* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
    --primary: #1a3a5c;
    --accent: #e8851a;
    --light: #f0f4f8;
    --white: #ffffff;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --text: #2d3748;
    --muted: #718096;
    --border: #e2e8f0;
}
body {
    font-family: 'Mukta', sans-serif;
    background: var(--light);
    color: var(--text);
    min-height: 100vh;
}

/* ---- SIDEBAR ---- */
.sidebar {
    position: fixed; left: 0; top: 0; bottom: 0;
    width: 240px;
    background: var(--primary);
    color: white;
    overflow-y: auto;
    z-index: 200;
    box-shadow: 3px 0 15px rgba(0,0,0,0.2);
    transition: transform 0.3s ease;
}
.sidebar-logo {
    padding: 20px 16px;
    background: rgba(0,0,0,0.2);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    display: flex; align-items: center; justify-content: space-between;
}
.sidebar-logo h1 {
    font-family: 'Teko', sans-serif;
    font-size: 22px;
    letter-spacing: 1px;
    color: var(--accent);
}
.sidebar-logo p { font-size: 11px; opacity: 0.7; margin-top: 2px; }
.sidebar-close-btn {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 22px;
    cursor: pointer;
    line-height: 1;
    padding: 2px 4px;
}

.nav-section {
    padding: 10px 0;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.nav-section-title {
    font-size: 10px;
    letter-spacing: 2px;
    text-transform: uppercase;
    opacity: 0.5;
    padding: 8px 16px 4px;
}
.nav-item {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 16px;
    text-decoration: none;
    color: rgba(255,255,255,0.75);
    font-size: 14px;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}
.nav-item:hover, .nav-item.active {
    background: rgba(255,255,255,0.1);
    color: white;
    border-left-color: var(--accent);
}
.nav-item .icon { font-size: 18px; width: 22px; text-align: center; }

/* Overlay for mobile sidebar */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 150;
}

/* ---- MAIN CONTENT ---- */
.main {
    margin-left: 240px;
    min-height: 100vh;
}
.topbar {
    background: white;
    padding: 12px 24px;
    display: flex; align-items: center; justify-content: space-between;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 1px 4px rgba(0,0,0,0.06);
    position: sticky; top: 0; z-index: 100;
    gap: 10px;
}
.topbar-left { display: flex; align-items: center; gap: 12px; }
.hamburger-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    font-size: 22px;
    line-height: 1;
    color: var(--primary);
    flex-shrink: 0;
}
.topbar h2 { font-size: 18px; font-weight: 700; color: var(--primary); }
.topbar .date { font-size: 13px; color: var(--muted); white-space: nowrap; }

.content { padding: 20px; }

/* ---- CARDS ---- */
.card {
    background: white;
    border-radius: 10px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
    margin-bottom: 20px;
    overflow: hidden;
}
.card-header {
    padding: 14px 20px;
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center; justify-content: space-between;
    flex-wrap: wrap; gap: 8px;
}
.card-header h3 { font-size: 16px; font-weight: 700; color: var(--primary); }
.card-body { padding: 20px; }

/* ---- STATS ---- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 14px;
    margin-bottom: 24px;
}
.stat-card {
    background: white;
    border-radius: 10px;
    padding: 16px 20px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
    border-left: 4px solid var(--accent);
}
.stat-card.blue { border-left-color: #3b82f6; }
.stat-card.green { border-left-color: var(--success); }
.stat-card.orange { border-left-color: #f97316; }
.stat-card.purple { border-left-color: #8b5cf6; }
.stat-label { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; }
.stat-value { font-family: 'Teko', sans-serif; font-size: 30px; color: var(--primary); line-height: 1.1; margin-top: 4px; }
.stat-sub { font-size: 12px; color: var(--muted); margin-top: 4px; }

/* ---- TABLE ---- */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th {
    background: var(--light);
    padding: 10px 14px;
    text-align: left;
    font-size: 12px;
    font-weight: 700;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--border);
    white-space: nowrap;
}
td { padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
tr:hover td { background: #fafafa; }
tr:last-child td { border-bottom: none; }

/* ---- FORMS ---- */
.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--text); }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 9px 12px;
    border: 1.5px solid var(--border);
    border-radius: 6px;
    font-size: 14px;
    font-family: 'Mukta', sans-serif;
    transition: border-color 0.2s;
    background: white;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
}

/* ---- BUTTONS ---- */
.btn {
    padding: 9px 18px;
    border: none; border-radius: 6px;
    font-size: 14px; font-family: 'Mukta', sans-serif;
    font-weight: 600; cursor: pointer;
    text-decoration: none; display: inline-flex;
    align-items: center; gap: 6px;
    transition: all 0.2s;
    white-space: nowrap;
}
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: #122a45; }
.btn-accent { background: var(--accent); color: white; }
.btn-accent:hover { background: #d4741a; }
.btn-success { background: var(--success); color: white; }
.btn-danger { background: var(--danger); color: white; }
.btn-sm { padding: 5px 12px; font-size: 12px; }
.btn-outline {
    background: transparent;
    border: 1.5px solid var(--primary);
    color: var(--primary);
}
.btn-outline:hover { background: var(--primary); color: white; }

/* ---- ALERTS ---- */
.alert { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; font-size: 14px; }
.alert-success { background: #d1fae5; color: #065f46; border-left: 4px solid var(--success); }
.alert-error { background: #fee2e2; color: #991b1b; border-left: 4px solid var(--danger); }
.alert-info { background: #dbeafe; color: #1e40af; border-left: 4px solid #3b82f6; }

/* ---- ITEMS TABLE (dynamic) ---- */
.items-section { background: var(--light); border-radius: 8px; padding: 16px; margin-bottom: 16px; }
.item-row { display: grid; gap: 10px; align-items: end; margin-bottom: 10px; }
.item-row.warp-row { grid-template-columns: 2fr 1fr 1fr 1fr 40px; }
.item-row.weft-row { grid-template-columns: 2fr 1fr 1fr 1fr 40px; }
.remove-row { background: var(--danger); color: white; border: none; border-radius: 4px; padding: 9px 12px; cursor: pointer; font-size: 16px; }

/* ---- MOBILE CARD TABLE (data-label) ---- */
@media (max-width: 640px) {
    table.mobile-cards thead { display: none; }
    table.mobile-cards tr {
        display: block;
        background: white;
        border-radius: 8px;
        border: 1px solid var(--border);
        margin-bottom: 12px;
        padding: 4px 0;
        box-shadow: 0 1px 3px rgba(0,0,0,0.06);
    }
    table.mobile-cards td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 8px 14px;
        border-bottom: 1px solid var(--border);
        font-size: 13px;
        gap: 8px;
    }
    table.mobile-cards tr:last-child td:last-child { border-bottom: none; }
    table.mobile-cards td::before {
        content: attr(data-label);
        font-weight: 700;
        font-size: 11px;
        text-transform: uppercase;
        color: var(--muted);
        flex-shrink: 0;
        min-width: 90px;
    }
    table.mobile-cards td.actions-cell {
        flex-wrap: wrap;
        justify-content: flex-end;
    }
    table.mobile-cards td.actions-cell::before { display: none; }
}

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
    /* Tablet: narrow sidebar */
    .sidebar { width: 210px; }
    .main { margin-left: 210px; }
}

@media (max-width: 768px) {
    /* Mobile: slide-out sidebar */
    .sidebar { transform: translateX(-240px); width: 240px; }
    .sidebar.open { transform: translateX(0); }
    .sidebar-overlay.open { display: block; }
    .sidebar-close-btn { display: block; }
    .hamburger-btn { display: flex; }
    .main { margin-left: 0; }
    .content { padding: 12px; }
    .topbar { padding: 10px 14px; }
    .topbar h2 { font-size: 16px; }
    .topbar .date { font-size: 11px; }

    /* Stats: 2 col on mobile */
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 16px; }
    .stat-card { padding: 12px 14px; }
    .stat-value { font-size: 26px; }

    /* Cards padding */
    .card-body { padding: 14px; }
    .card-header { padding: 12px 14px; }

    /* Form grid: single col */
    .form-grid { grid-template-columns: 1fr; gap: 12px; }

    /* Item rows: stack on mobile */
    .item-row.warp-row,
    .item-row.weft-row {
        grid-template-columns: 1fr 1fr;
    }
    .item-row.warp-row > *:first-child,
    .item-row.weft-row > *:first-child {
        grid-column: 1 / -1;
    }
    .item-row .remove-row {
        grid-column: 2;
        justify-self: end;
    }

    /* Inline grids: force responsive */
    [style*="grid-template-columns:1fr 1fr"],
    [style*="grid-template-columns: 1fr 1fr"] {
        grid-template-columns: 1fr !important;
    }
    [style*="grid-template-columns:280px"],
    [style*="grid-template-columns: 280px"] {
        grid-template-columns: 1fr !important;
    }
    [style*="grid-template-columns:2fr 1fr 1fr 1fr 1fr"],
    [style*="grid-template-columns: 2fr 1fr 1fr 1fr 1fr"] {
        grid-template-columns: 1fr 1fr !important;
    }
    [style*="grid-template-columns:40px 2fr"],
    [style*="grid-template-columns: 40px 2fr"] {
        grid-template-columns: 1fr 1fr !important;
    }
    [style*="grid-template-columns:2fr 80px 140px 120px 1fr 36px"],
    [style*="grid-template-columns: 2fr 80px 140px"] {
        grid-template-columns: 1fr 1fr !important;
    }
    [style*="grid-template-columns:2fr 1fr 1fr 1fr;"],
    [style*="grid-template-columns: 2fr 1fr 1fr 1fr"] {
        grid-template-columns: 1fr 1fr !important;
    }

    /* Button groups: wrap */
    .btn-group, .card-header .btn, .topbar .btn {
        font-size: 12px;
        padding: 5px 10px;
    }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr; }
    .stat-card { padding: 12px; }
    .topbar h2 { font-size: 14px; }
    .content { padding: 10px; }
    .card-body { padding: 10px; }

    /* Stack all 2-col grids to 1 col */
    [style*="grid-template-columns:1fr 1fr"],
    [style*="grid-template-columns: 1fr 1fr"],
    [style*="grid-template-columns:repeat(auto-fill,minmax(160px"],
    [style*="grid-template-columns:repeat(auto-fill,minmax(150px"],
    [style*="grid-template-columns:repeat(auto-fill,minmax(140px"],
    [style*="grid-template-columns:repeat(auto-fill,minmax(130px"] {
        grid-template-columns: 1fr !important;
    }

    /* Item rows: fully stacked */
    .item-row.warp-row,
    .item-row.weft-row {
        grid-template-columns: 1fr !important;
    }
    .item-row .remove-row { width: 100%; }

    .btn { font-size: 13px; padding: 8px 12px; }
    .btn-sm { padding: 5px 8px; font-size: 11px; }
}

/* ---- RESPONSIVE GRID HELPERS ---- */
.resp-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
}
.resp-grid-sidebar {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 20px;
    align-items: start;
}
@media (max-width: 768px) {
    .resp-grid-2 { grid-template-columns: 1fr !important; }
    .resp-grid-sidebar { grid-template-columns: 1fr !important; }
}

/* ---- COMPLEX ITEM ROWS ---- */
.beam-item-row {
    display: grid;
    grid-template-columns: 2fr 80px 140px 120px 1fr 36px;
    gap: 8px;
    align-items: center;
    margin-bottom: 8px;
}
.weaver-item-row {
    display: grid;
    grid-template-columns: 40px 2fr 80px 1fr 1fr 1fr;
    gap: 8px;
    align-items: end;
}
@media (max-width: 768px) {
    .beam-item-row {
        grid-template-columns: 1fr 1fr !important;
    }
    .beam-item-row > *:first-child {
        grid-column: 1 / -1;
    }
    .weaver-item-row {
        grid-template-columns: 1fr 1fr !important;
    }
    .weaver-item-row > *:first-child {
        display: none; /* hide # label on mobile */
    }
    .weaver-item-row > *:nth-child(2) {
        grid-column: 1 / -1;
    }
}
@media (max-width: 480px) {
    .beam-item-row, .weaver-item-row {
        grid-template-columns: 1fr !important;
    }
    .weaver-item-row > *:first-child { display: none; }
}

/* ---- WEAVER RETURN / WARPER RETURN ITEM ROWS ---- */
.weft-item-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 8px;
    align-items: end;
    margin-bottom: 8px;
}
.warp-return-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 10px;
    align-items: end;
    margin-bottom: 6px;
}
@media (max-width: 768px) {
    .weft-item-row, .warp-return-row {
        grid-template-columns: 1fr 1fr !important;
    }
    .weft-item-row > *:first-child,
    .warp-return-row > *:first-child {
        grid-column: 1 / -1;
    }
}
@media (max-width: 480px) {
    .weft-item-row, .warp-return-row {
        grid-template-columns: 1fr !important;
    }
}

/* ---- MOBILE MISC TWEAKS ---- */
@media (max-width: 768px) {
    /* Filter bars: full-width on mobile */
    [style*="margin-left:auto"] {
        margin-left: 0 !important;
    }
    /* Summary boxes */
    [style*="grid-template-columns:repeat(auto-fill,minmax(160px"],
    [style*="grid-template-columns:repeat(auto-fill,minmax(150px"],
    [style*="grid-template-columns:repeat(auto-fill,minmax(140px"],
    [style*="grid-template-columns:repeat(auto-fill,minmax(130px"] {
        grid-template-columns: repeat(2, 1fr) !important;
    }
    /* Overflow tables: ensure min content doesn't break layout */
    .table-wrap { border-radius: 8px; }
    /* Buttons inside card-header: smaller on mobile */
    .card-header .btn { font-size: 12px; padding: 5px 10px; }
    /* Action buttons in table: stack them */
    td.actions-cell { flex-direction: column; align-items: flex-end; gap: 4px; }
    td.actions-cell::before { display: none !important; }
}
@media (max-width: 480px) {
    [style*="grid-template-columns:repeat(auto-fill,minmax(160px"],
    [style*="grid-template-columns:repeat(auto-fill,minmax(150px"],
    [style*="grid-template-columns:repeat(auto-fill,minmax(140px"],
    [style*="grid-template-columns:repeat(auto-fill,minmax(130px"] {
        grid-template-columns: 1fr !important;
    }
    /* Topbar: hide date on tiny screens */
    .topbar .date { display: none; }
}