/* ==================== CSS VARIABLES ==================== */
:root {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-card: #1e293b;
    --bg-card-hover: #263548;
    --bg-input: #0f172a;
    --border: #334155;
    --border-light: #475569;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --blue: #3b82f6;
    --blue-dark: #2563eb;
    --green: #22c55e;
    --green-dark: #16a34a;
    --red: #ef4444;
    --red-dark: #dc2626;
    --orange: #f97316;
    --purple: #a855f7;
    --teal: #14b8a6;
    --yellow: #eab308;
    --pink: #ec4899;
    --sidebar-width: 240px;
    --header-height: 70px;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.3), 0 2px 4px -2px rgba(0,0,0,0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.4), 0 4px 6px -4px rgba(0,0,0,0.4);
    --transition: all 0.2s ease;
}

/* ==================== RESET ==================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 14px; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    display: flex;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ==================== SIDEBAR ==================== */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 100;
}
.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
}
.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--blue);
}
.logo i { font-size: 1.5rem; }
.logo-subtitle {
    display: block;
    color: var(--text-muted);
    font-size: 0.75rem;
    margin-top: 0.25rem;
    letter-spacing: 1px;
    text-transform: uppercase;
}
.nav-menu {
    list-style: none;
    padding: 1rem 0;
    flex: 1;
    overflow-y: auto;
}
.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
    border-left: 3px solid transparent;
}
.nav-item:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}
.nav-item.active {
    color: var(--blue);
    background: rgba(59,130,246,0.08);
    border-left-color: var(--blue);
}
.nav-item i { width: 20px; text-align: center; }

/* Company Switch Button */
.sidebar-company-switch {
    padding: 0.75rem 1rem;
    border-top: 1px solid var(--border);
}
.btn-company-switch {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    width: 100%;
    padding: 0.65rem 1rem;
    background: rgba(249,115,22,0.06);
    border: 1px solid rgba(249,115,22,0.25);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.8rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    letter-spacing: 0.5px;
}
.btn-company-switch:hover {
    background: rgba(249,115,22,0.12);
    border-color: rgba(249,115,22,0.5);
    transform: scale(1.02);
}
.btn-company-switch .company-switch-dot {
    width: 10px; height: 10px;
    border-radius: 50%;
    background: var(--orange);
    flex-shrink: 0;
    animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}
.btn-company-switch .company-switch-label { flex: 1; text-align: left; }
.btn-company-switch i { font-size: 0.7rem; color: var(--text-muted); }

/* Mobile company switch */
.btn-company-switch-mobile {
    margin-left: auto;
    width: auto;
    padding: 0.4rem 0.75rem;
    font-size: 0.7rem;
    background: rgba(249,115,22,0.08);
    border: 1px solid rgba(249,115,22,0.3);
    border-radius: var(--radius-sm);
    gap: 0.4rem;
}
.btn-company-switch-mobile .company-switch-dot { width: 8px; height: 8px; }

/* Company accent theming */
body.company-roddex .sidebar .nav-item.active {
    color: var(--orange);
    background: rgba(249,115,22,0.08);
    border-left-color: var(--orange);
}
body.company-roddex .logo,
body.company-roddex .mobile-logo { color: var(--orange); }
body.company-roddex .btn-company-switch {
    background: rgba(59,130,246,0.06);
    border-color: rgba(59,130,246,0.25);
}
body.company-roddex .btn-company-switch:hover {
    background: rgba(59,130,246,0.12);
    border-color: rgba(59,130,246,0.5);
}
body.company-roddex .btn-company-switch .company-switch-dot {
    background: var(--blue);
}
body.company-roddex .btn-company-switch-mobile {
    background: rgba(59,130,246,0.08);
    border-color: rgba(59,130,246,0.3);
}

.sidebar-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 0.5rem;
}

/* ==================== MAIN CONTENT ==================== */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    padding: 2rem;
    min-height: 100vh;
}
.page { display: none; }
.page.active { display: block; }

/* ==================== PAGE HEADER ==================== */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}
.page-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
}
.header-actions {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    flex-wrap: wrap;
}

/* ==================== BUTTONS ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.25rem;
    border: none;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}
.btn-primary { background: var(--blue); color: white; }
.btn-primary:hover { background: var(--blue-dark); }
.btn-secondary { background: var(--purple); color: white; }
.btn-secondary:hover { opacity: 0.9; }
.btn-outline {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}
.btn-outline:hover { border-color: var(--blue); color: var(--blue); }
.btn-ghost { background: transparent; color: var(--text-secondary); }
.btn-ghost:hover { color: var(--text-primary); }
.btn-sm { padding: 0.4rem 0.75rem; font-size: 0.8rem; }
.btn-danger { background: var(--red); color: white; }
.btn-danger:hover { background: var(--red-dark); }
.btn-icon {
    width: 32px; height: 32px; padding: 0;
    display: inline-flex; align-items: center; justify-content: center;
    border-radius: var(--radius-sm); border: none;
    background: transparent; color: var(--text-secondary); cursor: pointer;
    transition: var(--transition);
}
.btn-icon:hover { background: var(--bg-card-hover); color: var(--text-primary); }
.btn-icon.danger:hover { color: var(--red); }

/* ==================== FORMS ==================== */
.form-input, .form-select {
    width: 100%;
    padding: 0.6rem 0.85rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.875rem;
    transition: var(--transition);
}
.form-input:focus, .form-select:focus {
    outline: none;
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
}
.form-input::placeholder { color: var(--text-muted); }
.form-input[readonly] {
    background: rgba(59,130,246,0.05);
    border-color: rgba(59,130,246,0.2);
    color: var(--blue);
    font-weight: 600;
}
.form-input.calculated {
    background: rgba(34,197,94,0.08);
    border-color: rgba(34,197,94,0.3);
    color: var(--green);
}
textarea.form-input { resize: vertical; }
.form-group { display: flex; flex-direction: column; gap: 0.35rem; }
.form-group label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.form-grid {
    display: grid;
    gap: 1rem;
    margin-bottom: 1rem;
}
.form-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.form-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.form-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.col-span-2 { grid-column: span 2; }
.form-section-title {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--blue);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin: 1.5rem 0 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}

/* ==================== FILTERS BAR ==================== */
.filters-bar {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}
.filters-bar .form-input { max-width: 300px; }
.filters-bar .form-select { max-width: 180px; }

/* ==================== KPI CARDS ==================== */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}
.kpi-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: var(--transition);
}
.kpi-card:hover {
    border-color: var(--border-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}
.kpi-icon {
    width: 48px; height: 48px;
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.25rem;
}
.kpi-icon.blue { background: rgba(59,130,246,0.15); color: var(--blue); }
.kpi-icon.green { background: rgba(34,197,94,0.15); color: var(--green); }
.kpi-icon.purple { background: rgba(168,85,247,0.15); color: var(--purple); }
.kpi-icon.orange { background: rgba(249,115,22,0.15); color: var(--orange); }
.kpi-icon.red { background: rgba(239,68,68,0.15); color: var(--red); }
.kpi-icon.teal { background: rgba(20,184,166,0.15); color: var(--teal); }
.kpi-info { display: flex; flex-direction: column; }
.kpi-label { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; font-weight: 600; }
.kpi-value { font-size: 1.35rem; font-weight: 800; margin-top: 0.15rem; }

/* ==================== CHARTS ==================== */
.charts-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}
.chart-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
}
.chart-card.wide { grid-column: span 1; }
.chart-card h3 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

/* ==================== TABLES ==================== */
.table-container {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow-x: auto;
}
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.825rem;
}
.data-table thead {
    background: rgba(59,130,246,0.05);
    position: sticky;
    top: 0;
}
.data-table th {
    padding: 0.85rem 0.75rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
    cursor: pointer;
    user-select: none;
}
.data-table th:hover { color: var(--blue); }
.data-table th i { font-size: 0.65rem; margin-left: 0.25rem; opacity: 0.5; }
.data-table td {
    padding: 0.65rem 0.75rem;
    border-bottom: 1px solid rgba(51,65,85,0.5);
    white-space: nowrap;
}
.data-table tbody tr { transition: var(--transition); }
.data-table tbody tr:hover { background: var(--bg-card-hover); }
.data-table .status-badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
}
.status-entregue { background: rgba(34,197,94,0.15); color: var(--green); }
.status-enviado { background: rgba(59,130,246,0.15); color: var(--blue); }
.status-pendente { background: rgba(249,115,22,0.15); color: var(--orange); }
.status-cancelado { background: rgba(239,68,68,0.15); color: var(--red); }
.status-devolvido { background: rgba(168,85,247,0.15); color: var(--purple); }
.positive { color: var(--green); }
.negative { color: var(--red); }

/* ==================== PAGINATION ==================== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
}
.pagination button {
    width: 36px; height: 36px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    color: var(--text-secondary);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}
.pagination button:hover { border-color: var(--blue); color: var(--blue); }
.pagination button.active { background: var(--blue); color: white; border-color: var(--blue); }
.pagination .page-info { color: var(--text-muted); font-size: 0.8rem; margin: 0 0.5rem; }

/* ==================== MODAL ==================== */
.modal {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}
.modal.active { display: flex; }
.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
}
.modal-content.modal-lg { max-width: 900px; }
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
}
.modal-header h2 { font-size: 1.15rem; font-weight: 700; }
.modal-close {
    background: none; border: none;
    color: var(--text-muted); font-size: 1.5rem;
    cursor: pointer; transition: var(--transition);
    line-height: 1;
}
.modal-close:hover { color: var(--red); }
.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
    flex: 1;
}
.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border);
}

/* ==================== P&L TABLE ==================== */
.pnl-container { display: flex; flex-direction: column; gap: 2rem; }
.pnl-table-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}
.pnl-table-header {
    padding: 1rem 1.5rem;
    background: rgba(59,130,246,0.08);
    border-bottom: 1px solid var(--border);
    font-weight: 700;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.pnl-table-header i { color: var(--blue); }
.pnl-table {
    width: 100%;
    border-collapse: collapse;
}
.pnl-table th, .pnl-table td {
    padding: 0.65rem 1rem;
    text-align: right;
    font-size: 0.825rem;
}
.pnl-table th {
    text-align: right;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border);
}
.pnl-table th:first-child, .pnl-table td:first-child { text-align: left; }
.pnl-table td { border-bottom: 1px solid rgba(51,65,85,0.3); }
.pnl-table tr.highlight td { font-weight: 700; background: rgba(59,130,246,0.05); }
.pnl-table tr.total td { font-weight: 800; border-top: 2px solid var(--blue); }

/* ==================== GROUPS / LINES ==================== */
.section-title { margin-bottom: 1.5rem; }
.section-title h2 { font-size: 1.35rem; font-weight: 700; }
.section-title p { color: var(--text-muted); font-size: 0.85rem; margin-top: 0.25rem; }

.groups-grid, .lines-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}
.group-card, .line-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.group-card:hover, .line-card:hover {
    border-color: var(--border-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}
.group-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 4px; height: 100%;
}
.group-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}
.group-card-title { font-weight: 700; font-size: 1rem; }
.group-card-count { font-size: 0.75rem; color: var(--text-muted); }
.group-card-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}
.group-stat-label { font-size: 0.65rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }
.group-stat-value { font-size: 0.95rem; font-weight: 700; margin-top: 0.1rem; }

.line-card-header { margin-bottom: 0.75rem; }
.line-card-title { font-weight: 700; font-size: 0.95rem; }
.line-card-grupo { font-size: 0.75rem; color: var(--blue); margin-top: 0.15rem; }
.line-card-products {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-top: 0.75rem;
}
.line-product-tag {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    background: rgba(59,130,246,0.1);
    border-radius: 4px;
    font-size: 0.7rem;
    color: var(--text-secondary);
}
.line-product-tag.sold {
    background: rgba(34,197,94,0.15);
    color: var(--green);
}

/* ==================== MATRIX ==================== */
.matrix-container {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    overflow-x: auto;
}
.matrix-table { border-collapse: collapse; width: 100%; }
.matrix-table th, .matrix-table td {
    padding: 0.5rem;
    text-align: center;
    font-size: 0.75rem;
    border: 1px solid var(--border);
}
.matrix-table th { background: rgba(59,130,246,0.05); font-weight: 600; }
.matrix-cell {
    width: 36px; height: 36px;
    border-radius: 4px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.7rem;
}

/* ==================== TOAST ==================== */
#toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.toast {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.85rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease;
    min-width: 280px;
}
.toast.success { border-left: 4px solid var(--green); }
.toast.error { border-left: 4px solid var(--red); }
.toast.info { border-left: 4px solid var(--blue); }
.toast-message { font-size: 0.85rem; }
@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* ==================== MOBILE HEADER ==================== */
.mobile-header {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 56px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    z-index: 200;
    align-items: center;
    padding: 0 1rem;
    gap: 0.75rem;
}
.btn-menu-toggle {
    width: 40px; height: 40px;
    border: none; background: none;
    color: var(--text-primary);
    font-size: 1.25rem;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}
.btn-menu-toggle:hover { background: var(--bg-card-hover); }
.mobile-logo {
    display: flex; align-items: center; gap: 0.5rem;
    font-size: 1.1rem; font-weight: 700; color: var(--blue);
}
.mobile-logo i { font-size: 1.2rem; }
.mobile-page-title {
    margin-left: auto;
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(2px);
    z-index: 99;
}
.sidebar-overlay.active { display: block; }

/* ==================== RESPONSIVE ==================== */

/* ---------- DESKTOP (> 1200px): Default layout ---------- */

/* ---------- SMALL DESKTOP / LARGE TABLET (< 1200px) ---------- */
@media (max-width: 1200px) {
    .charts-row { grid-template-columns: 1fr; }
    .chart-card.wide { grid-column: span 1; }
    .page > .filters-bar .form-grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- TABLET (< 1024px) ---------- */
@media (max-width: 1024px) {
    :root {
        --sidebar-width: 60px;
    }
    .sidebar .nav-item span,
    .sidebar-header span,
    .logo-subtitle,
    .sidebar-footer span { display: none; }
    .sidebar-header { padding: 1rem; text-align: center; }
    .sidebar-company-switch { padding: 0.5rem; }
    .btn-company-switch { padding: 0.5rem; justify-content: center; font-size: 0; gap: 0; }
    .btn-company-switch .company-switch-label,
    .btn-company-switch i { display: none; }
    .btn-company-switch .company-switch-dot { width: 14px; height: 14px; }
    .sidebar-footer { flex-direction: column; align-items: center; }
    .sidebar-footer .btn { padding: 0.5rem; font-size: 0; width: 36px; height: 36px; justify-content: center; }
    .sidebar-footer .btn i { font-size: 0.9rem; margin: 0; }
    .main-content { padding: 1.5rem; }
    .kpi-grid { grid-template-columns: repeat(2, 1fr); }
    .upload-grid { grid-template-columns: 1fr 1fr; }
    .groups-grid, .lines-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
    .form-grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
    .modal-content.modal-lg { max-width: 95%; }
}

/* ---------- MOBILE (< 768px) ---------- */
@media (max-width: 768px) {
    /* Show mobile header, hide sidebar by default */
    .mobile-header { display: flex; }
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        width: 260px;
        z-index: 300;
    }
    .sidebar.open { transform: translateX(0); }
    .sidebar .nav-item span,
    .sidebar-header span,
    .logo-subtitle { display: initial; }
    .sidebar-header { padding: 1.5rem; text-align: left; }
    .sidebar-company-switch { padding: 0.75rem 1rem; }
    .btn-company-switch { padding: 0.65rem 1rem; font-size: 0.8rem; gap: 0.6rem; justify-content: flex-start; }
    .btn-company-switch .company-switch-label,
    .btn-company-switch i { display: initial; }
    .btn-company-switch .company-switch-dot { width: 10px; height: 10px; }
    .sidebar-footer {
        display: flex;
        flex-direction: row;
        padding: 1rem 1.5rem;
    }
    .sidebar-footer .btn { padding: 0.4rem 0.75rem; font-size: 0.8rem; width: auto; height: auto; }
    .sidebar-footer .btn i { margin: 0; }
    .sidebar-footer span { display: none; }

    .main-content {
        margin-left: 0;
        padding: 1rem;
        padding-top: calc(56px + 1rem);
    }

    /* Page header */
    .page-header { flex-direction: column; align-items: flex-start; }
    .page-header h1 { font-size: 1.35rem; }
    .header-actions { width: 100%; }
    .header-actions .form-select { flex: 1; max-width: none; }

    /* KPI Cards - 2 columns, smaller */
    .kpi-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.65rem;
    }
    .kpi-card { padding: 0.85rem; gap: 0.65rem; }
    .kpi-icon { width: 38px; height: 38px; font-size: 1rem; }
    .kpi-value { font-size: 1.05rem; }
    .kpi-label { font-size: 0.65rem; }

    /* Charts */
    .chart-card { padding: 1rem; }
    .chart-card h3 { font-size: 0.8rem; }

    /* Filters */
    .filters-bar {
        flex-direction: column;
    }
    .filters-bar .form-input,
    .filters-bar .form-select { max-width: none; width: 100%; }

    /* Forms */
    .form-grid.cols-2,
    .form-grid.cols-3,
    .form-grid.cols-4 { grid-template-columns: 1fr; }
    .col-span-2 { grid-column: span 1; }

    /* Tables */
    .table-container { border-radius: var(--radius-sm); }
    .data-table th,
    .data-table td { padding: 0.5rem 0.5rem; font-size: 0.75rem; }

    /* Upload */
    .upload-grid { grid-template-columns: 1fr; }
    .upload-dropzone { padding: 1.25rem; }
    .upload-dropzone i { font-size: 2rem; }

    /* Modals - fullscreen on mobile */
    .modal-content {
        width: 100%;
        max-width: 100%;
        height: 100%;
        max-height: 100%;
        border-radius: 0;
    }
    .modal-content.modal-lg {
        max-width: 100%;
    }
    .modal-header { padding: 1rem; }
    .modal-body { padding: 1rem; }
    .modal-footer { padding: 0.75rem 1rem; }

    /* P&L */
    .pnl-table-wrapper { overflow-x: auto; }
    .pnl-table th, .pnl-table td { padding: 0.5rem 0.6rem; font-size: 0.75rem; white-space: nowrap; }

    /* Groups / Lines */
    .groups-grid, .lines-grid { grid-template-columns: 1fr; }

    /* Login */
    .login-card { padding: 2rem 1.5rem; margin: 1rem; }

    /* Toast */
    #toast-container { left: 1rem; right: 1rem; top: auto; bottom: 1rem; }
    .toast { min-width: auto; width: 100%; }

    /* Pagination */
    .pagination { flex-wrap: wrap; }
    .pagination button { width: 32px; height: 32px; font-size: 0.8rem; }
}

/* ---------- SMALL MOBILE (< 480px) ---------- */
@media (max-width: 480px) {
    html { font-size: 13px; }
    .main-content { padding: 0.75rem; padding-top: calc(56px + 0.75rem); }

    /* Stack KPI cards to 1 column on very small screens */
    .kpi-grid { grid-template-columns: 1fr; }
    .kpi-card {
        flex-direction: row;
        padding: 0.75rem 1rem;
    }
    .kpi-icon { width: 42px; height: 42px; font-size: 1.1rem; flex-shrink: 0; }
    .kpi-value { font-size: 1.2rem; }

    /* Page header compact */
    .page-header h1 { font-size: 1.2rem; }
    .page-header { margin-bottom: 1rem; }

    /* Upload dropzone even more compact */
    .upload-card-header { padding: 0.85rem; gap: 0.75rem; }
    .upload-marketplace-icon { width: 40px; height: 40px; font-size: 1.25rem; }
    .upload-dropzone { padding: 1rem; margin: 0.75rem; }
    .upload-dropzone i { font-size: 1.5rem; margin-bottom: 0.5rem; }
    .upload-dropzone p { font-size: 0.8rem; }
}

/* ==================== SCROLLBAR ==================== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-light); }

/* ==================== MISC ==================== */
.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
}
.empty-state i { font-size: 3rem; margin-bottom: 1rem; opacity: 0.3; }
.empty-state p { font-size: 0.9rem; }
.tag-sim { color: var(--green); }
.tag-nao { color: var(--red); }
.tag-parcial { color: var(--orange); }

/* ==================== LOGIN SCREEN ==================== */
.login-screen {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}
.login-screen.hidden { display: none; }
.login-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 3rem;
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow-lg);
}
.login-logo {
    text-align: center;
    margin-bottom: 2rem;
}
.login-logo i {
    font-size: 3rem;
    color: var(--blue);
    margin-bottom: 0.75rem;
}
.login-logo h1 {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-primary);
}
.login-logo p {
    color: var(--text-muted);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-top: 0.25rem;
}
.password-field {
    position: relative;
    display: flex;
    align-items: center;
}
.password-field .form-input { padding-right: 40px; }
.password-field .btn-icon {
    position: absolute;
    right: 4px;
}
.login-error {
    color: var(--red);
    font-size: 0.8rem;
    margin-top: 0.5rem;
    text-align: center;
}
.btn-block {
    width: 100%;
    justify-content: center;
    padding: 0.75rem;
    margin-top: 1.25rem;
    font-size: 1rem;
}
body.locked .sidebar,
body.locked .main-content,
body.locked .mobile-header,
body.locked .sidebar-overlay { display: none !important; }

/* ==================== UPLOAD PAGE ==================== */
.upload-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}
.upload-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}
.upload-card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
    border-bottom: 1px solid var(--border);
}
.upload-card-header h3 { font-size: 1rem; font-weight: 700; }
.upload-card-header p { font-size: 0.75rem; color: var(--text-muted); margin-top: 0.15rem; }
.upload-marketplace-icon {
    width: 48px; height: 48px;
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem;
}
.upload-marketplace-icon.amazon { background: rgba(255,153,0,0.15); color: #FF9900; }
.upload-marketplace-icon.ml { background: rgba(255,232,24,0.15); color: #FFE818; }
.upload-marketplace-icon.shopee { background: rgba(238,77,45,0.15); color: #EE4D2D; }
.upload-dropzone {
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: 2px dashed transparent;
    margin: 1rem;
    border-radius: var(--radius-sm);
}
.upload-dropzone:hover,
.upload-dropzone.dragover {
    border-color: var(--blue);
    background: rgba(59,130,246,0.05);
}
.upload-dropzone i {
    font-size: 2.5rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    display: block;
}
.upload-dropzone.dragover i { color: var(--blue); }
.upload-dropzone p { font-size: 0.9rem; color: var(--text-secondary); }
.upload-dropzone span { font-size: 0.75rem; color: var(--text-muted); }
.upload-dropzone.success {
    border-color: var(--green);
    background: rgba(34,197,94,0.05);
}
.upload-dropzone.success i { color: var(--green); }
.upload-status {
    padding: 0 1.25rem 1rem;
    font-size: 0.8rem;
}
.upload-status .file-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0.75rem;
    background: rgba(59,130,246,0.05);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(59,130,246,0.15);
}
.upload-status .file-name { color: var(--blue); font-weight: 600; }
.upload-status .file-rows { color: var(--green); font-weight: 600; }