/* Component styles (PLAT-056). Tokens only; logical properties only. */

.icon {
    inline-size: 1.125rem;
    block-size: 1.125rem;
    flex: none;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* Directional icons (chevrons, arrows) mirror in right-to-left. */
.icon-directional:dir(rtl) {
    transform: scaleX(-1);
}

/* Buttons: one filled (primary, blue) button per view; the rest are quiet. Hover, press and focus are
   short and understated: a colour shift, a 1px press, and a soft focus ring next to the outline. */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--sp-2);
    min-block-size: var(--control-h);
    padding-inline: var(--sp-4);
    border: 0;
    border-radius: var(--radius-md);
    font: var(--fw-semibold) var(--fs-small)/1 var(--font-sans);
    white-space: nowrap;
    cursor: pointer;
    text-decoration: none;
    transition: background-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease),
        box-shadow var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease), opacity var(--dur-fast) var(--ease);
}

.btn:active:not(:disabled) {
    transform: translateY(1px);
}

.btn:focus-visible {
    outline: 2px solid var(--c-focus);
    outline-offset: 2px;
    box-shadow: 0 0 0 5px var(--c-focus-ring);
}

.btn-primary {
    background: var(--c-action);
    color: var(--c-action-text);
    box-shadow: var(--shadow-xs), inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.btn-primary:hover:not(:disabled) {
    background: var(--c-action-hover);
}

.btn-primary:active:not(:disabled) {
    background: var(--c-action-pressed);
}

.btn-secondary {
    background: var(--c-surface);
    color: var(--c-text);
    box-shadow: inset 0 0 0 1px var(--c-border-strong), var(--shadow-xs);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--c-surface-hover);
}

.btn-danger {
    background: var(--c-danger);
    color: var(--c-danger-text);
}

.btn-danger:hover:not(:disabled) {
    background: var(--c-danger-hover);
}

.btn-ghost {
    background: transparent;
    color: var(--c-link);
}

.btn-ghost:hover:not(:disabled) {
    background: var(--c-accent-soft);
}

.btn-large {
    min-block-size: var(--control-h-lg);
    padding-inline: var(--sp-5);
    border-radius: var(--radius-lg);
    font-size: var(--fs-lead);
}

.btn-small {
    position: relative;
    min-block-size: var(--control-h-sm);
    padding-inline: var(--sp-3);
    border-radius: var(--radius-sm);
    font-size: var(--fs-caption);
}

/* Touch: a compact button still takes a 44x44 tap. The invisible ::after grows the hit area only
   where the button is smaller than --touch-min (percentages are of the button itself), so wide
   buttons are unchanged. Layouts space neighbouring compact buttons so these areas never overlap.
   This applies to every pointer, not only (pointer: coarse): hybrid touch + mouse screens get it. */
.btn-small::after {
    content: "";
    position: absolute;
    inset-block: min(0px, calc((100% - var(--touch-min)) / 2));
    inset-inline: min(0px, calc((100% - var(--touch-min)) / 2));
}

/* A square button holding only an icon; its name is in aria-label or visually hidden text. */
.btn-icon {
    padding-inline: 0;
    min-inline-size: var(--control-h);
}

.btn-small.btn-icon {
    min-inline-size: var(--control-h-sm);
    padding-inline: 0;
}

.btn-small .icon {
    inline-size: 1rem;
    block-size: 1rem;
}

/* Quiet icon actions inside dense rows: neutral until hovered. */
.btn-ghost.btn-quiet {
    color: var(--c-text-tertiary);
}

.btn-ghost.btn-quiet:hover:not(:disabled) {
    background: var(--c-surface-hover);
    color: var(--c-text);
}

.btn-ghost.btn-quiet-danger:hover:not(:disabled) {
    background: var(--c-danger-soft);
    color: var(--c-danger-soft-text);
}

.btn:disabled {
    cursor: not-allowed;
}

.btn:disabled:not([aria-busy="true"]) {
    background: var(--c-surface-sunken);
    color: var(--c-text-tertiary);
    box-shadow: none;
}

.btn-ghost:disabled:not([aria-busy="true"]) {
    background: transparent;
    opacity: 0.6;
}

.btn[aria-busy="true"] {
    opacity: 0.75;
    cursor: progress;
}

.spinner {
    inline-size: 0.875rem;
    block-size: 0.875rem;
    border: 2px solid currentColor;
    border-block-start-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Reduced motion: no rotation; the ring stays as a static busy indicator (the button also has aria-busy). */
@media (prefers-reduced-motion: reduce) {
    .spinner {
        animation: none;
    }
}

.btn-reason {
    display: block;
    margin-block-start: var(--sp-1);
    font-size: var(--fs-caption);
    color: var(--c-text-tertiary);
}

/* Fields: a hairline border that darkens on hover and turns blue with a soft ring on focus. */
.field {
    display: flex;
    flex-direction: column;
    gap: var(--sp-1);
}

.field-label {
    font-size: var(--fs-caption);
    font-weight: var(--fw-medium);
    color: var(--c-text-secondary);
}

.field-control {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    min-block-size: var(--control-h);
    padding-inline: var(--sp-3);
    border-radius: var(--radius-md);
    background: var(--c-surface);
    box-shadow: inset 0 0 0 1px var(--c-control-border), var(--shadow-xs);
    transition: box-shadow var(--dur-fast) var(--ease);
}

.field-control:hover {
    box-shadow: inset 0 0 0 1px var(--c-text-tertiary), var(--shadow-xs);
}

.field-control:focus-within {
    box-shadow: inset 0 0 0 1.5px var(--c-focus), 0 0 0 4px var(--c-focus-ring);
}

.field-invalid .field-control {
    box-shadow: inset 0 0 0 1.5px var(--c-danger);
}

.field-invalid .field-control:focus-within {
    outline: 2px solid var(--c-focus);
    outline-offset: 2px;
}

.field-control input {
    flex: 1;
    align-self: stretch;
    min-inline-size: 0;
    padding: 0;
    border: 0;
    outline: 0;
    background: transparent;
    color: var(--c-text);
    font: var(--fw-regular) var(--fs-body) var(--font-sans);
    font-variant-numeric: tabular-nums;
}

.field-control input::placeholder {
    color: var(--c-text-tertiary);
}

.field-control input:disabled {
    cursor: not-allowed;
}

.field-ltr input {
    direction: ltr;
    text-align: end;
}

.field-affix {
    color: var(--c-text-tertiary);
    font-size: var(--fs-small);
}

.field-hint {
    font-size: var(--fs-caption);
    color: var(--c-text-tertiary);
}

.field-error {
    font-size: var(--fs-caption);
    color: var(--c-danger-soft-text);
}

/* The scan field: the primary input of the POS. Taller and rounder than a normal field, with the
   barcode icon in a soft blue tile that turns solid while the field has focus (ready to scan). */
.field-barcode .field-control {
    min-block-size: var(--control-h-lg);
    padding-inline: var(--sp-2) var(--sp-3);
    gap: var(--sp-3);
    border-radius: var(--radius-lg);
}

.field-barcode-icon {
    display: inline-grid;
    cursor: text;
    flex: none;
    place-items: center;
    inline-size: 2.25rem;
    block-size: 2.25rem;
    border-radius: var(--radius-sm);
    background: var(--c-accent-soft);
    color: var(--c-accent-soft-text);
    transition: background-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}

.field-barcode .field-control:focus-within .field-barcode-icon {
    background: var(--c-accent);
    color: var(--c-accent-text);
}

.field-barcode input {
    font-family: var(--font-mono);
    font-size: var(--fs-lead);
}

.field-barcode input::placeholder {
    font-family: var(--font-sans);
    font-size: var(--fs-body);
}

.field-barcode:dir(rtl) input:placeholder-shown {
    direction: rtl;
    text-align: start;
}

.field-barcode input:disabled {
    color: var(--c-text-tertiary);
}

/* Lookup (scan or search) field: the scan field plus a compact suggestion list under it. */
.lookup {
    position: relative;
}

.lookup-spinner {
    flex: none;
    color: var(--c-text-tertiary);
}

.lookup-popup {
    position: absolute;
    inset-block-start: calc(100% + var(--sp-1));
    inset-inline: 0;
    z-index: 25;
    overflow: hidden;
    border-radius: var(--radius-lg);
    background: var(--c-surface);
    box-shadow: var(--shadow-overlay);
    animation: rise-in var(--dur-fast) var(--ease);
}

.lookup-popup[hidden] {
    display: none;
}

.lookup-list {
    max-block-size: min(22rem, 50vh);
    margin: 0;
    padding: var(--sp-1);
    overflow-y: auto;
    list-style: none;
}

.lookup-list:empty {
    display: none;
}

.lookup-option {
    display: flex;
    touch-action: manipulation;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-4);
    min-block-size: var(--control-h-lg);
    padding: var(--sp-2) var(--sp-3);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background-color var(--dur-fast) var(--ease);
}

.lookup-option:hover {
    background: var(--c-surface-hover);
}

.lookup-option-active,
.lookup-option-active:hover {
    background: var(--c-accent-soft);
    box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--c-accent) 25%, transparent);
}

.lookup-item-main {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-inline-size: 0;
}

.lookup-item-name {
    overflow: hidden;
    color: var(--c-text);
    font-weight: var(--fw-semibold);
    text-overflow: ellipsis;
    white-space: nowrap;
}

.lookup-item-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--sp-1) var(--sp-2);
    color: var(--c-text-tertiary);
    font-size: var(--fs-caption);
}

.lookup-tag {
    padding: 0 var(--sp-2);
    border-radius: var(--radius-pill);
    background: var(--c-surface-sunken);
    color: var(--c-text-secondary);
    font-size: 0.75rem;
    font-weight: var(--fw-medium);
}

.lookup-item-side {
    display: flex;
    flex: none;
    flex-direction: column;
    align-items: flex-end;
    gap: 2px;
    font-variant-numeric: tabular-nums;
}

.lookup-item-side .amount {
    color: var(--c-text);
}

.lookup-stock {
    color: var(--c-success-soft-text);
    font-size: var(--fs-caption);
}

.lookup-stock-out {
    color: var(--c-danger-soft-text);
}

.lookup-footer {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-1) var(--sp-4);
    padding: var(--sp-2) var(--sp-3);
    border-block-start: 1px solid var(--c-border);
    background: var(--c-surface-subtle);
    color: var(--c-text-tertiary);
    font-size: var(--fs-caption);
}

.lookup-footer kbd {
    min-inline-size: 1.25rem;
    margin-inline-end: 2px;
    padding: 0 0.25rem;
    font-size: 0.6875rem;
}

/* Segmented control (filters, short choices). */
.segmented {
    display: inline-flex;
    gap: 2px;
    padding: 3px;
    border-radius: var(--radius-md);
    background: var(--c-surface-sunken);
}

.segmented button {
    min-block-size: var(--control-h);
    padding-inline: var(--sp-4);
    border: 0;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--c-text);
    font: var(--fw-regular) var(--fs-small) var(--font-sans);
    cursor: pointer;
}

.segmented button[aria-pressed="true"] {
    background: var(--c-surface);
    font-weight: var(--fw-semibold);
    box-shadow: var(--shadow-raised);
}

/* Status chips: colour is never the only signal; the text says the status. */
.chip {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-1);
    padding-block: 0.25rem;
    padding-inline: 0.625rem;
    border-radius: var(--radius-pill);
    font-size: var(--fs-small);
    font-weight: var(--fw-medium);
    background: var(--c-surface-sunken);
    color: var(--c-text);
    white-space: nowrap;
}

.chip-info {
    background: var(--c-accent-soft);
    color: var(--c-accent-soft-text);
}

.chip-warning {
    background: var(--c-warning-soft);
    color: var(--c-warning-soft-text);
}

.chip-success {
    background: var(--c-success-soft);
    color: var(--c-success-soft-text);
}

.chip-done {
    background: var(--c-success);
    color: var(--c-success-text);
}

.chip-active {
    background: var(--c-accent);
    color: var(--c-accent-text);
}

.chip-testing {
    background: var(--c-purple-soft);
    color: var(--c-purple-soft-text);
}

.chip-danger {
    background: var(--c-danger-soft);
    color: var(--c-danger-soft-text);
}

.chip-outline {
    background: transparent;
    box-shadow: inset 0 0 0 1px var(--c-border-strong);
    color: var(--c-text-secondary);
}

/* Data table: dense or comfortable rows, keyboard navigation; the header sticks inside a scrollable wrap. */
.table-wrap {
    overflow: auto;
    border-radius: var(--radius-md);
    background: var(--c-surface);
    box-shadow: var(--shadow-card);
}

.table-wrap-scroll {
    max-block-size: min(70vh, 40rem);
}

.data-table {
    inline-size: 100%;
    border-collapse: collapse;
    font-size: var(--fs-small);
    font-variant-numeric: tabular-nums;
}

.data-table caption {
    text-align: start;
    padding: var(--sp-3);
    font-weight: var(--fw-semibold);
}

.data-table th {
    position: sticky;
    inset-block-start: 0;
    padding-block: var(--sp-2);
    padding-inline: var(--sp-3);
    text-align: start;
    font-size: var(--fs-caption);
    font-weight: var(--fw-medium);
    color: var(--c-text-tertiary);
    background: var(--c-surface-subtle);
    box-shadow: inset 0 -1px 0 var(--c-border);
}

.data-table td {
    height: var(--control-h);
    padding-block: var(--sp-2);
    padding-inline: var(--sp-3);
    border-block-start: 1px solid var(--c-border);
}

.data-table tbody tr:first-child td {
    border-block-start: 0;
}

.data-table-comfortable td {
    padding-block: var(--sp-3);
    padding-inline: var(--sp-4);
    font-size: var(--fs-body);
}

/* Numbers are left-to-right in both languages, so numeric columns lay out left-to-right and line up
   on the same edge (decimal points under each other, under the header) in Arabic and English. */
.data-table .num {
    direction: ltr;
    text-align: end;
}

.data-table tbody tr {
    transition: background-color var(--dur-fast) var(--ease);
}

.data-table tbody tr[tabindex]:hover {
    background: var(--c-surface-subtle);
}

.data-table tbody tr[tabindex]:focus-visible {
    outline: 2px solid var(--c-focus);
    outline-offset: -2px;
}

.data-table tbody tr[tabindex]:focus-visible {
    background: var(--c-accent-soft);
}

.data-table tbody tr[tabindex]:focus-visible td:first-child {
    position: relative;
}

.data-table tbody tr[tabindex]:focus-visible td:first-child::before {
    content: "";
    position: absolute;
    inset-block: 0;
    inset-inline-start: 0;
    inline-size: 3px;
    background: var(--c-selection-indicator);
}

/* Dialog / sheet. */
.dialog-backdrop {
    position: fixed;
    inset: 0;
    z-index: 900;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--sp-4);
    background: var(--c-overlay);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
    animation: fade-in var(--dur) var(--ease);
}

.dialog {
    inline-size: min(36rem, 100%);
    max-block-size: 100%;
    display: flex;
    flex-direction: column;
    border-radius: var(--radius-lg);
    background: var(--c-surface-translucent);
    -webkit-backdrop-filter: blur(30px);
    backdrop-filter: blur(30px);
    box-shadow: var(--shadow-overlay);
    animation: rise-in var(--dur) var(--ease);
}

.dialog:focus {
    outline: none;
}

.dialog-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-3);
    padding: var(--sp-5) var(--sp-5) var(--sp-3);
}

.dialog-title {
    margin: 0;
    font-size: var(--fs-section);
    font-weight: var(--fw-semibold);
}

.dialog-body {
    padding-inline: var(--sp-5);
    padding-block: var(--sp-2);
    overflow: auto;
}

.dialog-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--sp-2);
    padding: var(--sp-4) var(--sp-5) var(--sp-5);
}

@keyframes fade-in {
    from {
        opacity: 0;
    }
}

@keyframes rise-in {
    from {
        opacity: 0;
        transform: translateY(8px) scale(0.98);
    }
}

/* Toasts: short, dark, out of the way. Notices dismiss themselves; errors stay until dismissed. */
.toasts {
    position: fixed;
    inset-block-end: var(--sp-4);
    inset-inline: var(--sp-4);
    z-index: 950;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--sp-2);
    pointer-events: none;
}

.toast-region {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--sp-2);
}

.toast {
    pointer-events: auto;
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    max-inline-size: 28rem;
    padding: var(--sp-3) var(--sp-4);
    border-radius: var(--radius-lg);
    background: var(--c-toast);
    color: var(--c-toast-text);
    font-size: var(--fs-small);
    box-shadow: var(--shadow-overlay);
    animation: rise-in var(--dur) var(--ease);
}

.toast-danger .icon {
    color: var(--c-toast-danger-icon);
}

.toast-success .icon {
    color: var(--c-toast-success-icon);
}

.toast button {
    min-inline-size: var(--control-h);
    min-block-size: var(--control-h);
    border: 0;
    background: transparent;
    color: inherit;
    font: var(--fw-semibold) var(--fs-small) var(--font-sans);
    cursor: pointer;
    text-decoration: underline;
}

/* State panels: empty, loading, error, no permission. */
.panel {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--sp-2);
    padding: var(--sp-6) var(--sp-5);
    border-radius: var(--radius-lg);
    background: var(--c-surface-sunken);
    text-align: center;
}

.panel .icon {
    inline-size: 1.75rem;
    block-size: 1.75rem;
    color: var(--c-text-tertiary);
}

.panel-title {
    margin: 0;
    font-size: var(--fs-body);
    font-weight: var(--fw-semibold);
}

.panel-text {
    margin: 0;
    font-size: var(--fs-small);
    color: var(--c-text-secondary);
}

.panel-error {
    background: var(--c-danger-soft);
}

.panel-error .icon {
    color: var(--c-danger-soft-text);
}

.skeleton {
    inline-size: 100%;
    max-inline-size: 20rem;
    block-size: 0.75rem;
    border-radius: var(--radius-sm);
    background: var(--c-border);
    animation: pulse 1.4s var(--ease) infinite;
}

.skeleton:nth-child(2) {
    inline-size: 70%;
}

.skeleton:nth-child(3) {
    inline-size: 85%;
}

@keyframes pulse {
    50% {
        opacity: 0.45;
    }
}

@media (prefers-reduced-motion: reduce) {
    .skeleton {
        animation: none;
    }
}

/* Page header: the one h1, with its actions. */
.page-header {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: var(--sp-3);
    margin-block-end: var(--sp-5);
}

.page-header h1 {
    margin: 0;
    font-size: var(--fs-title);
    font-weight: var(--fw-bold);
    letter-spacing: -0.3px;
}

.page-header .subtitle {
    margin: 0;
    font-size: var(--fs-small);
    color: var(--c-text-secondary);
}

.page-header .actions {
    margin-inline-start: auto;
    display: flex;
    gap: var(--sp-2);
}

/* Numbers and codes that must stay left-to-right inside Arabic text. */
.mono {
    font-family: var(--font-mono);
    direction: ltr;
    unicode-bidi: isolate;
    white-space: nowrap;
}

.amount {
    font-variant-numeric: tabular-nums;
    font-weight: var(--fw-bold);
}

.kbd,
kbd {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-inline-size: 1.5rem;
    padding: 0.125rem 0.375rem;
    border-radius: 0.375rem;
    background: var(--c-surface-sunken);
    box-shadow: inset 0 0 0 1px var(--c-border), inset 0 -1px 0 var(--c-border-strong);
    color: var(--c-text-secondary);
    font: var(--fw-medium) var(--fs-caption)/1.2 var(--font-mono);
}

.visually-hidden {
    position: absolute;
    inline-size: 1px;
    block-size: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
    border: 0;
}

.btn-with-reason {
    display: inline-flex;
    flex-direction: column;
    align-items: flex-start;
}

.btn-with-reason-block {
    display: flex;
    align-items: stretch;
}

.btn-block {
    display: flex;
    inline-size: 100%;
}