/* ============================================
   SAP B1 Reporting Dashboard — Core Styles
   DADA Shoe Manufacturing
   ============================================ */

:root {
    --primary: #1a365d;
    --primary-light: #2b6cb0;
    --primary-bg: #ebf4ff;
    --accent: #2b6cb0;
    --success: #276749;
    --success-bg: #f0fff4;
    --danger: #c53030;
    --danger-bg: #fff5f5;
    --warning: #dd6b20;
    --warning-bg: #fffff0;
    --gray-50: #f7fafc;
    --gray-100: #edf2f7;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e0;
    --gray-400: #a0aec0;
    --gray-500: #718096;
    --gray-600: #4a5568;
    --gray-700: #2d3748;
    --gray-800: #1a202c;
    --sidebar-w: 230px;
    --topbar-h: 56px;
    --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-mono: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
    --radius: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: var(--font-sans); color: var(--gray-700); background: var(--gray-50); line-height: 1.6; font-size: 14px; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- Layout ---- */
.app-container { display: flex; min-height: 100vh; }
.main-area { flex: 1; margin-left: var(--sidebar-w); display: flex; flex-direction: column; }
.content-area { padding: 20px 24px; flex: 1; }
.bg-gray-50 { background: var(--gray-50); }

/* ---- Sidebar ---- */
.sidebar {
    position: fixed; top: 0; left: 0; bottom: 0;
    width: var(--sidebar-w); background: var(--gray-800);
    color: var(--gray-400); overflow-y: auto; z-index: 100;
    display: flex; flex-direction: column;
}
.sidebar-brand {
    padding: 20px 20px 16px; border-bottom: 1px solid rgba(255,255,255,0.08);
}
.brand-logo, .brand-logo-lg {
    font-size: 24px; font-weight: 800; color: #fff; letter-spacing: 2px;
}
.brand-logo-lg { font-size: 36px; text-align: center; }
.brand-sub { font-size: 11px; color: var(--gray-500); margin-top: 2px; }
.sidebar-nav { flex: 1; padding: 12px 0; }
.sidebar-section { margin-bottom: 8px; }
.sidebar-heading {
    padding: 8px 20px 4px; font-size: 10px; font-weight: 700;
    text-transform: uppercase; letter-spacing: 1px; color: var(--gray-500);
}
.sidebar-link {
    display: flex; align-items: center; gap: 10px;
    padding: 8px 20px; color: var(--gray-400);
    font-size: 13px; transition: all 0.15s; text-decoration: none;
    border-left: 3px solid transparent;
}
.sidebar-link:hover { background: rgba(255,255,255,0.05); color: #fff; text-decoration: none; }
.sidebar-link.active {
    background: rgba(43,108,176,0.2); color: #fff;
    border-left-color: var(--accent);
}
.sidebar-icon { font-size: 16px; width: 20px; text-align: center; }
.sidebar-footer { padding: 12px 20px; border-top: 1px solid rgba(255,255,255,0.08); }
.sidebar-version { font-size: 11px; color: var(--gray-500); }

/* ---- Topbar ---- */
.topbar {
    height: var(--topbar-h); background: var(--primary); color: #fff;
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 20px; position: sticky; top: 0; z-index: 50;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
.topbar-left { display: flex; align-items: center; gap: 12px; }
.topbar-company { font-weight: 700; font-size: 15px; }
.sidebar-toggle {
    background: none; border: none; color: #fff; font-size: 18px;
    cursor: pointer; padding: 4px 8px; border-radius: 4px;
}
.sidebar-toggle:hover { background: rgba(255,255,255,0.15); }
.topbar-filters { display: flex; align-items: center; gap: 12px; }
.filter-group { display: flex; align-items: center; gap: 4px; }
.filter-label { font-size: 10px; text-transform: uppercase; opacity: 0.7; }
.filter-select, .filter-input {
    background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.2);
    color: #fff; padding: 4px 10px; border-radius: 4px; font-size: 12px;
    font-family: var(--font-sans);
}
.filter-select option { background: var(--gray-800); color: #fff; }
.filter-input { width: 130px; }
.filter-input::-webkit-calendar-picker-indicator { filter: invert(1); }
.filter-locked {
    font-size: 12px; background: rgba(255,255,255,0.08); padding: 4px 10px;
    border-radius: 4px; opacity: 0.8;
}
.filter-preset { width: 100px; }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.topbar-user { font-size: 13px; }
.topbar-logout { color: rgba(255,255,255,0.7); font-size: 16px; }
.topbar-logout:hover { color: #fff; text-decoration: none; }

/* ---- Breadcrumbs ---- */
.breadcrumbs { font-size: 12px; color: var(--gray-500); margin-bottom: 8px; }
.breadcrumbs a { color: var(--accent); }
.breadcrumb-sep { margin: 0 6px; }
.breadcrumb-current { color: var(--gray-700); font-weight: 600; }

/* ---- Page Header ---- */
.page-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.page-title { font-size: 22px; font-weight: 700; color: var(--primary); }
.page-actions { display: flex; gap: 8px; }

/* ---- Cards ---- */
.card {
    background: #fff; border: 1px solid var(--gray-200);
    border-radius: var(--radius); padding: 20px;
    box-shadow: var(--shadow); margin-bottom: 16px;
}
.card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.card-title { font-size: 15px; font-weight: 700; color: var(--primary); }

/* ---- KPI Cards ---- */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin-bottom: 20px; }
.kpi-card {
    background: #fff; border: 1px solid var(--gray-200);
    border-radius: var(--radius); padding: 16px;
    border-left: 4px solid var(--accent); box-shadow: var(--shadow);
}
.kpi-card.leather { border-left-color: var(--danger); }
.kpi-card.imported { border-left-color: var(--warning); }
.kpi-card.local { border-left-color: #d69e2e; }
.kpi-card.other { border-left-color: var(--accent); }
.kpi-card.services { border-left-color: var(--success); }
.kpi-label { font-size: 10px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--gray-500); margin-bottom: 4px; }
.kpi-value { font-size: 20px; font-weight: 700; color: var(--primary); }
.kpi-sub { font-size: 11px; color: var(--gray-500); margin-top: 4px; }

/* ---- Data Tables ---- */
.data-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.data-table thead th {
    background: var(--primary); color: #fff;
    padding: 8px 10px; text-align: left; font-weight: 600;
    font-size: 11px; text-transform: uppercase; letter-spacing: 0.3px;
    position: sticky; top: 0; white-space: nowrap;
}
.data-table thead th.right { text-align: right; }
.data-table tbody td { padding: 7px 10px; border-bottom: 1px solid var(--gray-100); }
.data-table tbody td.right { text-align: right; font-family: var(--font-mono); font-size: 11px; }
.data-table tbody td.mono { font-family: var(--font-mono); font-size: 11px; }
.data-table tbody tr { transition: background 0.1s; }
.data-table tbody tr:hover { background: var(--primary-bg); cursor: pointer; }
.data-table tbody tr:nth-child(even) { background: var(--gray-50); }
.data-table tbody tr:nth-child(even):hover { background: var(--primary-bg); }
.data-table tbody tr.subtotal { background: var(--gray-100); font-weight: 700; }
.data-table tbody tr.grand-total { background: var(--primary); color: #fff; font-weight: 700; }
.data-table tbody tr.grand-total td { border-bottom: none; }

/* Category column headers */
.th-leather { background: var(--danger) !important; }
.th-imported { background: var(--warning) !important; }
.th-local { background: #b7791f !important; }
.th-other { background: var(--accent) !important; }
.th-services { background: var(--success) !important; }
.th-total { background: var(--gray-800) !important; }

/* Amounts */
.amt-positive { color: var(--success); }
.amt-negative { color: var(--danger); font-weight: 600; }
.amt-zero { color: var(--gray-400); }

/* ---- Vendor Group in Drill-Down ---- */
.vendor-group {
    background: var(--primary-bg); padding: 10px 14px;
    border-radius: var(--radius) var(--radius) 0 0;
    border-left: 4px solid var(--accent);
    font-weight: 700; font-size: 13px; color: var(--primary);
    cursor: pointer; display: flex; justify-content: space-between;
    align-items: center; margin-top: 12px;
}
.vendor-group:first-child { margin-top: 0; }
.vendor-group:hover { background: #dbeafe; }
.vendor-group .vendor-meta { font-weight: 400; font-size: 12px; color: var(--gray-500); }
.vendor-group .toggle-icon { transition: transform 0.2s; }
.vendor-group.collapsed .toggle-icon { transform: rotate(-90deg); }
.vendor-invoices { border: 1px solid var(--gray-200); border-top: 0; border-radius: 0 0 var(--radius) var(--radius); overflow: hidden; }
.vendor-invoices.hidden { display: none; }

/* ---- Buttons ---- */
.btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 8px 16px; border-radius: 6px; font-size: 13px;
    font-weight: 600; cursor: pointer; border: 1px solid transparent;
    font-family: var(--font-sans); transition: all 0.15s;
}
.btn-sm { padding: 4px 12px; font-size: 12px; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #2160a0; text-decoration: none; }
.btn-outline { background: transparent; border-color: var(--gray-300); color: var(--gray-600); }
.btn-outline:hover { background: var(--gray-100); text-decoration: none; }
.btn-full { width: 100%; justify-content: center; }
.btn-export { background: var(--gray-100); color: var(--gray-600); font-size: 11px; padding: 4px 10px; border-radius: 4px; }
.btn-export:hover { background: var(--gray-200); text-decoration: none; }

/* ---- Alerts ---- */
.alert { padding: 10px 16px; border-radius: var(--radius); font-size: 13px; margin-bottom: 12px; }
.alert-error { background: var(--danger-bg); color: var(--danger); border: 1px solid #feb2b2; }
.alert-success { background: var(--success-bg); color: var(--success); border: 1px solid #9ae6b4; }
.alert-info { background: var(--primary-bg); color: var(--accent); border: 1px solid #90cdf4; }

/* ---- Login Page ---- */
.login-container {
    display: flex; align-items: center; justify-content: center;
    min-height: 100vh; padding: 20px;
}
.login-card {
    background: #fff; border-radius: 12px; padding: 40px;
    box-shadow: var(--shadow-md); width: 100%; max-width: 400px;
}
.login-brand { text-align: center; margin-bottom: 32px; }
.login-form { display: flex; flex-direction: column; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 4px; }
.form-group label { font-size: 12px; font-weight: 600; color: var(--gray-600); }
.form-group input {
    padding: 10px 14px; border: 1px solid var(--gray-300);
    border-radius: 6px; font-size: 14px; font-family: var(--font-sans);
}
.form-group input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(43,108,176,0.15); }
.login-footer { text-align: center; margin-top: 24px; font-size: 11px; color: var(--gray-400); }

/* ---- Loading States ---- */
.loading { text-align: center; padding: 40px; color: var(--gray-400); }
.loading-spinner {
    width: 32px; height: 32px; border: 3px solid var(--gray-200);
    border-top-color: var(--accent); border-radius: 50%;
    animation: spin 0.8s linear infinite; margin: 0 auto 12px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- Tooltip ---- */
.tooltip { position: relative; }
.tooltip::after {
    content: attr(data-tip); position: absolute; bottom: 100%; left: 50%;
    transform: translateX(-50%); background: var(--gray-800); color: #fff;
    padding: 4px 10px; border-radius: 4px; font-size: 11px; white-space: nowrap;
    pointer-events: none; opacity: 0; transition: opacity 0.15s;
}
.tooltip:hover::after { opacity: 1; }

/* ---- Empty / Coming Soon ---- */
.empty-state { text-align: center; padding: 60px 20px; color: var(--gray-400); }
.empty-state .empty-icon { font-size: 48px; margin-bottom: 12px; }
.empty-state .empty-text { font-size: 16px; margin-bottom: 4px; }
.empty-state .empty-sub { font-size: 13px; }

/* ---- Responsive ---- */
@media (max-width: 1024px) {
    .sidebar { transform: translateX(-100%); transition: transform 0.2s; }
    .sidebar.open { transform: translateX(0); }
    .main-area { margin-left: 0; }
    .topbar-filters { display: none; } /* Collapse to filter drawer on tablet */
    .kpi-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ---- Print ---- */
@media print {
    .sidebar, .topbar, .breadcrumbs, .page-actions, .btn-export { display: none; }
    .main-area { margin-left: 0; }
    .content-area { padding: 0; }
    .card { box-shadow: none; border: 1px solid #ccc; break-inside: avoid; }
    .data-table thead th { background: #333 !important; -webkit-print-color-adjust: exact; }
}