/* ============================================================
   DESIGN TOKENS
   ============================================================ */
:root {
    --bg:           #eef3fd;
    --surface:      #ffffff;
    --surface-2:    #f5f8ff;
    --border:       #dde6f5;
    --border-2:     #b8c9e8;

    --ink:          #1a2b42;
    --ink-2:        #4f6280;
    --ink-3:        #8fa3be;

    --primary:      #1a6bf5;
    --primary-dark: #1054cc;
    --primary-soft: #e8f0fe;

    --secondary:    #677d96;
    --warning:      #d97706;
    --warning-soft: #fef3c7;
    --ok:           #059669;
    --ok-soft:      #d1fae5;
    --danger:       #dc2626;
    --danger-soft:  #fee2e2;

    --r-sm:   8px;
    --r-md:   12px;
    --r-lg:   16px;
    --r-xl:   20px;
    --r-pill: 9999px;

    --shadow-sm: 0 1px 3px rgba(15,30,60,.07), 0 4px 12px rgba(15,30,60,.05);
    --shadow-md: 0 2px 8px rgba(15,30,60,.09), 0 8px 24px rgba(15,30,60,.08);
    --shadow-lg: 0 8px 32px rgba(15,30,60,.16);

    --touch: 44px;
}

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

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Montserrat", "Segoe UI", system-ui, -apple-system, sans-serif;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--ink);
    background: linear-gradient(160deg, #dce9ff 0%, var(--bg) 40%, #e8effc 100%);
    min-height: 100dvh;
}

/* ============================================================
   LAYOUT
   ============================================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 12px;
}

@media (min-width: 600px) {
    .container { padding: 20px; }
}

@media (min-width: 960px) {
    .container { padding: 28px 24px; }
}

/* ============================================================
   HEADER
   ============================================================ */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    padding: 12px 16px;
    margin-bottom: 16px;
    background: rgba(255,255,255,.96);
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 8px;
    z-index: 100;
    backdrop-filter: blur(8px);
}

.header h1 {
    margin: 0;
    font-size: clamp(1.05rem, 2.5vw, 1.35rem);
    font-weight: 800;
    letter-spacing: -0.01em;
    color: var(--ink);
}

.nav {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.nav a,
.btn {
    appearance: none;
    border: none;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-height: var(--touch);
    padding: 0 20px;
    border-radius: var(--r-pill);
    background: var(--primary);
    color: #fff;
    font: inherit;
    font-size: 0.88rem;
    font-weight: 700;
    cursor: pointer;
    white-space: nowrap;
    transition: background .15s, box-shadow .15s, transform .1s;
    -webkit-tap-highlight-color: transparent;
}

.nav a:hover,
.btn:hover {
    background: var(--primary-dark);
    box-shadow: 0 4px 16px rgba(26,107,245,.3);
}

.nav a:active,
.btn:active {
    transform: translateY(1px);
}

.btn.secondary {
    background: var(--secondary);
}

.btn.secondary:hover {
    background: #526070;
    box-shadow: 0 4px 16px rgba(100,125,150,.3);
}

.btn.warning {
    background: var(--warning);
}

.btn.warning:hover {
    background: #b45309;
    box-shadow: 0 4px 16px rgba(217,119,6,.3);
}

/* Loading state */
.btn[aria-busy="true"] {
    opacity: .7;
    pointer-events: none;
}

.btn[aria-busy="true"]::after {
    content: "";
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255,255,255,.45);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin .65s linear infinite;
    margin-left: 6px;
}

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

/* ============================================================
   ALERTS
   ============================================================ */
.alerts {
    display: grid;
    gap: 8px;
    margin-bottom: 16px;
}

.alert {
    margin: 0;
    padding: 12px 16px;
    border-radius: var(--r-md);
    border: 1px solid transparent;
    font-weight: 600;
    font-size: 0.92rem;
    animation: slide-down .22s ease;
}

.alert-success {
    background: var(--ok-soft);
    border-color: #6ee7b7;
    color: #065f46;
}

.alert-error {
    background: var(--danger-soft);
    border-color: #fca5a5;
    color: #991b1b;
}

@keyframes slide-down {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   CARD
   ============================================================ */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    padding: 16px;
    box-shadow: var(--shadow-sm);
}

@media (min-width: 600px) {
    .card { padding: 22px 24px; }
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 18px;
}

.status-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
}

.status-tab {
    padding: .5rem 1.1rem;
    border-radius: 999px;
    border: 1.5px solid var(--border);
    background: var(--surface);
    color: var(--text-secondary);
    font-size: .9rem;
    font-weight: 500;
    cursor: pointer;
    transition: background .15s, color .15s, border-color .15s;
}

.status-tab:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.status-tab.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

.card-header h2 {
    margin: 0;
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    font-weight: 800;
    letter-spacing: -0.01em;
}

.subtle {
    margin: 4px 0 0;
    font-size: 0.85rem;
    color: var(--ink-2);
    font-weight: 500;
}

/* ============================================================
   FILTERS PANEL
   ============================================================ */
.filters-panel {
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    margin-bottom: 18px;
    overflow: visible;
}

.filters-panel > summary {
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 14px 16px;
    cursor: pointer;
    font-weight: 700;
    font-size: 0.92rem;
    color: var(--ink);
    border-radius: var(--r-lg);
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.filters-panel > summary::-webkit-details-marker { display: none; }

.filters-panel > summary::after {
    content: "▾";
    font-size: 0.9rem;
    color: var(--ink-3);
    transition: transform .2s;
    flex-shrink: 0;
}

.filters-panel[open] > summary {
    border-bottom: 1px solid var(--border);
    border-radius: var(--r-lg) var(--r-lg) 0 0;
}

.filters-panel[open] > summary::after {
    transform: rotate(180deg);
}

.filters-form {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 16px;
}

@media (min-width: 560px) {
    .filters-form {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 900px) {
    .filters-form {
        grid-template-columns: repeat(3, 1fr);
    }
}

.filter-field {
    display: grid;
    gap: 6px;
}

.filter-field > span {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--ink-2);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* ============================================================
   FORM CONTROLS
   ============================================================ */
.filters-form input,
.filters-form select,
.work-form input[type="text"],
.work-form input[type="date"],
.work-form textarea {
    width: 100%;
    min-height: var(--touch);
    padding: 0 12px;
    border: 1.5px solid var(--border);
    border-radius: var(--r-md);
    background: var(--surface);
    color: var(--ink);
    font: inherit;
    font-size: 0.95rem;
    transition: border-color .15s, box-shadow .15s;
    -webkit-appearance: none;
    appearance: none;
}

.filters-form input[type="date"],
.work-form input[type="date"] {
    padding: 0 10px;
}

.filters-form input:focus,
.filters-form select:focus,
.work-form input:focus,
.work-form textarea:focus,
.multi-picker-summary:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26,107,245,.15);
}

.filters-form select {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1.5l5 5 5-5' stroke='%238fa3be' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

/* ============================================================
   MULTI-PICKER
   ============================================================ */
.multi-picker {
    position: relative;
    width: 100%;
}

.multi-picker[open] {
    z-index: 50;
}

.multi-picker-summary {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 6px;
    min-height: var(--touch);
    padding: 6px 12px;
    border: 1.5px solid var(--border);
    border-radius: var(--r-md);
    background: var(--surface);
    cursor: pointer;
    transition: border-color .15s, box-shadow .15s;
    -webkit-tap-highlight-color: transparent;
}

.multi-picker-summary::-webkit-details-marker { display: none; }

.multi-picker[open] .multi-picker-summary {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26,107,245,.15);
}

.multi-picker-summary::after {
    content: "▾";
    font-size: 0.8rem;
    color: var(--ink-3);
    margin-left: auto;
    flex-shrink: 0;
}

.multi-picker-label {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    align-items: center;
    flex: 1;
    min-width: 0;
    overflow: hidden;
    font-size: 0.9rem;
    color: var(--ink);
}

.picker-pill {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    background: var(--primary-soft);
    border: 1px solid #c2d4f5;
    border-radius: var(--r-pill);
    font-size: 0.74rem;
    font-weight: 700;
    color: #1a4da8;
    white-space: nowrap;
    max-width: 110px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.picker-pill-more {
    background: #dde9ff;
    border-style: dashed;
}

.multi-picker-options {
    display: none;
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    right: 0;
    z-index: 40;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-lg);
    padding: 6px;
    max-height: 240px;
    overflow-y: auto;
    overscroll-behavior: contain;
}

.multi-picker[open] .multi-picker-options {
    display: grid;
}

.multi-picker-search {
    grid-column: 1 / -1;
    width: 100%;
    box-sizing: border-box;
    padding: 6px 10px;
    margin-bottom: 4px;
    border: 1.5px solid var(--border);
    border-radius: var(--r-sm);
    font: inherit;
    font-size: 0.88rem;
    background: #fff;
    outline: none;
}

.multi-picker-search:focus {
    border-color: var(--primary);
}

.multi-picker-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border-radius: var(--r-sm);
    border: 1.5px solid transparent;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    transition: background .1s, border-color .1s;
    -webkit-tap-highlight-color: transparent;
}

.multi-picker-option:hover {
    background: var(--primary-soft);
}

/* Выбранный пункт — синяя рамка + голубой фон */
.multi-picker-option:has(input:checked) {
    background: var(--primary-soft);
    border-color: var(--primary);
    color: #1a4da8;
}

.multi-picker-option input[type="checkbox"] {
    width: 18px;
    height: 18px;
    min-height: 18px;
    margin: 0;
    accent-color: var(--primary);
    cursor: pointer;
    flex-shrink: 0;
}

/* ============================================================
   DATE RANGE
   ============================================================ */
.date-range {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
}

.date-sep {
    display: none;
}

/* ============================================================
   FILTERS ACTIONS
   ============================================================ */
.filters-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: flex-end;
    grid-column: 1 / -1;
}

.filters-actions .btn {
    flex: 1 1 130px;
    min-width: 0;
}

/* ============================================================
   WORKS LIST
   ============================================================ */
.works-list {
    display: grid;
    gap: 12px;
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--ink-2);
}

.empty-state-icon {
    font-size: 2.8rem;
    margin-bottom: 12px;
    opacity: .4;
}

.empty-state-text {
    font-size: 1rem;
    font-weight: 600;
}

/* ============================================================
   WORK ITEM CARD
   ============================================================ */
.work-item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: box-shadow .2s, border-color .2s;
}

.work-item:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--border-2);
}

.work-item-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
    padding: 14px 16px 12px;
    border-bottom: 1px solid var(--border);
}

.work-title {
    margin: 0;
    font-size: 0.98rem;
    font-weight: 700;
    word-break: break-word;
    line-height: 1.3;
}

/* ============================================================
   META GRID  (mobile: stacked, tablet+: side-by-side)
   ============================================================ */
.work-grid.work-meta-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 14px 16px;
}

@media (min-width: 480px) {
    .work-grid.work-meta-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px 20px;
    }
}

@media (min-width: 900px) {
    .work-grid.work-meta-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.meta-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.meta-item .label {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--ink-3);
    white-space: nowrap;
}

.meta-item .value {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--ink);
    overflow-wrap: anywhere;
}

/* General label (used outside meta-item) */
.label {
    color: var(--ink-3);
    font-weight: 700;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* ============================================================
   TAGS
   ============================================================ */
.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.tag {
    display: inline-flex;
    align-items: center;
    border-radius: var(--r-pill);
    border: 1px solid #c2d4f5;
    background: var(--primary-soft);
    color: #1a4da8;
    padding: 2px 9px;
    font-size: 0.76rem;
    font-weight: 700;
    line-height: 1.2;
}

/* ============================================================
   STATUS BADGE
   ============================================================ */
.status-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 26px;
    border-radius: var(--r-pill);
    padding: 3px 12px;
    font-size: 0.76rem;
    font-weight: 700;
    white-space: nowrap;
    border: 1px solid transparent;
    letter-spacing: 0.01em;
}

.status-in_progress {
    background: var(--primary-soft);
    color: #1a4da8;
    border-color: #c2d4f5;
}

.status-fitting {
    background: var(--warning-soft);
    color: #92400e;
    border-color: #fcd34d;
}

.status-done {
    background: var(--ok-soft);
    color: #065f46;
    border-color: #6ee7b7;
}

.status-paid {
    background: #fee2e2;
    color: #991b1b;
    border-color: #fca5a5;
}

/* ============================================================
   FORMULA — VIEW (list page, read-only)
   ============================================================ */
.formula-view {
    padding: 12px 16px;
    border-top: 1px solid var(--border);
}

.formula-view > .label {
    display: block;
    margin-bottom: 8px;
}

/* Scrollable wrapper */
.formula-scroll-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-x: contain;
    padding-bottom: 4px;
}

.formula-halves {
    display: grid;
    gap: 0;
    min-width: 300px; /* floor so cells never collapse to unreadable size */
}

.formula-half {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.formula-halves.line-between .formula-half:first-child,
.formula-halves.line-bottom  .formula-half:first-child {
    border-bottom: 3px solid #252a33;
}

.formula-halves.line-top .formula-half:first-child {
    border-top: 3px solid #252a33;
}

.quarter-card {
    padding: 4px;
}

.quarter-divider-right {
    border-right: 3px solid #252a33;
}

.formula-table {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
}

.formula-table td {
    border: 1px solid var(--border);
    text-align: center;
    padding: 4px 1px;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--ink-2);
    min-width: 0;
    height: 28px;
}

.formula-table td.active {
    background: #d8e8ff;
    color: #0a4ebf;
    font-weight: 800;
}

/* ============================================================
   FORMULA — INPUT (form page, interactive checkboxes)
   ============================================================ */
.formula-input-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.formula-input-halves {
    display: flex;
    align-items: stretch;
}

/* Зубная крестовина — занимает всё место кроме колонки ПС */
.formula-teeth-cross {
    flex: 1;
    min-width: 0;
    display: grid;
    gap: 0;
}

/* Один ряд (верхний или нижний) из двух четвертей */
.formula-jaw-teeth {
    display: grid;
    grid-template-columns: 1fr 1fr;
}

/* Колонка ПС рядом с крестовиной, без горизонтальной линии */
.formula-ps-col {
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* ПС-ячейка выравнивается по высоте ряда зубов */
.ps-inline--cell {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 4px 10px;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--ink-2);
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    min-width: 44px;
}

/* Пустой разделитель по высоте горизонтальной линии */
.ps-midline-gap {
    height: 3px;
    width: 100%;
}

.formula-midline {
    padding: 0;
}

.formula-midline::before {
    content: "";
    height: 3px;
    background: #252a33;
    display: block;
    width: 100%;
}

/* Input formula table cells — tall for touch */
/* NOTE: .formula-input is the <table> itself, so use compound selector */
.formula-table.formula-input td {
    height: 48px;
    padding: 2px 1px;
    vertical-align: middle;
}

.formula-input .tooth-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    width: 100%;
    height: 100%;
    cursor: pointer;
    font-weight: 600;
    color: var(--ink-2);
    font-size: 0.7rem;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
}

.formula-input .tooth-option:hover {
    background: var(--primary-soft);
}

.formula-input input[type="checkbox"] {
    width: 14px;
    height: 14px;
    min-height: 14px;
    margin: 0;
    accent-color: var(--primary);
    cursor: pointer;
    flex-shrink: 0;
}

/* Highlight the cell when checked */
.formula-table.formula-input td:has(input:checked) {
    background: #d8e8ff;
}

.formula-table.formula-input td:has(input:checked) .tooth-option {
    color: #0a4ebf;
    font-weight: 800;
}

/* On touch-only devices: hide native checkbox, make whole cell the tap target */
@media (hover: none) and (pointer: coarse) {
    .formula-input .tooth-option {
        gap: 2px;
    }

    .formula-input input[type="checkbox"] {
        position: absolute;
        width: 1px;
        height: 1px;
        opacity: 0;
        pointer-events: none;
    }

    .formula-table.formula-input td:has(input:checked) {
        outline: 2px solid var(--primary);
        outline-offset: -2px;
    }
}

.ps-inline {
    margin-top: 8px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--ink-2);
    font-weight: 700;
    font-size: 0.88rem;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.ps-inline input {
    width: 18px;
    height: 18px;
    min-height: 18px;
    margin: 0;
    accent-color: var(--primary);
    cursor: pointer;
    flex-shrink: 0;
}

.hint {
    margin: 0 0 10px;
    color: var(--ink-2);
    font-size: 0.88rem;
    font-weight: 500;
}

/* ============================================================
   FITTINGS
   ============================================================ */
.fittings-section {
    border-top: 1px solid var(--border);
    padding: 12px 16px;
    display: grid;
    gap: 12px;
}

.fittings-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.fittings-actions .btn {
    flex: 1 1 160px;
    min-width: 0;
}

.fitting-action-form {
    margin: 0;
    flex: 1 1 160px;
    min-width: 0;
}

.fitting-action-form .btn {
    width: 100%;
}

.fittings-history {
    display: grid;
    gap: 6px;
}

.fittings-history > .label {
    display: block;
    margin-bottom: 4px;
}

.fittings-list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 4px;
}

.fittings-list li {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 12px;
    font-size: 0.86rem;
    color: var(--ink-2);
    font-weight: 500;
    padding: 8px 10px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--r-sm);
}

.fittings-empty {
    margin: 0;
    font-size: 0.86rem;
    color: var(--ink-3);
    font-weight: 500;
}

/* ============================================================
   WORK FORM
   ============================================================ */
.work-form {
    display: grid;
    gap: 16px;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
    align-items: stretch; /* все ячейки одной строки одинаковой высоты */
}

@media (min-width: 500px) {
    .form-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Необязательное поле — только приглушённая метка */
.form-field--optional .field-label {
    color: var(--ink-3);
}

/* Звёздочка обязательного поля */
.req {
    color: var(--danger);
    font-style: normal;
}

.work-form fieldset {
    display: grid;
    gap: 6px;
}

.form-field {
    display: flex;
    flex-direction: column;
    justify-content: flex-end; /* инпут всегда у нижнего края ячейки */
    gap: 6px;
    font-weight: 700;
    font-size: 0.82rem;
    color: var(--ink-2);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.form-field input,
.form-field select,
.form-field textarea {
    width: 100%;
    min-height: var(--touch);
    padding: 0 12px;
    border: 1.5px solid var(--border);
    border-radius: var(--r-md);
    background: var(--surface);
    color: var(--ink);
    font: inherit;
    font-size: 0.95rem;
    font-weight: 500;
    text-transform: none;
    letter-spacing: 0;
    transition: border-color .15s, box-shadow .15s;
    -webkit-appearance: none;
    appearance: none;
}

.form-field input[type="date"] {
    padding: 0 10px;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26,107,245,.15);
}

.work-form fieldset {
    grid-column: 1 / -1;
    border: 1.5px solid var(--border);
    border-radius: var(--r-lg);
    padding: 14px;
    background: var(--surface-2);
}

.work-form legend {
    padding: 0 8px;
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--ink);
}

/* ============================================================
   TAG EDITOR
   ============================================================ */
.tag-editor {
    display: grid;
    gap: 8px;
}

.tag-editor-input-row {
    display: flex;
    gap: 8px;
}

.tag-editor-input-row input {
    flex: 1;
    min-height: var(--touch);
    padding: 0 12px;
    border: 1.5px solid var(--border);
    border-radius: var(--r-md);
    background: var(--surface);
    color: var(--ink);
    font: inherit;
    font-size: 0.95rem;
    font-weight: 500;
    transition: border-color .15s, box-shadow .15s;
}

.tag-editor-input-row input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26,107,245,.15);
}

.plus-btn {
    width: var(--touch);
    min-width: var(--touch);
    height: var(--touch);
    min-height: var(--touch);
    padding: 0;
    border-radius: var(--r-md);
    font-size: 1.4rem;
    line-height: 1;
    flex-shrink: 0;
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.tag-pill {
    cursor: pointer;
    transition: background .12s, transform .1s;
    font-size: 0.82rem;
    padding: 4px 10px;
}

.tag-pill:hover {
    background: #d0e4ff;
}

.tag-pill:active {
    transform: scale(.95);
}

/* ============================================================
   FORM ACTIONS
   ============================================================ */
.actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.actions .btn {
    flex: 1 1 140px;
    min-width: 0;
}

/* ============================================================
   DATE MODAL (bottom-sheet on mobile, dialog on desktop)
   ============================================================ */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(10,20,45,.5);
    display: none;
    align-items: flex-end;
    justify-content: center;
    z-index: 1200;
    backdrop-filter: blur(3px);
}

.modal-backdrop.open {
    display: flex;
}

.modal-card {
    width: 100%;
    min-width: 0;
    box-sizing: border-box;
    overflow: hidden;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-xl) var(--r-xl) 0 0;
    border-bottom: none;
    padding: 8px 20px 32px;
    box-shadow: var(--shadow-lg);
    transform: translateY(100%);
    transition: transform .28s cubic-bezier(.32,.72,0,1);
}

.modal-backdrop.open .modal-card {
    transform: translateY(0);
}

/* Sheet drag handle */
.modal-handle {
    width: 40px;
    height: 4px;
    background: var(--border-2);
    border-radius: 2px;
    margin: 0 auto 16px;
}

.modal-card h3 {
    margin: 0 0 14px;
    font-size: 1rem;
    font-weight: 700;
}

.modal-card input[type="date"] {
    display: block;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    min-height: 48px;
    margin-bottom: 16px;
    border: 1.5px solid var(--border);
    border-radius: var(--r-md);
    padding: 12px;
    line-height: 1.4;
    font: inherit;
    font-size: 1rem; /* prevents iOS auto-zoom */
    color: var(--ink);
    background: var(--surface);
    -webkit-appearance: none;
    appearance: none;
    transition: border-color .15s, box-shadow .15s;
}

.modal-card input[type="date"]:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26,107,245,.15);
}

.modal-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.modal-actions .btn {
    justify-content: center;
}

/* Desktop: centered dialog */
@media (min-width: 560px) {
    .modal-backdrop {
        align-items: center;
        padding: 20px;
    }

    .modal-card {
        width: min(440px, 100%);
        border-radius: var(--r-xl);
        border-bottom: 1px solid var(--border);
        padding: 20px;
        transform: none;
        transition: none;
    }

    .modal-backdrop.open .modal-card {
        animation: pop .18s ease;
        transform: none;
    }

    .modal-handle {
        display: none;
    }
}

@keyframes pop {
    from { transform: scale(.97) translateY(6px); opacity: .3; }
    to   { transform: scale(1) translateY(0); opacity: 1; }
}

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

/* Mobile nav: stretch buttons */
@media (max-width: 559px) {
    .nav {
        width: 100%;
    }

    .nav a {
        flex: 1;
        text-align: center;
    }

    .fittings-actions .btn,
    .fitting-action-form .btn,
    .actions .btn {
        width: 100%;
    }
}

/* Compact card on very small screens */
@media (max-width: 380px) {
    .card { padding: 12px; }
    .work-item-header { padding: 12px 12px 10px; }
    .work-grid.work-meta-grid { padding: 12px; }
    .formula-view { padding: 10px 12px; }
    .fittings-section { padding: 10px 12px; }
}

/* ============================================================
   AUTH
   ============================================================ */
.auth-card {
    max-width: 440px;
    margin: 40px auto;
}

.form-grid--single {
    grid-template-columns: 1fr !important;
}

.user-menu {
    position: relative;
}

.user-menu-dropdown {
    display: none;
    position: absolute;
    right: 0;
    top: calc(100% + 6px);
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    box-shadow: var(--shadow-sm);
    min-width: 120px;
    z-index: 200;
    overflow: hidden;
}

.user-menu-dropdown.open {
    display: block;
}

.user-menu-item {
    display: block;
    width: 100%;
    padding: 10px 16px;
    background: none;
    border: none;
    text-align: left;
    font: inherit;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--ink);
    cursor: pointer;
}

.user-menu-item:hover {
    background: var(--surface);
}