/**
 * CryptoSlate Design System production primitives.
 *
 * This stylesheet is a mixed-maturity, namespaced production API. The base,
 * primary, quiet, and icon action contracts plus the field-control subset,
 * field label, and feedback base are approved. Action extensions, field help,
 * feedback modifiers, direction, and spinner helpers remain provisional. See
 * docs/design-system/tokens.md for the authoritative selector-level matrix.
 * The v0.8 Contact adopter supplied the approved label and feedback-base
 * evidence; its textarea use is a reviewed pilot, not a stable expansion.
 * It is loaded only when a consumer explicitly requests the
 * cryptoslate-design-primitives handle. Composition and page-specific layout
 * do not belong here.
 */

.cs-ui-button {
    display: inline-flex;
    box-sizing: border-box;
    min-height: var(--cs-control-height);
    align-items: center;
    justify-content: center;
    gap: var(--cs-space-2);
    padding: var(--cs-space-3) var(--cs-control-padding-inline);
    border: 1px solid transparent;
    border-radius: var(--cs-radius-small);
    font-family: var(--cs-font-family-ui);
    font-size: var(--cs-font-size-control);
    font-weight: var(--cs-font-weight-strong);
    line-height: var(--cs-line-height-control);
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition:
        color var(--cs-duration-default) var(--cs-ease-standard),
        background-color var(--cs-duration-default) var(--cs-ease-standard),
        border-color var(--cs-duration-default) var(--cs-ease-standard),
        box-shadow var(--cs-duration-default) var(--cs-ease-standard),
        opacity var(--cs-duration-fast) var(--cs-ease-standard),
        transform var(--cs-duration-fast) var(--cs-ease-standard);
    -webkit-appearance: none;
    appearance: none;
}

.cs-ui-button--primary {
    border-color: var(--cs-color-action);
    background: var(--cs-color-action);
    box-shadow: var(--cs-shadow-action);
    color: var(--cs-color-on-action);
}

.cs-ui-button--primary:hover {
    border-color: var(--cs-color-action-hover);
    background: var(--cs-color-action-hover);
    transform: translateY(-1px);
}

.cs-ui-button--primary:active {
    box-shadow: none;
    transform: translateY(1px);
}

.cs-ui-button--secondary {
    border-color: var(--cs-color-border-strong);
    background: var(--cs-color-surface);
    color: var(--cs-color-text-strong);
}

.cs-ui-button--secondary:hover {
    border-color: var(--cs-color-action);
    background: var(--cs-color-action-soft);
    color: var(--cs-color-action-hover);
}

.cs-ui-button--quiet {
    min-height: var(--cs-control-height-compact);
    padding-inline: var(--cs-space-1);
    border-color: transparent;
    background: transparent;
    box-shadow: none;
    color: var(--cs-color-action-hover);
}

.cs-ui-button--quiet:hover {
    color: var(--cs-color-action);
}

.cs-ui-button--icon {
    width: var(--cs-control-height);
    min-width: var(--cs-control-height);
    padding: 0;
}

.cs-ui-button--round {
    border-radius: var(--cs-radius-round);
}

.cs-ui-button--success {
    border-color: var(--cs-color-positive);
    background: var(--cs-color-positive);
    color: var(--cs-color-on-positive);
}

.cs-ui-button--error {
    border-color: var(--cs-color-negative);
    background: var(--cs-color-negative);
    color: var(--cs-color-on-negative);
}

.cs-ui-button:hover {
    text-decoration: none;
}

.cs-ui-button:focus-visible,
.cs-ui-input:focus-visible,
.cs-ui-input-shell:focus-within {
    outline: var(--cs-focus-width) solid var(--cs-color-focus);
    outline-offset: var(--cs-focus-offset);
}

.cs-ui-button[disabled],
.cs-ui-button[aria-disabled="true"] {
    border-color: var(--cs-color-border);
    background: var(--cs-color-surface-muted);
    box-shadow: none;
    color: var(--cs-color-text-faint);
    cursor: not-allowed;
    opacity: 0.72;
    transform: none;
}

.cs-ui-button[aria-busy="true"] {
    cursor: progress;
}

.cs-ui-field {
    display: grid;
    gap: var(--cs-space-2);
    min-width: 0;
}

.cs-ui-label {
    color: var(--cs-color-text-strong);
    font-family: var(--cs-font-family-ui);
    font-size: var(--cs-font-size-control);
    font-weight: var(--cs-font-weight-strong);
    line-height: 1.35;
}

.cs-ui-help {
    color: var(--cs-color-text-muted);
    font-family: var(--cs-font-family-ui);
    font-size: var(--cs-font-size-meta);
    line-height: 1.5;
}

.cs-ui-input-shell {
    display: grid;
    box-sizing: border-box;
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: var(--cs-space-2);
    align-items: center;
    min-width: 0;
    min-height: var(--cs-control-height);
    padding: var(--cs-space-1);
    padding-left: var(--cs-space-3);
    border: 1px solid var(--cs-color-control-border);
    border-radius: var(--cs-radius-medium);
    background: var(--cs-color-surface-subtle);
    color: var(--cs-color-text-muted);
    transition:
        background-color var(--cs-duration-default) var(--cs-ease-standard),
        border-color var(--cs-duration-default) var(--cs-ease-standard),
        box-shadow var(--cs-duration-default) var(--cs-ease-standard);
}

.cs-ui-input-shell:focus-within {
    border-color: var(--cs-color-action);
    background: var(--cs-color-surface);
}

.cs-ui-input-shell--error,
.cs-ui-input-shell:has(> .cs-ui-input[aria-invalid="true"]) {
    border-color: var(--cs-color-negative);
    color: var(--cs-color-negative);
}

.cs-ui-input {
    box-sizing: border-box;
    width: 100%;
    min-width: 0;
    min-height: var(--cs-control-height);
    padding: var(--cs-space-3);
    border: 1px solid var(--cs-color-control-border);
    border-radius: var(--cs-radius-small);
    background: var(--cs-color-surface-subtle);
    color: var(--cs-color-text-strong);
    font-family: var(--cs-font-family-ui);
    font-size: var(--cs-font-size-control);
    line-height: var(--cs-line-height-control);
    transition:
        background-color var(--cs-duration-default) var(--cs-ease-standard),
        border-color var(--cs-duration-default) var(--cs-ease-standard),
        box-shadow var(--cs-duration-default) var(--cs-ease-standard);
}

.cs-ui-input::placeholder {
    color: var(--cs-color-text-muted);
    opacity: 1;
}

.cs-ui-input[readonly] {
    cursor: default;
}

.cs-ui-input[disabled] {
    background: var(--cs-color-surface-muted);
    color: var(--cs-color-text-faint);
    cursor: not-allowed;
}

.cs-ui-input[aria-invalid="true"] {
    border-color: var(--cs-color-negative);
}

.cs-ui-input-shell > .cs-ui-input {
    min-height: var(--cs-control-height-compact);
    padding: var(--cs-space-2) 0;
    border: 0;
    border-radius: 0;
    outline: 0;
    background: transparent;
}

.cs-ui-input-shell > .cs-ui-input:focus,
.cs-ui-input-shell > .cs-ui-input:focus-visible {
    outline: 0;
    outline-offset: 0;
    box-shadow: none;
}

.cs-ui-input-shell > .cs-ui-button--icon {
    width: var(--cs-control-height-compact);
    min-width: var(--cs-control-height-compact);
    min-height: var(--cs-control-height-compact);
    border-radius: var(--cs-radius-small);
}

.cs-ui-feedback {
    display: flex;
    box-sizing: border-box;
    min-height: var(--cs-control-height);
    align-items: center;
    gap: var(--cs-space-3);
    padding: var(--cs-space-3);
    border: 1px solid var(--cs-color-border);
    border-radius: var(--cs-radius-small);
    background: var(--cs-color-surface-subtle);
    color: var(--cs-color-text-muted);
    font-family: var(--cs-font-family-ui);
    font-size: var(--cs-font-size-meta);
    font-weight: var(--cs-font-weight-strong);
    line-height: 1.45;
}

.cs-ui-feedback--success {
    border-color: color-mix(
        in srgb,
        var(--cs-color-positive) 28%,
        var(--cs-color-border)
    );
    background: var(--cs-color-positive-soft);
    color: var(--cs-color-positive);
}

.cs-ui-feedback--warning {
    border-color: color-mix(
        in srgb,
        var(--cs-color-warning) 30%,
        var(--cs-color-border)
    );
    background: var(--cs-color-warning-soft);
    color: var(--cs-color-warning);
}

.cs-ui-feedback--error {
    border-color: color-mix(
        in srgb,
        var(--cs-color-negative) 28%,
        var(--cs-color-border)
    );
    background: var(--cs-color-negative-soft);
    color: var(--cs-color-negative);
}

.cs-ui-feedback--compact {
    min-height: var(--cs-control-height-compact);
    padding: var(--cs-space-2) var(--cs-space-3);
}

.cs-ui-trend {
    display: inline-flex;
    align-items: center;
    gap: var(--cs-space-1);
    width: fit-content;
    font-family: var(--cs-font-family-ui);
    font-size: var(--cs-font-size-meta);
    font-variant-numeric: tabular-nums;
    font-weight: var(--cs-font-weight-strong);
    white-space: nowrap;
}

.cs-ui-trend--positive {
    color: var(--cs-color-positive);
}

.cs-ui-trend--negative {
    color: var(--cs-color-negative);
}

.cs-ui-trend > i {
    font-size: 0.7em;
}

.cs-ui-spin {
    animation: cs-ui-spin 1s linear infinite;
}

@keyframes cs-ui-spin {
    to {
        transform: rotate(1turn);
    }
}

@media (prefers-reduced-motion: reduce) {
    .cs-ui-button,
    .cs-ui-input,
    .cs-ui-input-shell {
        transition-duration: 0.01ms;
    }

    .cs-ui-button:hover,
    .cs-ui-button:active {
        transform: none;
    }

    .cs-ui-spin {
        animation: none;
    }
}