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

:root {
    --color-bg: #f5f6f8;
    --color-surface: #ffffff;
    --color-text: #1a1d21;
    --color-muted: #6b7280;
    --color-border: #d8dbe0;
    --color-primary: #1a5fb4;
    --color-primary-text: #ffffff;
    --color-danger: #b3261e;
    --color-danger-bg: #fdecea;
    --color-success: #1e6b3a;
    --color-success-bg: #e7f6ec;

    /* Soft, business-appropriate accents per operation type - never the
       only way to tell types apart, the Russian text label is always shown
       alongside these. Dark-on-light pairs, not saturated/alarming colours. */
    --color-issue-bg: #fbe7e6;
    --color-issue-text: #8f3527;
    --color-issue-accent: #c0503f;

    --color-receipt-bg: #e6f4ea;
    --color-receipt-text: #276237;
    --color-receipt-accent: #3f8f56;

    --color-return-bg: #eceafb;
    --color-return-text: #3c3b8f;
    --color-return-accent: #5b57c9;

    --color-adjustment-bg: #fdf3d9;
    --color-adjustment-text: #7a5b12;
    --color-adjustment-accent: #b8860b;
}

html {
    font-size: 16px;
}

body {
    margin: 0;
    background: var(--color-bg);
    color: var(--color-text);
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    line-height: 1.4;
}

.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
}

.app-title {
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--color-text);
    text-decoration: none;
}

.logout-form {
    margin: 0;
}

.link-button {
    background: none;
    border: none;
    color: var(--color-muted);
    font-size: 0.95rem;
    padding: 0.5rem;
    cursor: pointer;
}

.app-main {
    max-width: 480px;
    margin: 0 auto;
    padding: 1rem 1rem 3rem;
}

h1 {
    font-size: 1.4rem;
    margin: 0.5rem 0 1rem;
}

h2 {
    font-size: 1.1rem;
    margin: 1.5rem 0 0.75rem;
}

.current-user {
    color: var(--color-muted);
    margin-top: 0;
}

.messages {
    list-style: none;
    margin: 0 0 1rem;
    padding: 0;
}

.message {
    padding: 0.75rem 1rem;
    border-radius: 8px;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.message-success {
    background: var(--color-success-bg);
    color: var(--color-success);
}

.message-error {
    background: var(--color-danger-bg);
    color: var(--color-danger);
}

.actions {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    margin: 1rem 0;
}

.btn {
    display: block;
    width: 100%;
    min-height: 44px;
    padding: 0.65rem 1rem;
    font-size: 1rem;
    border-radius: 10px;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    color: var(--color-text);
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.btn-large {
    font-size: 1.05rem;
    font-weight: 600;
}

.btn-primary {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-primary-text);
}

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

/* Operation-semantic action buttons - deliberately NOT the old shared blue.
   Issue is the dashboard's main/primary action, so it gets a filled accent;
   Receipt/Return live in the secondary block and get a softer tinted style.
   Colour is never the only indicator - the button text label is always
   present alongside it. */
.btn-issue {
    background: var(--color-issue-accent);
    border-color: var(--color-issue-accent);
    color: #ffffff;
}

.btn-receipt {
    background: var(--color-receipt-bg);
    border-color: var(--color-receipt-accent);
    color: var(--color-receipt-text);
}

.btn-return {
    background: var(--color-return-bg);
    border-color: var(--color-return-accent);
    color: var(--color-return-text);
}

.btn-disabled,
.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.actions-secondary {
    margin: 1.5rem 0;
}

.actions-secondary summary {
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--color-muted);
    padding: 0.5rem 0.25rem;
    min-height: 44px;
    display: flex;
    align-items: center;
}

.actions-secondary .actions {
    margin-top: 0.5rem;
}

.recent-operations {
    margin-top: 2rem;
}

.operation-card-list {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.operation-card {
    display: block;
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-border);
    border-radius: 10px;
    padding: 0.75rem 0.85rem;
    background: var(--color-surface);
    color: var(--color-text);
    text-decoration: none;
}

.operation-card--issue { border-left-color: var(--color-issue-accent); }
.operation-card--receipt { border-left-color: var(--color-receipt-accent); }
.operation-card--return { border-left-color: var(--color-return-accent); }
.operation-card--adjustment { border-left-color: var(--color-adjustment-accent); }

.operation-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    font-size: 0.95rem;
}

.badge-type {
    display: inline-block;
    padding: 0.15rem 0.55rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
}

.badge-type--issue { background: var(--color-issue-bg); color: var(--color-issue-text); }
.badge-type--receipt { background: var(--color-receipt-bg); color: var(--color-receipt-text); }
.badge-type--return { background: var(--color-return-bg); color: var(--color-return-text); }
.badge-type--adjustment { background: var(--color-adjustment-bg); color: var(--color-adjustment-text); }

.kit-badge {
    display: inline-block;
    padding: 0.05rem 0.4rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    background: var(--color-bg);
    color: var(--color-muted);
    border: 1px solid var(--color-border);
    margin-right: 0.35rem;
    vertical-align: middle;
}

.operation-date {
    color: var(--color-muted);
    font-weight: 400;
}

.operation-context {
    margin-top: 0.2rem;
    font-size: 0.85rem;
    color: var(--color-muted);
}

.operation-lines-summary {
    margin-top: 0.4rem;
    font-size: 0.9rem;
}

.operation-author {
    margin-top: 0.4rem;
    font-size: 0.8rem;
    color: var(--color-muted);
}

/* Forms and single-record detail pages stay a comfortable reading width even
   when .app-main itself is wide on desktop - they must not stretch edge to
   edge on a large monitor. */
.form-page,
.detail-page {
    max-width: 640px;
}

.form-field {
    margin-bottom: 1rem;
}

.form-field label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.3rem;
}

input[type="text"],
input[type="password"],
input[type="date"],
input[type="number"],
select,
textarea {
    width: 100%;
    min-height: 44px;
    font-size: 16px;
    padding: 0.5rem 0.65rem;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background: var(--color-surface);
    color: var(--color-text);
    font-family: inherit;
}

textarea {
    min-height: 4.5rem;
    resize: vertical;
}

/* Placeholder text must read as an example, not as already-entered content:
   muted gray, not too light, no italic, clearly weaker than real input text
   (color-text) at every supported browser's default placeholder opacity. */
input::placeholder,
textarea::placeholder {
    color: var(--color-muted);
    opacity: 0.65;
    font-style: normal;
}

.field-errors {
    color: var(--color-danger);
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

.hint {
    color: var(--color-muted);
    font-size: 0.85rem;
}

.line-row {
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 0.85rem;
    margin-bottom: 0.75rem;
    background: var(--color-surface);
}

.form-field-quantity input {
    max-width: 10rem;
}

.btn-remove-line {
    width: auto;
    min-height: 38px;
    padding: 0.4rem 0.9rem;
    font-size: 0.9rem;
    color: var(--color-danger);
    border-color: var(--color-danger);
    background: var(--color-surface);
}

#add-line {
    margin-bottom: 1.25rem;
}

/* Operation detail */

.operation-id {
    color: var(--color-muted);
    font-size: 0.85rem;
    margin-top: -0.75rem;
}

.operation-summary {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.35rem 0.75rem;
    margin: 0 0 1.5rem;
}

.operation-summary dt {
    color: var(--color-muted);
    font-size: 0.85rem;
}

.operation-summary dd {
    margin: 0;
    font-size: 0.95rem;
}

.operation-lines {
    list-style: none;
    margin: 0 0 1.5rem;
    padding: 0;
}

.operation-lines li {
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.95rem;
}

/* Journal quick periods */

.quick-periods {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 0.75rem;
}

.chip {
    display: inline-flex;
    align-items: center;
    min-height: 36px;
    padding: 0.3rem 0.75rem;
    border-radius: 999px;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    color: var(--color-text);
    font-size: 0.85rem;
    text-decoration: none;
}

.chip-active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-primary-text);
}

/* Journal category segmented control - a plain set of GET links, no JS.
   Active state uses a neutral dark fill (not the operation-type colours and
   not blue), since Category is a navigation control, not an operation. */

.segmented-control {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 0.75rem;
}

.segment {
    display: inline-flex;
    align-items: center;
    min-height: 36px;
    padding: 0.3rem 0.9rem;
    border-radius: 8px;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    color: var(--color-text);
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
}

.segment-active {
    background: var(--color-text);
    border-color: var(--color-text);
    color: var(--color-surface);
}

/* Journal - muted (not hidden) non-matching lines when Category is the
   active line-level filter, so a mixed-category operation stays fully
   readable instead of losing context. */

.operation-line--muted {
    color: var(--color-muted);
    opacity: 0.6;
}

.operation-line-sep {
    color: var(--color-muted);
}

/* Journal - "Комплекты HYLA по партнёрам" partner summary */

.partner-summary {
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 0.85rem;
    margin-bottom: 1.5rem;
    background: var(--color-surface);
}

.partner-summary h2 {
    margin: 0 0 0.15rem;
}

.partner-summary-period {
    color: var(--color-muted);
    font-size: 0.85rem;
    margin-bottom: 0.75rem;
}

.partner-summary-grid {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.partner-card {
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 0.6rem 0.75rem;
}

.partner-name {
    font-weight: 700;
    margin-bottom: 0.3rem;
}

.partner-kit-list {
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: 0.9rem;
}

.partner-kit-list li {
    display: flex;
    justify-content: space-between;
    gap: 0.5rem;
    padding: 0.1rem 0;
}

.partner-kit-qty {
    font-weight: 600;
}

.partner-total {
    margin-top: 0.3rem;
    padding-top: 0.3rem;
    border-top: 1px dashed var(--color-border);
    font-weight: 700;
    display: flex;
    justify-content: space-between;
    gap: 0.5rem;
}

/* Filters (Stock / Journal) */

.filter-form {
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 0.85rem;
    margin-bottom: 1.5rem;
    background: var(--color-surface);
}

/* Stock */

.stock-list {
    list-style: none;
    margin: 0 0 1.5rem;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.stock-item {
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 0.7rem 0.85rem;
    background: var(--color-surface);
}

.stock-item-inactive {
    opacity: 0.75;
}

.stock-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
}

.stock-code {
    color: var(--color-muted);
    font-size: 0.85rem;
}

.stock-name {
    font-weight: 600;
    font-size: 0.95rem;
}

.stock-balance {
    margin-top: 0.2rem;
    font-size: 0.9rem;
}

.badge-inactive {
    font-size: 0.75rem;
    color: var(--color-danger);
    background: var(--color-danger-bg);
    border-radius: 6px;
    padding: 0.1rem 0.5rem;
    white-space: nowrap;
}

/* Pagination */

.pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

.pagination .btn {
    width: auto;
    flex: 0 0 auto;
}

.pagination-info {
    color: var(--color-muted);
    font-size: 0.85rem;
}

@media (min-width: 640px) {
    .app-main {
        max-width: 560px;
        padding-top: 2rem;
    }

    .actions {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .actions .btn {
        width: auto;
        flex: 1 1 auto;
    }
}

/* Desktop: controller/admin on a wide monitor. 360-430px mobile layout
   above is untouched below this breakpoint. */
@media (min-width: 900px) {
    .app-main {
        max-width: 900px;
        padding-top: 2rem;
    }

    .form-page,
    .detail-page {
        margin: 0 auto;
    }

    .actions {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 0.75rem;
    }

    .actions .btn {
        width: 100%;
    }

    .actions-secondary .actions {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }

    .filter-form {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 0 1rem;
        align-items: start;
    }

    .filter-form button[type="submit"] {
        grid-column: 1 / -1;
        width: auto;
        justify-self: start;
        margin-top: 0.25rem;
    }

    .stock-list {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
        gap: 0.6rem;
    }

    .operation-card-list {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
        gap: 0.6rem;
    }

    .partner-summary-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
        gap: 0.6rem;
    }

    .pagination {
        max-width: 640px;
    }
}