:root {
    --bg-primary: #0f0f0f;
    --bg-secondary: #1a1a1a;
    --bg-card: #242424;
    --bg-card-hover: #2a2a2a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;
    --border-color: #333333;
    --accent-cheese: #f59e0b;
    --accent-pork: #ec4899;
    --accent-tomato: #ef4444;
    --accent-sausage: #a855f7;
    --accent-blue: #3b82f6;
    --accent-green: #10b981;
    --status-good: #10b981;
    --status-warning: #f59e0b;
    --status-alert: #ef4444;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --shadow: 0 4px 24px rgba(0,0,0,0.4);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

.header {
    background: linear-gradient(135deg, #1a1a1a 0%, #0f0f0f 100%);
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}
.header-content {
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo { display: flex; align-items: center; gap: 0.75rem; }
.logo-icon {
    width: 40px; height: 40px;
    background: linear-gradient(135deg, var(--accent-tomato), var(--accent-cheese));
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.25rem;
}
.logo h1 {
    font-size: 1.5rem; font-weight: 700;
    background: linear-gradient(135deg, #fff, #ccc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.header-controls { display: flex; gap: 1rem; align-items: center; }

.nav { display: flex; gap: 0.25rem; }
.nav a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.5rem 0.875rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s;
}
.nav a:hover { color: var(--text-primary); background: var(--bg-card); }
.nav a.active { color: var(--accent-blue); background: rgba(59, 130, 246, 0.1); }

select, button, input, textarea { font-family: inherit; font-size: 0.875rem; }
select {
    padding: 0.625rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s;
}
select:hover { border-color: var(--accent-blue); }

.btn {
    padding: 0.625rem 1.25rem;
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: inherit;
}
.btn-primary { background: var(--accent-blue); color: white; }
.btn-primary:hover { background: #2563eb; transform: translateY(-1px); }
.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}
.btn-secondary:hover { background: var(--bg-card-hover); border-color: var(--accent-blue); }
.btn-success { background: var(--accent-green); color: white; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.container { max-width: 1600px; margin: 0 auto; padding: 2rem; }

.section-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.section-title::before {
    content: '';
    width: 4px; height: 24px;
    background: var(--accent-blue);
    border-radius: 2px;
}

.summary-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1rem;
    margin-bottom: 2.5rem;
}
.card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    border: 1px solid var(--border-color);
    transition: all 0.2s;
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.75rem;
}
.card h3 {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.card-indicator { width: 8px; height: 8px; border-radius: 50%; }
.card.cheese .card-indicator { background: var(--accent-cheese); }
.card.pork .card-indicator { background: var(--accent-pork); }
.card.beef .card-indicator { background: #dc2626; }
.card.wheat .card-indicator { background: #ca8a04; }
.card.tomato .card-indicator { background: var(--accent-tomato); }
.card.sausage .card-indicator { background: var(--accent-sausage); }
.card .price { font-size: 2rem; font-weight: 700; margin-bottom: 0.25rem; }
.card.cheese .price { color: var(--accent-cheese); }
.card.pork .price { color: var(--accent-pork); }
.card.beef .price { color: #dc2626; }
.card.wheat .price { color: #ca8a04; }
.card.tomato .price { color: var(--accent-tomato); }
.card.sausage .price { color: var(--accent-sausage); }
.card .unit { font-size: 0.875rem; color: var(--text-secondary); }
.card .date { font-size: 0.75rem; color: var(--text-muted); margin-top: 0.5rem; }
.card .source {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-color);
}
.card .source a { color: var(--accent-blue); text-decoration: none; }
.card .source a:hover { text-decoration: underline; }

.charts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}
.chart-card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    border: 1px solid var(--border-color);
}
.chart-card h2 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}
.chart-wrapper { position: relative; height: 280px; }

.comparison-section, .alerts-section, .input-section {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    margin-bottom: 2.5rem;
    border: 1px solid var(--border-color);
}
.comparison-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}
.comparison-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    padding: 1rem;
}
.comparison-card h4 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}
.comparison-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}
.comparison-row:last-child { border-bottom: none; }
.comparison-label { font-size: 0.75rem; color: var(--text-secondary); }
.comparison-value { font-weight: 600; font-size: 0.875rem; }
.comparison-value.good { color: var(--status-good); }
.comparison-value.warning { color: var(--status-warning); }
.comparison-value.alert { color: var(--status-alert); }

.input-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.input-group { display: flex; flex-direction: column; gap: 0.5rem; }
.input-group label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.input-group input, .input-group select {
    padding: 0.75rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.875rem;
}
.input-group input:focus, .input-group select:focus {
    outline: none;
    border-color: var(--accent-blue);
}

.data-table-container {
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    overflow: hidden;
    max-height: 400px;
    overflow-y: auto;
}
.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    font-size: 0.875rem;
}
.data-table th {
    background: var(--bg-card);
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 0.5px;
    position: sticky;
    top: 0;
}
.data-table tr { border-bottom: 1px solid var(--border-color); }
.data-table tr:hover { background: var(--bg-card); }
.data-table .delete-btn {
    color: var(--accent-tomato);
    background: none;
    border: none;
    cursor: pointer;
    opacity: 0.6;
    transition: opacity 0.2s;
}
.data-table .delete-btn:hover { opacity: 1; }

.alert-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    margin-bottom: 0.75rem;
    border-left: 3px solid var(--status-warning);
}
.alert-item.critical { border-left-color: var(--status-alert); }
.alert-item.info { border-left-color: var(--accent-blue); }
.alert-icon {
    width: 32px; height: 32px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}
.alert-item.warning .alert-icon {
    background: rgba(245, 158, 11, 0.2);
    color: var(--status-warning);
}
.alert-item.critical .alert-icon {
    background: rgba(239, 68, 68, 0.2);
    color: var(--status-alert);
}
.alert-content { flex: 1; }
.alert-message { font-size: 0.875rem; margin-bottom: 0.25rem; }
.alert-meta { font-size: 0.75rem; color: var(--text-muted); }
.alert-dismiss {
    background: none; border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1.25rem;
    line-height: 1;
}
.alert-dismiss:hover { color: var(--text-primary); }
.no-alerts { text-align: center; padding: 2rem; color: var(--text-muted); }

.footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
    font-size: 0.75rem;
    border-top: 1px solid var(--border-color);
}
.footer a { color: var(--accent-blue); text-decoration: none; }

.loading { text-align: center; padding: 3rem; color: var(--text-muted); }
.spinner {
    width: 32px; height: 32px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}
@keyframes spin { to { transform: rotate(360deg); } }

.modal {
    position: fixed; top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 1000;
    display: flex; align-items: center; justify-content: center;
}
.modal-backdrop {
    position: absolute; top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.7);
}
.modal-content {
    position: relative;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    width: 90%; max-width: 600px; max-height: 90vh;
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
}
.modal-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}
.modal-header h3 { font-size: 1.25rem; font-weight: 600; }
.modal-close {
    background: none; border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
}
.modal-close:hover { color: var(--text-primary); }
.modal-body {
    padding: 1.5rem;
    max-height: calc(90vh - 70px);
    overflow-y: auto;
}
.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: 2rem;
    text-align: center;
    transition: all 0.2s;
}
.upload-area.dragover {
    border-color: var(--accent-green);
    background: rgba(16, 185, 129, 0.1);
}
.upload-icon { font-size: 3rem; margin-bottom: 1rem; }
.file-item {
    display: flex; align-items: center; justify-content: space-between;
    padding: 0.5rem 0.75rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}
.file-item button {
    background: none; border: none;
    color: var(--accent-tomato);
    cursor: pointer;
}

/* Auth pages */
.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}
.auth-card {
    width: 100%;
    max-width: 420px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow);
}
.auth-card h1 { font-size: 1.5rem; font-weight: 700; margin-bottom: 0.5rem; }
.auth-card p.sub { color: var(--text-secondary); margin-bottom: 1.5rem; font-size: 0.875rem; }
.auth-card form { display: flex; flex-direction: column; gap: 1rem; }
.auth-card .btn { justify-content: center; padding: 0.75rem 1.25rem; }
.auth-footer {
    margin-top: 1.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-align: center;
}
.auth-footer a { color: var(--accent-blue); text-decoration: none; }
.auth-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--status-alert);
    color: var(--status-alert);
    padding: 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    margin-bottom: 1rem;
    display: none;
}
.auth-error.visible { display: block; }

/* Inbox-specific */
.status-pill {
    display: inline-block;
    padding: 0.125rem 0.5rem;
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.status-received { background: rgba(59, 130, 246, 0.15); color: var(--accent-blue); }
.status-processing { background: rgba(245, 158, 11, 0.15); color: var(--status-warning); }
.status-extracted { background: rgba(168, 85, 247, 0.15); color: var(--accent-sausage); }
.status-saved { background: rgba(16, 185, 129, 0.15); color: var(--accent-green); }
.status-failed { background: rgba(239, 68, 68, 0.15); color: var(--status-alert); }

.alias-box {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.9375rem;
}
.alias-box code { flex: 1; }

@media (max-width: 1024px) {
    .charts-grid { grid-template-columns: 1fr; }
    .comparison-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .header-content { flex-direction: column; gap: 1rem; }
    .container { padding: 1rem; }
}

#previewTable input[type="checkbox"] { width: 18px; height: 18px; cursor: pointer; }
#previewTable input[type="text"],
#previewTable input[type="number"] {
    width: 100%;
    padding: 0.25rem 0.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 0.8125rem;
}