:root {
    --bg-primary: #0f0f1a;
    --bg-secondary: #1a1a2e;
    --bg-card: #16213e;
    --bg-hover: #1f2b47;
    --bg-input: #0f172a;
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent: #6366f1;
    --accent-hover: #818cf8;
    --accent-glow: rgba(99, 102, 241, 0.3);
    --green: #22c55e;
    --green-bg: rgba(34, 197, 94, 0.1);
    --red: #ef4444;
    --red-bg: rgba(239, 68, 68, 0.1);
    --yellow: #f59e0b;
    --yellow-bg: rgba(245, 158, 11, 0.1);
    --border: #1e293b;
    --border-hover: #334155;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.4);
    --transition: all 0.2s ease;
}

* { margin:0; padding:0; box-sizing:border-box; }
body { font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif; background:var(--bg-primary); color:var(--text-primary); line-height:1.6; min-height:100vh; }
.container { max-width:1200px; margin:0 auto; padding:2rem 1.5rem; }
header { text-align:center; margin-bottom:2.5rem; }
header h1 { font-size:2.2rem; font-weight:700; background:linear-gradient(135deg,var(--accent),#a78bfa); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; margin-bottom:0.5rem; }
.subtitle { color:var(--text-secondary); font-size:1.1rem; }
.header-row { display:flex; align-items:center; justify-content:space-between; gap:1rem; }
.btn-back { color:var(--text-secondary); text-decoration:none; padding:0.5rem 1rem; border:1px solid var(--border); border-radius:var(--radius-sm); transition:var(--transition); font-size:0.9rem; white-space:nowrap; }
.btn-back:hover { color:var(--text-primary); border-color:var(--accent); background:var(--accent-glow); }

.stats-bar { display:flex; gap:1rem; margin-top:1.5rem; flex-wrap:wrap; justify-content:center; }
.stat { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius-sm); padding:0.75rem 1.25rem; text-align:center; min-width:130px; }
.stat-label { display:block; font-size:0.75rem; color:var(--text-muted); text-transform:uppercase; letter-spacing:0.5px; margin-bottom:0.25rem; }
.stat-value { display:block; font-size:1.1rem; font-weight:600; color:var(--text-primary); }
.stat-green .stat-value { color:var(--green); }
.stat-red .stat-value { color:var(--red); }
.mode-switch { display:flex; gap:1rem; justify-content:center; margin-bottom:2rem; }
.mode-label { cursor:pointer; }
.mode-label input { display:none; }
.mode-btn { display:inline-block; padding:0.75rem 2rem; border:2px solid var(--border); border-radius:var(--radius); font-size:1rem; color:var(--text-secondary); transition:var(--transition); background:var(--bg-card); }
.mode-label input:checked + .mode-btn { border-color:var(--accent); color:var(--text-primary); background:var(--accent-glow); box-shadow:0 0 20px var(--accent-glow); }
.mode-btn:hover { border-color:var(--border-hover); color:var(--text-primary); }

.drop-zone { border:2px dashed var(--border); border-radius:var(--radius); padding:3rem 2rem; text-align:center; cursor:pointer; transition:var(--transition); background:var(--bg-secondary); margin-bottom:1.5rem; }
.drop-zone:hover, .drop-zone.dragover { border-color:var(--accent); background:var(--accent-glow); box-shadow:0 0 30px var(--accent-glow); }
.drop-icon { font-size:3rem; margin-bottom:1rem; }
.drop-text { font-size:1.1rem; color:var(--text-primary); margin-bottom:0.5rem; }
.drop-subtext { font-size:0.9rem; color:var(--text-muted); }
.file-info { display:flex; align-items:center; gap:1rem; padding:1rem; background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius-sm); margin-bottom:1.5rem; }
.file-name { font-weight:600; flex:1; }
.file-size { color:var(--text-muted); font-size:0.9rem; }
.btn-remove { background:none; border:none; color:var(--red); font-size:1.5rem; cursor:pointer; padding:0.25rem 0.5rem; border-radius:4px; transition:var(--transition); }
.btn-remove:hover { background:var(--red-bg); }
.btn-analyze { width:100%; padding:1rem; font-size:1.1rem; font-weight:600; background:linear-gradient(135deg,var(--accent),#7c3aed); color:white; border:none; border-radius:var(--radius); cursor:pointer; transition:var(--transition); }
.btn-analyze:hover:not(:disabled) { transform:translateY(-1px); box-shadow:0 4px 20px var(--accent-glow); }
.btn-analyze:disabled { opacity:0.5; cursor:not-allowed; }

.progress-container { margin-top:1.5rem; }
.progress-bar { width:100%; height:6px; background:var(--bg-secondary); border-radius:3px; overflow:hidden; }
.progress-fill { height:100%; width:0%; background:linear-gradient(90deg,var(--accent),#a78bfa); border-radius:3px; transition:width 0.3s ease; animation:pulse 1.5s infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.7} }
.progress-text { text-align:center; color:var(--text-secondary); margin-top:0.75rem; font-size:0.9rem; }
.error-message { margin-top:1.5rem; padding:1rem; background:var(--red-bg); border:1px solid rgba(239,68,68,0.3); border-radius:var(--radius-sm); display:flex; align-items:center; gap:0.75rem; }
.error-text { color:var(--red); }
.info-section { margin-top:3rem; }
.info-section h2 { font-size:1.3rem; margin-bottom:1.25rem; color:var(--text-primary); }
.format-cards { display:grid; grid-template-columns:repeat(auto-fit,minmax(250px,1fr)); gap:1.5rem; }
.format-card { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius); padding:1.5rem; transition:var(--transition); }
.format-card:hover { border-color:var(--border-hover); transform:translateY(-2px); box-shadow:var(--shadow-lg); }
.format-icon { font-size:2rem; margin-bottom:0.75rem; }
.format-card h3 { margin-bottom:0.5rem; color:var(--text-primary); }
.format-card p { color:var(--text-secondary); font-size:0.9rem; }
.feature-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(180px,1fr)); gap:0.75rem; }
.feature { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius-sm); padding:0.75rem 1rem; font-size:0.95rem; transition:var(--transition); }
.feature:hover { border-color:var(--accent); background:var(--accent-glow); }

.charts-grid { display:grid; grid-template-columns:1fr 1fr; gap:1.5rem; margin-bottom:2rem; }
.chart-card { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius); padding:1.5rem; }
.chart-card h2 { font-size:1rem; color:var(--text-secondary); margin-bottom:1rem; font-weight:500; }
.chart-wide { grid-column:1 / -1; }
.warnings-section { margin-bottom:2rem; }
.warnings-section h2 { margin-bottom:1rem; }
.warnings-list { display:flex; flex-direction:column; gap:0.5rem; }
.warning-item { padding:0.75rem 1rem; border-radius:var(--radius-sm); font-size:0.9rem; display:flex; align-items:center; gap:0.75rem; }
.warning-item.warnung { background:var(--yellow-bg); border:1px solid rgba(245,158,11,0.3); color:var(--yellow); }
.warning-item.kritisch { background:var(--red-bg); border:1px solid rgba(239,68,68,0.3); color:var(--red); }
.table-section { margin-bottom:2rem; }
.table-section h2 { font-size:1.2rem; margin-bottom:1rem; }
.table-controls { display:flex; gap:1rem; margin-bottom:1rem; flex-wrap:wrap; }
.search-input, .filter-select { background:var(--bg-input); border:1px solid var(--border); border-radius:var(--radius-sm); padding:0.6rem 1rem; color:var(--text-primary); font-size:0.9rem; transition:var(--transition); }
.search-input { flex:1; min-width:200px; }
.search-input:focus, .filter-select:focus { outline:none; border-color:var(--accent); box-shadow:0 0 0 3px var(--accent-glow); }
.table-wrapper { overflow-x:auto; border-radius:var(--radius); border:1px solid var(--border); }
table { width:100%; border-collapse:collapse; font-size:0.9rem; }
thead { background:var(--bg-secondary); }
th { padding:0.75rem 1rem; text-align:left; font-weight:600; color:var(--text-secondary); font-size:0.8rem; text-transform:uppercase; letter-spacing:0.5px; white-space:nowrap; }
td { padding:0.6rem 1rem; border-top:1px solid var(--border); color:var(--text-primary); }
tr:hover td { background:var(--bg-hover); }
.text-right { text-align:right; }
.amount-positive { color:var(--green); font-weight:600; }
.amount-negative { color:var(--red); font-weight:600; }
.badge { display:inline-block; padding:0.2rem 0.6rem; border-radius:9999px; font-size:0.75rem; font-weight:500; background:var(--accent-glow); color:var(--accent-hover); }

.table-pagination { display:flex; justify-content:center; gap:0.5rem; margin-top:1rem; }
.page-btn { padding:0.4rem 0.8rem; background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius-sm); color:var(--text-secondary); cursor:pointer; font-size:0.85rem; transition:var(--transition); }
.page-btn:hover, .page-btn.active { border-color:var(--accent); color:var(--text-primary); background:var(--accent-glow); }
footer { text-align:center; padding:2rem 0 1rem; color:var(--text-muted); font-size:0.85rem; }
@media (max-width:768px) {
    .container{padding:1rem} header h1{font-size:1.6rem} .stats-bar{gap:0.5rem} .stat{min-width:100px;padding:0.5rem 0.75rem} .stat-value{font-size:0.95rem} .charts-grid{grid-template-columns:1fr} .chart-wide{grid-column:1} .mode-switch{flex-direction:column;align-items:center} .mode-btn{width:100%;text-align:center} .header-row{flex-direction:column;text-align:center} .table-controls{flex-direction:column}
}
@media (max-width:480px) {
    .drop-zone{padding:2rem 1rem} .drop-icon{font-size:2rem} .stat{min-width:80px}
}

/* Smart Advisor */
.smart-advisor-section { margin-bottom:2rem; }
.btn-advisor {
    padding:0.6rem 1.5rem;
    font-size:0.95rem;
    font-weight:600;
    background:linear-gradient(135deg, #00d4aa, #00b894);
    color:#0f1923;
    border:none;
    border-radius:var(--radius-sm);
    cursor:pointer;
    transition:var(--transition);
}
.btn-advisor:hover {
    transform:translateY(-1px);
    box-shadow:0 4px 20px rgba(0,212,170,0.3);
}
.btn-advisor:disabled {
    opacity:0.5;
    cursor:not-allowed;
    transform:none;
}
.advisor-summary {
    display:flex;
    gap:1rem;
    margin-bottom:1.5rem;
    flex-wrap:wrap;
}
.advisor-stat {
    background:#1a2535;
    border:1px solid rgba(0,212,170,0.2);
    border-radius:var(--radius-sm);
    padding:0.75rem 1.25rem;
    text-align:center;
    min-width:150px;
}
.advisor-stat .stat-label {
    display:block;
    font-size:0.75rem;
    color:#94a3b8;
    text-transform:uppercase;
    letter-spacing:0.5px;
    margin-bottom:0.25rem;
}
.advisor-stat .stat-value {
    display:block;
    font-size:1.1rem;
    font-weight:600;
    color:#00d4aa;
}
.advisor-list {
    display:flex;
    flex-direction:column;
    gap:0.75rem;
}
.advisor-card {
    background:#1a2535;
    border:1px solid #2a3545;
    border-radius:var(--radius-sm);
    padding:1rem 1.25rem;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:1rem;
    transition:var(--transition);
}
.advisor-card:hover {
    border-color:rgba(0,212,170,0.3);
    background:#1f2b3d;
}
.advisor-card-left {
    flex:1;
}
.advisor-card-name {
    font-weight:600;
    color:#e0e6ed;
    font-size:1rem;
    margin-bottom:0.25rem;
}
.advisor-card-detail {
    font-size:0.85rem;
    color:#94a3b8;
}
.advisor-card-right {
    text-align:right;
    white-space:nowrap;
}
.advisor-card-cost {
    font-size:1.2rem;
    font-weight:700;
    color:#00d4aa;
}
.advisor-card-total {
    font-size:0.8rem;
    color:#64748b;
}
.advisor-warning {
    border-color:rgba(245,158,11,0.4) !important;
}
.advisor-warning .advisor-card-name::before {
    content:"⚠️ ";
}

/* === Search Count === */
.search-count {
    color: var(--text-muted);
    font-size: 0.85rem;
    white-space: nowrap;
    padding: 0.6rem 0;
    min-width: 120px;
    text-align: right;
}

/* === Transaction Notes === */
.note-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    opacity: 0.4;
    transition: var(--transition);
}
.note-btn:hover {
    opacity: 1;
    background: rgba(0, 212, 170, 0.15);
}
.note-btn.has-note {
    opacity: 0.9;
}
tr.has-note-row {
    border-left: 3px solid #00d4aa;
}
.note-display {
    display: block;
    font-size: 0.75rem;
    color: #64748b;
    font-style: italic;
    margin-top: 0.2rem;
    max-width: 250px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.note-inline {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: 0.3rem;
}
.note-input {
    background: #1a2535;
    border: 1px solid #2a3545;
    border-radius: 6px;
    padding: 0.3rem 0.5rem;
    color: #e0e6ed;
    font-size: 0.8rem;
    width: 220px;
    transition: var(--transition);
}
.note-input:focus {
    outline: none;
    border-color: #00d4aa;
    box-shadow: 0 0 0 2px rgba(0, 212, 170, 0.2);
}
.note-save-indicator {
    font-size: 0.7rem;
    color: #00d4aa;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.note-save-indicator.show {
    opacity: 1;
}

/* === Period Filter === */
.period-filter-section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem 1.5rem;
    margin-bottom: 2rem;
    margin-top: 1.5rem;
}
.period-filter-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}
.period-filter-header h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}
.period-label {
    font-size: 0.9rem;
    color: #00d4aa;
    font-weight: 600;
    padding: 0.3rem 0.8rem;
    background: rgba(0, 212, 170, 0.1);
    border: 1px solid rgba(0, 212, 170, 0.3);
    border-radius: var(--radius-sm);
}
.period-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 0.75rem;
}
.period-btn {
    padding: 0.4rem 0.9rem;
    font-size: 0.85rem;
    font-weight: 500;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}
.period-btn:hover {
    border-color: var(--border-hover);
    color: var(--text-primary);
    background: var(--bg-hover);
}
.period-btn.active {
    background: rgba(0, 212, 170, 0.15);
    border-color: #00d4aa;
    color: #00d4aa;
    font-weight: 600;
}
.period-btn-apply {
    background: rgba(0, 212, 170, 0.1);
    border-color: rgba(0, 212, 170, 0.4);
    color: #00d4aa;
}
.period-btn-apply:hover {
    background: rgba(0, 212, 170, 0.2);
    border-color: #00d4aa;
}
.period-btn-reset {
    color: var(--text-muted);
}
.period-custom {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}
.period-custom label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.date-picker {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.4rem 0.6rem;
    color: var(--text-primary);
    font-size: 0.85rem;
    transition: var(--transition);
}
.date-picker:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}
/* Fix date picker icon color in dark mode */
.date-picker::-webkit-calendar-picker-indicator {
    filter: invert(0.7);
    cursor: pointer;
}

@media (max-width: 768px) {
    .period-buttons { gap: 0.35rem; }
    .period-btn { padding: 0.35rem 0.6rem; font-size: 0.8rem; }
    .period-custom { flex-direction: column; align-items: flex-start; }
}