:var(--color-text-secondary);border-radius:8px;padding:8px 14px;font-weight:500}.nav-link.active{color:var(--color-primary);background:#e8f5e9}.app-main{flex:1;width:100%;max-width:960px;margin:0 auto;padding:24px}.login-page{background:var(--color-bg);justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.login-card{flex-direction:column;gap:16px;width:100%;max-width:400px;display:flex}.login-card h1{text-align:center;margin:0 0 8px}.input{border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-bg);width:100%;min-height:48px;padding:12px 16px}.password-row{border:1px solid var(--color-border);border-radius:var(--radius);align-items:center;display:flex;overflow:hidden}.password-row .input{border:none;border-radius:0}.btn-primary{background:var(--color-primary);color:#fff;border-radius:var(--radius);cursor:pointer;border:none;width:100%;min-height:48px;padding:0 20px;font-weight:600}.btn-primary.disabled,.btn-primary:disabled{background:var(--color-border);cursor:not-allowed}.btn-primary.inline{width:auto;display:inline-block}.btn-secondary{background:var(--color-bg);color:var(--color-primary);border:1px solid var(--color-primary);border-radius:var(--radius);cursor:pointer;min-height:44px;padding:0 16px;font-weight:600}.btn-text{color:var(--color-primary);cursor:pointer;background:0 0;border:none;padding:8px 12px;font-weight:500}.btn-icon{cursor:pointer;color:var(--color-text-secondary);background:0 0;border:none;font-size:20px}.hint{color:var(--color-text-secondary);margin:0 0 16px;font-size:14px}.hint.center,.center{text-align:center}.error{color:var(--color-error);font-size:14px}.success{color:var(--color-success);font-size:14px;font-weight:500}.warning{color:var(--color-error);text-align:center;font-weight:500}.field-label{margin:12px 0 8px;font-size:14px;font-weight:600;display:block}.page-centered{justify-content:center;align-items:center;min-height:240px;display:flex}.spinner{border:3px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;width:40px;height:40px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.home-grid{gap:20px;display:grid}@media (width>=640px){.home-grid{grid-template-columns:1fr 1fr}}.home-card{background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius);text-align:center;box-shadow:var(--shadow);flex-direction:column;justify-content:center;align-items:center;min-height:160px;padding:32px;transition:box-shadow .15s;display:flex}.home-card:hover{box-shadow:0 4px 16px #0000001f}.home-card.settings{text-align:left;flex-direction:row;grid-column:1/-1;gap:16px;min-height:72px;padding:20px}.home-card-icon{margin-bottom:8px;font-size:48px}.home-card.settings .home-card-icon{margin-bottom:0;font-size:28px}.home-card h2{margin:0 0 4px;font-size:20px}.home-card p{color:var(--color-text-secondary);margin:0;font-size:14px}.submit-page h1,.history-page h1,.password-page h1{margin-top:0}.file-input-hidden{display:none}.receipt-card{background:var(--color-bg);border-radius:var(--radius);border:2px solid var(--color-border);box-shadow:var(--shadow);margin:16px 0;padding:16px}.receipt-card.assigned{border-color:var(--color-success)}.receipt-card.unassigned{border-color:var(--color-error)}.receipt-card-header{align-items:center;gap:12px;margin-bottom:12px;display:flex}.receipt-card-header h3{flex:1;margin:0;font-size:16px}.checkbox{border:2px solid var(--color-primary);background:var(--color-bg);cursor:pointer;color:#fff;border-radius:4px;justify-content:center;align-items:center;width:24px;height:24px;font-size:14px;display:inline-flex}.checkbox.checked{background:var(--color-primary)}.receipt-preview{object-fit:contain;background:#fafafa;border-radius:8px;width:100%;max-height:200px}.receipt-preview.pdf{min-height:120px;color:var(--color-error);justify-content:center;align-items:center;font-weight:700;display:flex}.receipt-status{margin:12px 0;font-size:14px}.receipt-status.ok{color:var(--color-success)}.receipt-status.warn{color:var(--color-error)}.dropdown-trigger{border:1px solid var(--color-border);background:var(--color-bg);cursor:pointer;border-radius:8px;justify-content:space-between;align-items:center;width:100%;min-height:48px;margin-bottom:8px;padding:12px;display:flex}.dropdown-trigger .placeholder{color:var(--color-text-secondary)}.modal-overlay{background:var(--color-overlay);z-index:1000;justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0}.modal-panel{background:var(--color-bg);border-radius:var(--radius);width:100%;max-width:480px;max-height:70vh;padding:16px;overflow:auto;box-shadow:0 8px 32px #0003}.modal-title{margin:0 0 12px;font-size:18px}.engagement-list{max-height:280px;margin:12px 0;padding:0;list-style:none;overflow:auto}.engagement-option{text-align:left;border:none;border-bottom:1px solid var(--color-border);background:var(--color-bg);cursor:pointer;width:100%;padding:12px 8px}.engagement-option.selected{background:#e8f5e9}.engagement-name{font-weight:500;display:block}.engagement-id{color:var(--color-text-secondary);font-size:12px;display:block}.modal-empty,.modal-empty-text{text-align:center;color:var(--color-text-secondary);padding:24px}.fab{background:var(--color-primary);color:#fff;border-radius:var(--radius);cursor:pointer;z-index:50;border:none;max-width:912px;min-height:48px;margin:0 auto;font-weight:600;position:fixed;bottom:24px;left:24px;right:24px}.empty-state{text-align:center;color:var(--color-text-secondary);padding:32px}.empty-state.block{flex-direction:column;align-items:center;gap:16px;display:flex}.history-toolbar{justify-content:space-between;align-items:center;gap:16px;margin-bottom:16px;display:flex}.submission-list{margin:0;padding:0;list-style:none}.submission-row{border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-bg);cursor:pointer;text-align:left;justify-content:space-between;align-items:flex-start;gap:12px;width:100%;margin-bottom:12px;padding:16px;display:flex}.submission-summary{flex-direction:column;gap:4px;display:flex}.submission-summary strong{font-size:16px}.submission-summary span{color:var(--color-text-secondary);font-size:14px}.submission-details{margin-top:-8px;margin-bottom:12px;padding:0 16px 16px}.folder-path{word-break:break-all;color:var(--color-text-secondary);font-size:13px}.thumb-row{flex-wrap:wrap;gap:12px;margin-top:12px;display:flex}.thumb{border:1px solid var(--color-border);cursor:pointer;background:#fafafa;border-radius:8px;width:80px;height:80px;padding:0;overflow:hidden}.thumb img{object-fit:cover;width:100%;height:100%}.thumb.pdf{color:var(--color-error);font-weight:700}.thumb.placeholder{color:var(--color-text-secondary);justify-content:center;align-items:center;font-size:12px;display:inline-flex}.badge{color:#fff;white-space:nowrap;border-radius:12px;padding:4px 10px;font-size:12px;font-weight:600}.badge-pending{background:var(--color-pending)}.badge-success{background:var(--color-success)}.badge-error{background:var(--color-error)}.password-page form{max-width:480px}