:root {
    --bg: #f4f6fa;
    --surface: #ffffff;
    --surface-alt: #f9fafc;
    --border: #e4e7ee;
    --text: #1f2937;
    --text-muted: #6b7280;
    --primary: #1f6feb;
    --primary-hover: #155bc8;
    --overdue: #dc2626;
    --overdue-bg: #fee2e2;
    --soon: #d97706;
    --soon-bg: #fef3c7;
    --future: #047857;
    --future-bg: #d1fae5;
    --done: #6b7280;
    --done-bg: #e5e7eb;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
}

*, *::before, *::after { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 14px;
    line-height: 1.4;
}

/* ============ Navbar ============ */
.navbar {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}
.navbar-inner {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 24px;
    max-width: 100%;
}
.brand { display: flex; align-items: center; gap: 8px; }
.brand-mark { color: var(--primary); font-size: 18px; }
.brand-text { font-weight: 600; font-size: 15px; }
.nav-links { display: flex; gap: 4px; margin-left: 12px; }
.nav-link {
    padding: 6px 12px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 14px;
    border-radius: 6px;
    transition: background 0.15s, color 0.15s;
}
.nav-link:hover { background: var(--surface-alt); color: var(--text); }
.section-title { margin: 0 0 6px; font-size: 22px; }
.block-title { margin: 16px 0 8px; font-size: 16px; }
.page-section { margin-bottom: 24px; }
.navbar-spacer { flex: 1; }
.factory-name { font-weight: 500; color: var(--text-muted); }
.logout-form { margin: 0; }

/* ============ Messages ============ */
.messages { padding: 8px 24px; }
.message {
    padding: 10px 14px;
    border-radius: 6px;
    margin-bottom: 8px;
    background: var(--surface);
    border-left: 3px solid var(--primary);
}
.message-error { border-left-color: var(--overdue); background: var(--overdue-bg); }
.message-success { border-left-color: var(--future); background: var(--future-bg); }

/* ============ Page ============ */
.page {
    padding: 16px 24px 48px;
    width: 100%;
    max-width: 100%;
}

/* ============ Toolbar ============ */
.toolbar {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}
.toolbar-form { margin: 0; }
.toolbar-label {
    display: inline-flex;
    flex-direction: column;
    gap: 4px;
    font-size: 12px;
    color: var(--text-muted);
}
.toolbar-label select,
.toolbar-label input {
    padding: 8px 12px;
    font-size: 14px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--surface);
    min-width: 200px;
}
.toolbar-info { color: var(--text-muted); margin-left: auto; }

/* ============ View switcher ============ */
.view-switcher {
    display: inline-flex;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    overflow: hidden;
}
.view-btn {
    padding: 0 14px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 13px;
    line-height: 1;
    transition: background 0.15s, color 0.15s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 34px;
}
.view-btn svg {
    fill: currentColor;
    display: block;
}
.view-btn:hover { background: var(--surface-alt); color: var(--text); }
.view-btn.is-active {
    background: var(--primary);
    color: white;
}

/* ============ Board ============ */
.board {
    display: grid;
    gap: 16px;
}
.board-kanban { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.board-lists  { grid-template-columns: 1fr; }
.board-column {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    min-height: 120px;
}
.column-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    background: var(--surface-alt);
    border-radius: 8px 8px 0 0;
}
.column-title { margin: 0; font-size: 15px; font-weight: 600; }
.column-count {
    background: var(--bg);
    color: var(--text-muted);
    font-size: 12px;
    padding: 2px 10px;
    border-radius: 999px;
    font-weight: 500;
}
.column-body {
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
}
.column-empty {
    color: var(--text-muted);
    font-style: italic;
    padding: 24px 8px;
    text-align: center;
    font-size: 13px;
}

/* ============ Card ============ */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 12px;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.15s;
}
.card:hover { box-shadow: var(--shadow-md); }
.card-row { display: flex; align-items: center; justify-content: space-between; }
.card-row-top { margin-bottom: 6px; }
.card-number { font-weight: 600; font-family: ui-monospace, "SF Mono", monospace; font-size: 13px; }
.card-qty { font-weight: 500; color: var(--text-muted); font-size: 13px; }
.card-brands { color: var(--text-muted); font-size: 12px; margin-bottom: 6px; }
.card-dates {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 13px;
}
.date-plan { color: var(--text); }
.card-fact { color: var(--future); font-size: 12px; margin-top: 4px; }

/* ============ Badges + statuses ============ */
.badge {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 999px;
    font-weight: 600;
    white-space: nowrap;
}
.badge-overdue { background: var(--overdue-bg); color: var(--overdue); }
.badge-soon    { background: var(--soon-bg);    color: var(--soon); }
.badge-future  { background: var(--future-bg);  color: var(--future); }
.badge-done    { background: var(--done-bg);    color: var(--done); }

.card-overdue { border-left: 3px solid var(--overdue); }
.card-soon    { border-left: 3px solid var(--soon); }
.card-future  { border-left: 3px solid var(--border); }
.card-done    { opacity: 0.6; }

/* ============ Card title (article) button ============ */
.card-title-btn {
    background: none;
    border: none;
    padding: 0;
    text-align: left;
    width: 100%;
    cursor: pointer;
    display: block;
    margin-bottom: 8px;
}
.card-title-btn:hover .card-article { color: var(--primary); }
.card-article {
    display: block;
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    line-height: 1.2;
}
.card-article .card-brands {
    display: inline;
    background: var(--bg);
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 500;
    padding: 1px 6px;
    border-radius: 4px;
    margin-right: 4px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.card-line-name {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}
.card-supp-number {
    display: block;
    font-size: 12px;
    color: var(--text);
    font-family: ui-monospace, "SF Mono", monospace;
    margin-top: 4px;
    opacity: 0.85;
}

/* ============ Order detail modal ============ */
.order-modal {
    border: none;
    border-radius: 12px;
    padding: 0;
    width: min(900px, 92vw);
    max-height: 88vh;
    box-shadow: 0 12px 48px rgba(0,0,0,0.18);
}
.order-modal::backdrop { background: rgba(15,23,42,0.45); }
.modal-close {
    position: absolute;
    top: 12px;
    right: 16px;
    background: transparent;
    border: none;
    font-size: 28px;
    line-height: 1;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0;
}
.modal-close:hover { color: var(--text); }
.modal-body { padding: 32px 28px 24px; overflow-y: auto; max-height: 88vh; }
.modal-empty { padding: 40px; text-align: center; color: var(--text-muted); }
.detail-header { border-bottom: 1px solid var(--border); padding-bottom: 14px; margin-bottom: 16px; }
.detail-title { margin: 0 0 6px; font-size: 20px; font-family: ui-monospace, "SF Mono", monospace; }
.detail-subtitle { color: var(--text-muted); font-size: 13px; margin-top: 4px; }
.detail-meta { display: flex; gap: 16px; flex-wrap: wrap; font-size: 13px; color: var(--text); margin: 6px 0; }
.detail-section { margin-bottom: 20px; }
.detail-section h3 {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin: 0 0 8px 0;
    font-weight: 600;
}
.detail-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.detail-table th, .detail-table td {
    padding: 6px 10px;
    border-bottom: 1px solid var(--border);
    text-align: left;
}
.detail-table th { background: var(--surface-alt); font-weight: 600; }
.detail-table .num { text-align: right; font-variant-numeric: tabular-nums; }
.detail-table .ok { color: var(--future); font-weight: 600; }
.pivot-block { margin-bottom: 18px; }
.pivot-title {
    margin: 0 0 6px;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.pivot-articul { font-family: ui-monospace, "SF Mono", monospace; font-size: 14px; }
.pivot-total {
    background: var(--bg);
    color: var(--text-muted);
    font-size: 12px;
    padding: 2px 8px;
    border-radius: 999px;
    font-weight: 500;
}
.pivot-table tfoot .total-row td { background: var(--surface-alt); }
.pivot-table th .color-num {
    display: block;
    font-family: ui-monospace, "SF Mono", monospace;
    font-size: 12px;
    color: var(--text);
}
.pivot-table th .color-name {
    display: block;
    font-size: 10px;
    color: var(--text-muted);
    font-weight: 400;
    text-transform: lowercase;
    letter-spacing: 0;
    margin-top: 2px;
}
.muted { color: var(--text-muted); font-style: italic; }

/* ============ Card actions ============ */
.card-actions {
    margin-top: 10px;
    display: flex;
    align-items: center;
}
.inline-form { margin: 0; }
.btn-success {
    background: #047857;
    color: white;
    border-color: #047857;
}
.btn-success:hover { background: #036046; border-color: #036046; }
.done-banner {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--future-bg);
    color: var(--future);
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
}
.btn-link {
    background: transparent;
    border: none;
    color: var(--future);
    text-decoration: underline;
    cursor: pointer;
    font-size: 12px;
    padding: 0;
    font-family: inherit;
    opacity: 0.7;
}
.btn-link:hover { opacity: 1; }

/* ============ Packing list upload ============ */
.card-packing {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px dashed var(--border);
}
.packing-status { font-size: 12px; padding-bottom: 6px; }
.packing-done { color: var(--future); font-weight: 600; }
.packing-form-toggle summary {
    cursor: pointer;
    color: var(--primary);
    font-size: 12px;
    padding: 2px 0;
}
.packing-form-toggle summary:hover { text-decoration: underline; }
.packing-form {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 8px;
}
.packing-form input[type=file],
.packing-form textarea {
    font-size: 12px;
    padding: 6px;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-family: inherit;
}
.packing-form textarea { resize: vertical; }

/* ============ Buttons ============ */
.btn {
    display: inline-block;
    padding: 8px 16px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--surface);
    color: var(--text);
    font-size: 14px;
    cursor: pointer;
    text-decoration: none;
    font-family: inherit;
    transition: background 0.15s, border-color 0.15s;
}
.btn:hover { background: var(--surface-alt); }
.btn-primary {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}
.btn-primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); }
.btn-ghost { background: transparent; border-color: transparent; color: var(--text-muted); }
.btn-ghost:hover { color: var(--text); background: var(--surface-alt); }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-block { display: block; width: 100%; }

/* ============ Login ============ */
.login-wrap {
    min-height: calc(100vh - 60px);
    display: flex;
    align-items: center;
    justify-content: center;
}
.login-card {
    background: var(--surface);
    padding: 40px 36px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    width: 100%;
    max-width: 380px;
}
.login-title { margin: 0 0 4px 0; font-size: 22px; }
.login-sub { color: var(--text-muted); margin: 0 0 24px 0; font-size: 13px; }
.login-card label {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    margin: 12px 0 4px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.form-input {
    width: 100%;
    padding: 10px 12px;
    font-size: 14px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--surface);
    font-family: inherit;
}
.form-input:focus { outline: 2px solid var(--primary); outline-offset: -1px; }
.login-card button { margin-top: 18px; }

.field-error {
    color: var(--overdue);
    font-size: 12px;
    margin-top: 4px;
}

/* ============ Lists variant (tiles default) ============ */
.board-lists-tiles .column-body {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 8px;
}
.board-lists-tiles .card {
    padding: 10px 12px;
}
.board-lists-tiles .card-row-top { margin-bottom: 4px; }
.board-lists-tiles .card-dates { font-size: 12px; }

/* ============ Lists variant — table ============ */
.column-body-table { padding: 0; }
.stage-table { width: 100%; border-collapse: collapse; font-size: 15px; }
.stage-table thead th {
    background: var(--surface-alt);
    font-weight: 600;
    text-align: left;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 0.05em;
}
.stage-table tbody td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}
.stage-table tbody tr:hover { background: var(--surface-alt); }
.stage-table .num { text-align: right; font-variant-numeric: tabular-nums; font-weight: 500; }
.stage-table .mono {
    font-family: ui-monospace, "SF Mono", monospace;
    font-size: 14px;
    color: var(--text);
}
.stage-table .card-brands {
    background: var(--bg);
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.stage-table .row-overdue { background: var(--overdue-bg); }
.stage-table .row-overdue:hover { background: #fed7d7; }
.stage-table .row-soon { background: var(--soon-bg); }
.stage-table .row-soon:hover { background: #fde2a3; }
.stage-table .row-done { opacity: 0.55; }
.stage-table .link-btn {
    background: none;
    border: none;
    padding: 0;
    color: var(--primary);
    font-weight: 600;
    font-family: ui-monospace, "SF Mono", monospace;
    cursor: pointer;
    font-size: 16px;
}
.stage-table .link-btn:hover { text-decoration: underline; }
.stage-table .row-actions-col, .stage-table .row-upload-col { white-space: nowrap; }
.stage-table .badge { font-size: 13px; padding: 4px 10px; }
.stage-table .btn-sm { padding: 8px 14px; font-size: 14px; }
.stage-table .done-mark { color: var(--future); font-weight: 600; font-size: 13px; margin-right: 8px; }
.stage-table .btn-link { font-size: 13px; }
.stage-table .packing-done { color: var(--future); font-size: 13px; margin-right: 8px; font-weight: 600; }
.stage-table .packing-form-toggle { display: inline-block; }
.stage-table .packing-form-toggle summary { font-size: 14px; }
.stage-table .packing-form { margin-top: 8px; min-width: 240px; padding: 10px; background: var(--surface-alt); border-radius: 6px; }
.board-lists-table .column-header { padding: 18px 20px; }
.board-lists-table .column-title { font-size: 17px; }

/* ============ Kanban variant tweaks ============ */
.board-kanban .board-column { background: var(--surface-alt); }
.board-kanban .column-body { padding: 12px; }
.board-kanban .card { background: var(--surface); border-radius: 8px; }
.board-kanban .column-header { background: transparent; }

/* ============ Responsive ============ */
@media (max-width: 900px) {
    .board { grid-template-columns: 1fr; }
    .toolbar { flex-direction: column; align-items: stretch; }
    .toolbar-info { margin-left: 0; }
}