:root {
    --primary: #d42b2b;
    --primary-dark: #b71c1c;
    --bg: #f5f5f5;
    --card: #ffffff;
    --text: #1a1a1a;
    --text2: #666;
    --border: #e0e0e0;
    --success: #4caf50;
    --warning: #ff9800;
    --danger: #f44336;
    --radius: 16px;
    --radius-sm: 12px;
}
* { margin:0; padding:0; box-sizing:border-box; }
body { font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif; background:var(--bg); color:var(--text); -webkit-font-smoothing:antialiased; }
#app { max-width:480px; margin:0 auto; min-height:100vh; }

.screen { display:none; padding:20px 16px; min-height:100vh; flex-direction:column; gap:12px; animation:fadeIn .3s ease; }
.screen.active { display:flex; }
@keyframes fadeIn { from{opacity:0;transform:translateY(8px)} to{opacity:1;transform:translateY(0)} }

/* Welcome */
#screen-welcome { justify-content:center; align-items:center; text-align:center; gap:16px; background:linear-gradient(180deg,#fff,#fef2f2); }
.welcome-icon { font-size:56px; }
.welcome-title { font-size:26px; font-weight:700; }
.welcome-subtitle { font-size:15px; color:var(--text2); line-height:1.5; }
.welcome-divider { width:60px; height:3px; background:var(--primary); border-radius:2px; }

/* Buttons */
.btn { display:block; width:100%; padding:14px; border:none; border-radius:var(--radius-sm); font-size:15px; font-weight:600; cursor:pointer; transition:all .2s; text-align:center; }
.btn:active { transform:scale(.97); }
.btn-primary { background:var(--primary); color:#fff; }
.btn-primary:hover { background:var(--primary-dark); }
.btn-secondary { background:var(--card); color:var(--primary); border:2px solid var(--primary); }
.btn-outline { background:transparent; color:var(--primary); border:1px solid var(--border); }
.btn-large { padding:16px 28px; font-size:17px; border-radius:var(--radius); }
.btn-sm { width:auto; padding:10px 18px; font-size:13px; }
.btn-success { background:var(--success); color:#fff; }
.btn-warning { background:var(--warning); color:#fff; }
.btn-danger { background:var(--danger); color:#fff; }
.btn-group { display:flex; gap:8px; margin-top:8px; }
.btn-group .btn { flex:1; padding:12px 8px; font-size:13px; }

/* Form */
.form-header { margin-bottom:8px; }
.btn-back { background:none; border:none; color:var(--primary); font-size:15px; font-weight:500; cursor:pointer; padding:8px 0; margin-bottom:8px; }
.section-title { font-size:20px; font-weight:700; margin-bottom:12px; }

.form-card { background:var(--card); border-radius:var(--radius); padding:16px; border:1px solid var(--border); }
.form-section-title { font-size:14px; font-weight:700; color:var(--text2); margin-bottom:12px; text-transform:uppercase; letter-spacing:0.5px; }
.form-grid { display:grid; grid-template-columns:1fr 1fr; gap:12px; }
.form-group { display:flex; flex-direction:column; gap:4px; }
.form-group.full-width { grid-column:1/-1; }
.form-label { font-size:13px; font-weight:500; color:var(--text2); }

.input-field { width:100%; padding:12px; border:2px solid var(--border); border-radius:10px; font-size:15px; background:var(--card); color:var(--text); outline:none; transition:border-color .2s; }
.input-field:focus { border-color:var(--primary); }
.input-field::placeholder { color:#bbb; }
.textarea-field { resize:vertical; min-height:100px; line-height:1.5; }
input[type="date"] { -webkit-appearance:none; appearance:none; }
input[type="date"]::-webkit-calendar-picker-indicator { opacity:0.5; }

/* Photo upload */
.photo-upload { border:2px dashed var(--border); border-radius:var(--radius-sm); padding:20px; text-align:center; cursor:pointer; transition:border-color .2s; }
.photo-upload:hover, .photo-upload:active { border-color:var(--primary); }
.photo-upload-icon { font-size:32px; margin-bottom:4px; }
.photo-upload-text { font-size:13px; color:var(--text2); }

.photo-preview { display:flex; gap:8px; flex-wrap:wrap; margin-top:8px; }
.photo-thumb { width:80px; height:80px; border-radius:10px; object-fit:cover; border:2px solid var(--border); position:relative; }
.photo-thumb-wrap { position:relative; display:inline-block; }
.photo-thumb-remove { position:absolute; top:-6px; right:-6px; width:22px; height:22px; border-radius:50%; background:var(--danger); color:#fff; border:none; font-size:12px; cursor:pointer; display:flex; align-items:center; justify-content:center; }

/* Appeals list */
.appeals-list { display:flex; flex-direction:column; gap:10px; }
.appeal-card { background:var(--card); border-radius:var(--radius); padding:14px; border:1px solid var(--border); cursor:pointer; transition:all .2s; }
.appeal-card:active { transform:scale(.98); background:#f9f9f9; }
.appeal-top { display:flex; justify-content:space-between; align-items:center; margin-bottom:6px; }
.appeal-id { font-weight:700; font-size:14px; }
.appeal-status { font-size:11px; padding:3px 8px; border-radius:16px; font-weight:600; }
.status-new { background:#e3f2fd; color:#1565c0; }
.status-in_progress { background:#fff3e0; color:#e65100; }
.status-completed { background:#e8f5e9; color:#2e7d32; }
.status-rejected { background:#fce4ec; color:#c62828; }
.appeal-name { font-size:13px; color:var(--text2); margin-bottom:3px; }
.appeal-text { font-size:13px; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
.appeal-date { font-size:11px; color:var(--text2); margin-top:6px; }
.appeal-empty { text-align:center; padding:32px 16px; color:var(--text2); font-size:14px; }
.appeal-photos { font-size:11px; color:var(--primary); margin-top:4px; }

/* Detail */
.detail-body { background:var(--card); border-radius:var(--radius); padding:16px; border:1px solid var(--border); }
.detail-row { padding:10px 0; border-bottom:1px solid var(--border); }
.detail-row:last-child { border-bottom:none; }
.detail-label { font-size:11px; color:var(--text2); margin-bottom:3px; text-transform:uppercase; }
.detail-value { font-size:14px; font-weight:500; }
.detail-message { white-space:pre-wrap; line-height:1.5; }

.detail-photos { display:flex; gap:8px; flex-wrap:wrap; margin:12px 0; }
.detail-photo { width:100px; height:100px; border-radius:10px; object-fit:cover; border:1px solid var(--border); }

.comments-section { margin-bottom:8px; }
.comments-title { font-size:14px; font-weight:600; margin-bottom:8px; color:var(--text2); }
.comment-card { background:var(--card); border-radius:var(--radius-sm); padding:10px 14px; margin-bottom:6px; border:1px solid var(--border); }
.comment-author { font-size:11px; color:var(--text2); margin-bottom:3px; }
.comment-text { font-size:13px; }
.comment-date { font-size:10px; color:#aaa; margin-top:3px; }
.comment-input-wrap { display:flex; gap:8px; margin-top:auto; padding-top:8px; }
.comment-input-wrap .input-field { flex:1; padding:10px; }

/* Staff */
.staff-header { margin-bottom:12px; }
.staff-title { font-size:20px; font-weight:700; margin-bottom:12px; }
.stats-row { display:flex; gap:6px; }
.stat-card { flex:1; background:var(--card); border-radius:var(--radius-sm); padding:10px; text-align:center; border:1px solid var(--border); }
.stat-count { font-size:22px; font-weight:700; }
.stat-label { font-size:10px; color:var(--text2); margin-top:2px; }
.stat-new .stat-count { color:#1565c0; }
.stat-progress .stat-count { color:#e65100; }
.stat-done .stat-count { color:#2e7d32; }

.staff-filters { display:flex; gap:6px; margin-bottom:12px; overflow-x:auto; padding-bottom:4px; }
.filter-btn { padding:6px 14px; border:1px solid var(--border); border-radius:20px; background:var(--card); font-size:12px; cursor:pointer; white-space:nowrap; transition:all .2s; }
.filter-btn.active { background:var(--primary); color:#fff; border-color:var(--primary); }

.admin-add-form { display:flex; flex-direction:column; gap:8px; background:var(--card); padding:14px; border-radius:var(--radius); border:1px solid var(--border); }
.admin-add-form .input-field { padding:10px; font-size:13px; }

/* Loading */
#screen-loading { justify-content:center; align-items:center; gap:16px; background:rgba(255,255,255,.9); }
.spinner { width:40px; height:40px; border:4px solid var(--border); border-top-color:var(--primary); border-radius:50%; animation:spin .8s linear infinite; }
@keyframes spin { to{transform:rotate(360deg)} }
.loading-text { font-size:15px; color:var(--text2); }

@media (prefers-color-scheme:dark) {
    :root { --bg:#1a1a1a; --card:#2a2a2a; --text:#fff; --text2:#aaa; --border:#404040; }
    #screen-welcome { background:linear-gradient(180deg,#2a2a2a,#2d1a1a); }
    .appeal-card:active { background:#333; }
    .photo-upload { border-color:#555; }
}