/* ============================================================
   Procurra Dashboard — Design System
   Matching landing page tokens
   ============================================================ */

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

:root {
    --bg: #0a0a0f;
    --surface: #12121a;
    --surface-2: #1a1a26;
    --surface-3: #222233;
    --border: #2a2a3a;
    --border-light: #35354a;
    --text: #e8e8f0;
    --text-dim: #8888a0;
    --text-muted: #55556a;
    --accent: #4ade80;
    --accent-dim: #22c55e;
    --accent-glow: rgba(74, 222, 128, 0.15);
    --accent-glow-strong: rgba(74, 222, 128, 0.25);
    --warm: #f59e0b;
    --warm-glow: rgba(245, 158, 11, 0.15);
    --danger: #ef4444;
    --danger-glow: rgba(239, 68, 68, 0.15);
    --info: #3b82f6;
    --info-glow: rgba(59, 130, 246, 0.15);
    --sidebar-width: 240px;
    --header-height: 0px;
}

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

h1, h2, h3, h4 { font-family: 'Space Grotesk', sans-serif; }

/* ---- Sidebar ---- */
.sidebar {
    width: var(--sidebar-width);
    background: var(--surface);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
}

.sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid var(--border);
}

.logo {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.5px;
    text-decoration: none;
}
.logo span { color: var(--accent); }

.sidebar-nav {
    flex: 1;
    padding: 12px 8px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: 10px;
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s;
}
.nav-item:hover {
    color: var(--text);
    background: var(--surface-2);
}
.nav-item.active {
    color: var(--accent);
    background: var(--accent-glow);
}
.nav-item svg { flex-shrink: 0; }

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border);
}

.store-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--text-dim);
}
.store-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    flex-shrink: 0;
}

/* ---- Main Content ---- */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 32px 40px;
    min-height: 100vh;
}

/* ---- Loading ---- */
.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 50vh;
    gap: 16px;
    color: var(--text-dim);
}

.spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ---- Setup State ---- */
.setup-container {
    max-width: 480px;
    margin: 80px auto;
    text-align: center;
}
.setup-icon {
    margin-bottom: 24px;
}
.setup-container h2 {
    font-size: 1.8rem;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}
.setup-container p {
    color: var(--text-dim);
    margin-bottom: 32px;
}
.setup-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
}

/* ---- Page Header ---- */
.page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 32px;
    flex-wrap: wrap;
    gap: 16px;
}
.page-header h1 {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}
.page-subtitle {
    color: var(--text-dim);
    font-size: 0.9rem;
    margin-top: 4px;
}
.page-actions {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    font-family: 'DM Sans', sans-serif;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}
.btn:hover { border-color: var(--border-light); background: var(--surface-2); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
    background: var(--accent);
    color: var(--bg);
    border-color: var(--accent);
}
.btn-primary:hover { background: var(--accent-dim); border-color: var(--accent-dim); }

.btn-secondary {
    border-color: var(--border-light);
}

.btn-sm {
    padding: 7px 14px;
    font-size: 0.82rem;
    border-radius: 8px;
}

.btn-xs {
    padding: 4px 10px;
    font-size: 0.75rem;
    border-radius: 6px;
}

/* ---- KPI Grid ---- */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

.kpi-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 20px 24px;
    transition: border-color 0.3s;
}
.kpi-card:hover { border-color: var(--border-light); }

.kpi-label {
    font-size: 0.78rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
    font-weight: 500;
}
.kpi-value {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.kpi-warn .kpi-value { color: var(--warm); }
.kpi-danger .kpi-value { color: var(--danger); }

/* ---- Charts ---- */
.charts-row {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 16px;
    margin-bottom: 32px;
}

.chart-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 24px;
}
.chart-card h3 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: -0.2px;
}
.chart-container {
    height: 220px;
    position: relative;
}

/* ---- Section Card ---- */
.section-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 24px;
    margin-bottom: 24px;
}
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}
.section-header h3 {
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: -0.2px;
}

/* ---- Urgent Items ---- */
.urgent-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.urgent-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 16px;
    background: var(--surface-2);
    border-radius: 10px;
    border-left: 3px solid transparent;
}
.urgent-item.critical { border-left-color: var(--danger); }
.urgent-item.high { border-left-color: var(--warm); }
.urgent-item.normal { border-left-color: var(--info); }
.urgent-item.low { border-left-color: var(--text-dim); }

.urgent-title { flex: 1; font-weight: 500; font-size: 0.9rem; }
.urgent-sku { color: var(--text-dim); font-size: 0.8rem; width: 80px; }
.urgent-stock {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    width: 80px;
    text-align: right;
}
.urgent-reason {
    color: var(--text-dim);
    font-size: 0.8rem;
    width: 220px;
}
.urgent-badge {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 3px 10px;
    border-radius: 100px;
    width: 70px;
    text-align: center;
}
.urgent-badge.critical { background: var(--danger-glow); color: var(--danger); }
.urgent-badge.high { background: var(--warm-glow); color: var(--warm); }
.urgent-badge.normal { background: var(--info-glow); color: var(--info); }
.urgent-badge.low { background: rgba(136,136,160,0.15); color: var(--text-dim); }

/* ---- Data Table ---- */
.table-container {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}
.data-table th {
    text-align: left;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    color: var(--text-dim);
    font-weight: 500;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}
.data-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}
.data-table tbody tr {
    cursor: pointer;
    transition: background 0.15s;
}
.data-table tbody tr:hover {
    background: var(--surface-2);
}

.stock-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
}
.stock-badge.good { background: var(--accent-glow); color: var(--accent); }
.stock-badge.low { background: var(--warm-glow); color: var(--warm); }
.stock-badge.out { background: var(--danger-glow); color: var(--danger); }

.trend-indicator {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.82rem;
    font-weight: 500;
}
.trend-indicator.up { color: var(--accent); }
.trend-indicator.down { color: var(--danger); }
.trend-indicator.flat { color: var(--text-dim); }

/* ---- Search & Sort ---- */
.search-input {
    padding: 8px 14px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    font-family: 'DM Sans', sans-serif;
    font-size: 0.88rem;
    width: 220px;
    outline: none;
}
.search-input:focus { border-color: var(--accent); }
.search-input::placeholder { color: var(--text-muted); }

.sort-select {
    padding: 8px 14px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    font-family: 'DM Sans', sans-serif;
    font-size: 0.88rem;
    outline: none;
    cursor: pointer;
}

/* ---- Forecasts Grid ---- */
.forecasts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 16px;
}

.forecast-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 20px;
    cursor: pointer;
    transition: border-color 0.2s;
}
.forecast-card:hover { border-color: var(--accent-glow-strong); }

.forecast-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
}
.forecast-title { font-weight: 600; font-size: 0.95rem; }
.forecast-sku { color: var(--text-dim); font-size: 0.78rem; }

.forecast-stats {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 12px;
    margin-top: 12px;
}
.forecast-stat-label {
    font-size: 0.7rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
.forecast-stat-value {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
}

.forecast-bar {
    height: 4px;
    background: var(--surface-3);
    border-radius: 2px;
    margin-top: 14px;
    overflow: hidden;
}
.forecast-bar-fill {
    height: 100%;
    border-radius: 2px;
    background: var(--accent);
    transition: width 0.5s;
}

/* ---- PO List ---- */
.po-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.po-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 24px;
}
.po-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}
.po-number {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    font-size: 1.05rem;
}
.po-vendor {
    color: var(--text-dim);
    font-size: 0.85rem;
    margin-left: 12px;
}
.po-status {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.po-status.draft { background: var(--info-glow); color: var(--info); }
.po-status.approved { background: var(--accent-glow); color: var(--accent); }
.po-status.sent { background: var(--warm-glow); color: var(--warm); }
.po-status.received { background: rgba(136,136,160,0.15); color: var(--text-dim); }
.po-status.cancelled { background: var(--danger-glow); color: var(--danger); }

.po-meta {
    display: flex;
    gap: 24px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}
.po-meta-item {
    font-size: 0.85rem;
}
.po-meta-label {
    color: var(--text-dim);
    margin-right: 6px;
}
.po-meta-value {
    font-weight: 600;
}

.po-items-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.83rem;
    margin-bottom: 16px;
}
.po-items-table th {
    text-align: left;
    padding: 8px 12px;
    border-bottom: 1px solid var(--border);
    color: var(--text-dim);
    font-weight: 500;
    font-size: 0.75rem;
    text-transform: uppercase;
}
.po-items-table td {
    padding: 8px 12px;
    border-bottom: 1px solid var(--border);
}

.po-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}

/* ---- Suggestions Banner ---- */
.suggestions-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: var(--warm-glow);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: 12px;
    margin-bottom: 24px;
}
.suggestions-content {
    font-size: 0.9rem;
    color: var(--warm);
}

/* ---- Settings ---- */
.settings-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}
.settings-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 28px;
}
.settings-card h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}
.settings-card > p {
    color: var(--text-dim);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 16px;
}
.form-group label {
    display: block;
    font-size: 0.82rem;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--text-dim);
}
.form-input {
    width: 100%;
    padding: 10px 14px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--surface-2);
    color: var(--text);
    font-family: 'DM Sans', sans-serif;
    font-size: 0.9rem;
    outline: none;
}
.form-input:focus { border-color: var(--accent); }
.form-input::placeholder { color: var(--text-muted); }

.form-help {
    margin-top: 16px;
    padding: 12px;
    background: var(--surface-2);
    border-radius: 8px;
}
.form-help p {
    font-size: 0.8rem;
    color: var(--text-dim);
    line-height: 1.5;
}

/* ---- Modal ---- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.7);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}
.modal-content {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    max-width: 900px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
}
.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
}
.modal-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
}
.modal-close {
    background: none;
    border: none;
    color: var(--text-dim);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 4px;
}
.modal-close:hover { color: var(--text); }
.modal-body {
    padding: 24px;
}
.modal-charts {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}
.modal-chart h4 {
    font-size: 0.88rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-dim);
}
.modal-chart-area {
    height: 200px;
    position: relative;
}

/* ---- SVG Charts ---- */
.chart-svg {
    width: 100%;
    height: 100%;
}
.chart-line {
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.chart-area {
    opacity: 0.1;
}
.chart-grid-line {
    stroke: var(--border);
    stroke-width: 0.5;
}
.chart-label {
    fill: var(--text-muted);
    font-size: 10px;
    font-family: 'Space Grotesk', sans-serif;
}
.chart-bar {
    rx: 4;
    transition: opacity 0.2s;
}
.chart-bar:hover { opacity: 0.8; }

/* ---- Toast ---- */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    padding: 12px 20px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    font-size: 0.88rem;
    z-index: 300;
    animation: slideUp 0.3s ease;
    max-width: 400px;
}
.toast.success { border-color: var(--accent); color: var(--accent); }
.toast.error { border-color: var(--danger); color: var(--danger); }

@keyframes slideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* ---- Empty State ---- */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-dim);
}
.empty-state p {
    font-size: 0.95rem;
    margin-bottom: 16px;
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
    .charts-row { grid-template-columns: 1fr; }
    .settings-grid { grid-template-columns: 1fr; }
    .modal-charts { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .sidebar {
        width: 60px;
        overflow: hidden;
    }
    .sidebar-header { padding: 20px 14px; }
    .sidebar-nav { padding: 12px 4px; }
    .nav-item span { display: none; }
    .nav-item { justify-content: center; padding: 10px; }
    .sidebar-footer { display: none; }
    .main-content { margin-left: 60px; padding: 20px 16px; }
    .kpi-grid { grid-template-columns: repeat(2, 1fr); }
    .page-header { flex-direction: column; }
    .forecasts-grid { grid-template-columns: 1fr; }
}