*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #f7f6f3; --surface: #fff; --border: #e2e0d8; --border-strong: #c8c6bc;
  --text: #1a1a18; --text-muted: #6b6960; --text-faint: #9b9890; --accent: #1a1a18;
  --green: #2d6a4f; --green-bg: #eaf5ef; --red: #b03a2e; --red-bg: #fdf0ee;
  --warning-bg: #fef9ec; --warning: #8a6500; --info-bg: #eef4fc; --info: #1a4f8a;
  --radius: 8px; --radius-lg: 12px;
}
body { font-family: system-ui, sans-serif; background: var(--bg); color: var(--text); font-size: 14px; min-height: 100vh; }

/* Auth pages */
.auth-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 1rem; }
.auth-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); width: 100%; max-width: 420px; padding: 2rem; box-shadow: 0 4px 24px rgba(0,0,0,0.06); }
.auth-card h1 { font-size: 20px; font-weight: 600; font-family: Georgia, serif; margin-bottom: 4px; }
.auth-card .subtitle { font-size: 13px; color: var(--text-muted); margin-bottom: 1.25rem; }
.auth-tabs { display: flex; border-bottom: 1px solid var(--border); margin-bottom: 1.25rem; }
.auth-tab { padding: 8px 14px; font-size: 13px; color: var(--text-muted); border-bottom: 2px solid transparent; margin-bottom: -1px; text-decoration: none; }
.auth-tab.active { color: var(--text); border-bottom-color: var(--accent); font-weight: 500; }
.step-label { font-size: 13px; font-weight: 600; margin-bottom: 10px; }

/* Flash messages */
.message { padding: 10px 13px; border-radius: var(--radius); font-size: 13px; margin-bottom: 14px; border: 1px solid; }
.message.success { background: var(--green-bg); color: var(--green); border-color: #a8d5b8; }
.message.error { background: var(--red-bg); color: var(--red); border-color: #f0c0bb; }
.message.warning { background: var(--warning-bg); color: var(--warning); border-color: #e5d080; }

/* Forms */
.form-group { margin-bottom: 13px; }
.form-group label { display: block; font-size: 12px; color: var(--text-muted); margin-bottom: 4px; font-weight: 500; }
.label-hint { font-weight: 400; color: var(--text-faint); }
.form-group input, .form-group select { width: 100%; padding: 9px 11px; border: 1px solid var(--border-strong); border-radius: var(--radius); font-size: 14px; background: var(--surface); color: var(--text); font-family: system-ui; }
.form-group input:focus, .form-group select:focus { outline: none; border-color: var(--accent); }
.info-note { background: var(--info-bg); color: var(--info); border: 1px solid #b8d4f0; border-radius: var(--radius); padding: 9px 12px; font-size: 12px; margin-bottom: 12px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 5px; padding: 7px 13px; border: 1px solid var(--border-strong); border-radius: var(--radius); font-size: 13px; background: var(--surface); color: var(--text); cursor: pointer; text-decoration: none; font-family: system-ui; white-space: nowrap; }
.btn:hover { background: var(--bg); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover { opacity: 0.88; background: var(--accent); }
.btn-block { width: 100%; justify-content: center; margin-top: 4px; }
.btn-danger { color: var(--red); border-color: #f0c0bb; }
.btn-danger:hover { background: var(--red-bg); }
.btn-sm { padding: 4px 9px; font-size: 12px; }
.btn-link { background: none; border: none; color: var(--text-muted); font-size: 12px; cursor: pointer; text-decoration: underline; padding: 0; }

/* Nav */
nav { display: flex; align-items: center; justify-content: space-between; padding: 0.75rem 1.5rem; background: var(--surface); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 50; }
nav h1 { font-size: 16px; font-weight: 600; font-family: Georgia, serif; }
.nav-right { display: flex; align-items: center; gap: 8px; position: relative; }
.user-btn { display: flex; align-items: center; gap: 6px; padding: 6px 12px; border: 1px solid var(--border-strong); border-radius: var(--radius); background: var(--surface); cursor: pointer; font-size: 13px; }
.user-btn:hover { background: var(--bg); }
.chevron-down { font-size: 10px; color: var(--text-muted); }
.user-menu { display: none; position: absolute; top: calc(100% + 6px); right: 0; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: 0 8px 24px rgba(0,0,0,0.1); min-width: 180px; z-index: 200; }
.user-menu.open { display: block; }
.menu-item { display: block; width: 100%; text-align: left; padding: 10px 14px; font-size: 13px; background: none; border: none; cursor: pointer; color: var(--text); text-decoration: none; }
.menu-item:hover { background: var(--bg); }
.menu-item.danger { color: var(--red); }
.menu-divider { border: none; border-top: 1px solid var(--border); margin: 4px 0; }
.admin-badge { font-size: 10px; background: #e8d5ff; color: #5a2d82; border-radius: 4px; padding: 1px 5px; font-weight: 600; margin-left: 4px; }

/* App layout */
.app { max-width: 1100px; margin: 0 auto; padding: 1.5rem; }
#upload-section { margin-bottom: 1.5rem; }

/* Upload */
.upload-zone { border: 2px dashed var(--border-strong); border-radius: var(--radius-lg); padding: 2.5rem; text-align: center; cursor: pointer; transition: all 0.15s; background: var(--surface); }
.upload-zone:hover, .upload-zone.dragover { border-color: var(--accent); background: var(--info-bg); }
.upload-icon { font-size: 32px; margin-bottom: 10px; }
.upload-label { font-size: 15px; font-weight: 600; margin-bottom: 6px; }
.upload-hint { font-size: 12px; color: var(--text-muted); }

/* Mapper */
.mapper-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 1.25rem; margin-top: 1rem; }
.mapper-card h3 { font-size: 14px; font-weight: 600; margin-bottom: 12px; }
.mapper-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin-bottom: 14px; }
.field-group label { display: block; font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 4px; }
.field-group select { width: 100%; padding: 7px 10px; border: 1px solid var(--border-strong); border-radius: var(--radius); font-size: 13px; background: var(--surface); color: var(--text); }
.mode-toggle { display: flex; border: 1px solid var(--border-strong); border-radius: var(--radius); overflow: hidden; margin-bottom: 12px; }
.mode-btn { flex: 1; padding: 8px; font-size: 13px; background: var(--surface); color: var(--text-muted); border: none; cursor: pointer; }
.mode-btn.active { background: var(--accent); color: #fff; }

/* Stats */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 10px; margin-bottom: 1.25rem; }
.stat-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 13px 15px; }
.stat-label { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 3px; }
.stat-value { font-size: 22px; font-weight: 600; letter-spacing: -0.5px; }
.stat-value.neg { color: var(--red); } .stat-value.pos { color: var(--green); }
.progress-wrap { margin-bottom: 1.25rem; }
.progress-bar { height: 5px; background: var(--border); border-radius: 3px; overflow: hidden; margin-bottom: 5px; }
.progress-fill { height: 100%; background: var(--accent); border-radius: 3px; transition: width 0.3s; }
.progress-label { font-size: 12px; color: var(--text-muted); }

/* Controls */
.controls { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 1rem; align-items: center; }
.controls input, .controls select { padding: 7px 10px; border: 1px solid var(--border-strong); border-radius: var(--radius); font-size: 13px; background: var(--surface); color: var(--text); }
.controls input { flex: 1; min-width: 150px; }
.controls input:focus, .controls select:focus { outline: none; border-color: var(--accent); }

/* Table */
.table-wrap { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; }
table { width: 100%; border-collapse: collapse; }
th { font-size: 11px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; padding: 10px 13px; text-align: left; border-bottom: 1px solid var(--border); background: var(--bg); }
td { padding: 9px 13px; border-bottom: 1px solid var(--border); vertical-align: middle; font-size: 13px; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: #fafaf8; }
.col-date { width: 100px; color: var(--text-muted); }
.col-desc { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 240px; }
.col-amount { width: 110px; text-align: right; font-variant-numeric: tabular-nums; font-weight: 500; }
.col-cat { width: 155px; } .col-sub { width: 155px; }
.neg { color: var(--red); } .pos { color: var(--green); }
select.inline-sel { width: 100%; padding: 5px 7px; border: 1px solid var(--border); border-radius: 6px; font-size: 12px; background: var(--surface); color: var(--text); cursor: pointer; }
select.inline-sel:disabled { opacity: 0.4; cursor: default; }
.pagination { display: flex; align-items: center; justify-content: space-between; padding: 11px 13px; border-top: 1px solid var(--border); font-size: 12px; color: var(--text-muted); }

/* Panel */
.overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.2); z-index: 99; }
.panel { position: fixed; top: 0; right: 0; height: 100%; width: 360px; background: var(--surface); border-left: 1px solid var(--border); padding: 1.5rem; overflow-y: auto; z-index: 100; transform: translateX(100%); transition: transform 0.2s; box-shadow: -4px 0 20px rgba(0,0,0,0.07); }
.panel.open { transform: none; }
.panel-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.25rem; }
.panel h2 { font-size: 16px; font-weight: 600; }
.cat-item { padding: 10px 12px; border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 6px; }
.cat-item-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 8px; }
.cat-item-name { font-size: 13px; font-weight: 600; }
.cat-item-subs { font-size: 11px; color: var(--text-muted); margin-top: 2px; }
.cat-actions { display: flex; gap: 4px; flex-shrink: 0; }
.badge { display: inline-block; padding: 1px 7px; border-radius: 20px; font-size: 11px; font-weight: 600; }
.badge-public { background: var(--info-bg); color: var(--info); }
.badge-private { background: var(--bg); color: var(--text-muted); border: 1px solid var(--border); }
.badge-green { background: var(--green-bg); color: var(--green); }
.badge-red { background: var(--red-bg); color: var(--red); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }
.empty { text-align: center; padding: 3rem; color: var(--text-muted); }

/* Validate */
.vr-summary { display: grid; grid-template-columns: repeat(auto-fit, minmax(100px, 1fr)); gap: 8px; margin-bottom: 1rem; }
.vr-card { padding: 11px 13px; border-radius: var(--radius); border: 1px solid var(--border); }
.vr-card.new { border-color: #a8d5b8; background: var(--green-bg); }
.vr-card.dup { border-color: #f0c0bb; background: var(--red-bg); }
.vr-card.warn { border-color: #e5d080; background: var(--warning-bg); }
.vr-label { font-size: 10px; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 3px; color: var(--text-muted); }
.vr-card.new .vr-label { color: var(--green); } .vr-card.dup .vr-label { color: var(--red); } .vr-card.warn .vr-label { color: var(--warning); }
.vr-value { font-size: 22px; font-weight: 600; letter-spacing: -0.5px; }
.vr-card.new .vr-value { color: var(--green); } .vr-card.dup .vr-value { color: var(--red); } .vr-card.warn .vr-value { color: var(--warning); }
.preview-table-wrap { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; margin-bottom: 1rem; }
.preview-table-wrap table { width: 100%; border-collapse: collapse; font-size: 12px; }
.preview-table-wrap th { background: var(--bg); padding: 6px 10px; font-size: 10px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-muted); border-bottom: 1px solid var(--border); font-weight: 600; text-align: left; }
.preview-table-wrap td { padding: 7px 10px; border-bottom: 1px solid var(--border); }
.preview-table-wrap tr:last-child td { border-bottom: none; }
.row-new { background: #f8fdf9; } .row-dup { background: #fff8f7; } .row-warn { background: #fffdf0; }
.collapsible-header { display: flex; align-items: center; justify-content: space-between; cursor: pointer; padding: 8px 0; font-size: 12px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.4px; }
.collapsible-body { display: none; } .collapsible-body.open { display: block; }
.toast { position: fixed; bottom: 1.5rem; left: 50%; transform: translateX(-50%); background: var(--accent); color: #fff; padding: 10px 20px; border-radius: var(--radius); font-size: 13px; opacity: 0; transition: opacity 0.2s; pointer-events: none; z-index: 300; white-space: nowrap; }
.toast.show { opacity: 1; }