/* components.css — Reusable UI components (buttons, form controls, composer) */

/* ---- Buttons (all variants live here — do not restyle per page) ---- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm) var(--space-lg);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 500;
    line-height: 1.5;
    white-space: nowrap;
    cursor: pointer;
    transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary {
    background-color: var(--color-accent);
    color: #fff;
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--color-accent-hover);
    text-decoration: none;
}

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

.btn-secondary:hover:not(:disabled) {
    background-color: var(--color-bg);
    border-color: var(--color-text-muted);
    text-decoration: none;
}

.btn-danger {
    background-color: var(--color-danger);
    color: #fff;
}

.btn-danger:hover:not(:disabled) {
    background-color: var(--color-danger-hover);
    text-decoration: none;
}

.btn-danger-outline {
    background: none;
    border-color: var(--color-danger);
    color: var(--color-danger);
}

.btn-danger-outline:hover:not(:disabled) {
    background-color: var(--color-danger-soft);
}

.btn-small {
    padding: var(--space-xs) var(--space-md);
    font-size: 0.85rem;
}

/* Link-styled button (nav logout, inline table actions) */
.btn-link {
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    padding: 0;
}

.btn-link:hover {
    color: var(--color-accent);
    text-decoration: underline;
}

.btn-link.btn-link-danger {
    color: var(--color-danger);
}

.btn-link.btn-link-danger:hover {
    color: var(--color-danger-hover);
}

/* ---- Select controls ---- */

.select-control {
    appearance: none;
    -webkit-appearance: none;
    padding: var(--space-sm) 2.25rem var(--space-sm) var(--space-md);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background-color: var(--color-surface);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16' fill='none'%3E%3Cpath d='M4 6l4 4 4-4' stroke='%236c757d' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    color: var(--color-text);
    cursor: pointer;
    transition: border-color 0.15s ease;
}

.select-control:hover {
    border-color: var(--color-text-muted);
}

.select-control:focus {
    border-color: var(--color-accent);
    outline: none;
    box-shadow: 0 0 0 3px var(--color-focus-ring);
}

/* ---- Search composer (home page) & follow-up composer ---- */

.search-form {
    text-align: left;
}

.search-composer,
.followup-form {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: var(--space-sm);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.search-composer:focus-within,
.followup-form:focus-within {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-focus-ring);
}

/* Files being dragged over the composer (search-attach.js). */
.search-composer.is-dragover,
.followup-form.is-dragover {
    border-color: var(--color-accent);
    border-style: dashed;
    box-shadow: 0 0 0 3px var(--color-focus-ring);
    background-color: var(--color-accent-soft);
}

.search-composer,
.followup-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

/* Query fields are auto-growing textareas: they wrap and expand so the
   full prompt stays visible (height is managed by base.js). The composer
   container carries the border and focus ring, so the fields are bare. */
textarea.search-input,
textarea.followup-input {
    font-family: var(--font-sans);
    line-height: 1.5;
    resize: none;
    overflow-y: hidden;
    min-height: 0;
}

.search-input,
.followup-input {
    width: 100%;
    padding: var(--space-sm);
    border: none;
    background: transparent;
    color: var(--color-text);
}

/* Both composers are columns, where flex-basis would override the
   JS-managed height, so the query fields must not flex. */
.search-input {
    font-size: 1.05rem;
}

.followup-input {
    font-size: 1rem;
}

.search-input:focus,
.followup-input:focus {
    outline: none;
}

/* Control bar under the query field: model options left, submit right */
.search-composer-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
}

.search-options {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.search-composer .select-control {
    font-size: 0.85rem;
    padding-top: var(--space-xs);
    padding-bottom: var(--space-xs);
    color: var(--color-text-muted);
}

.search-hint {
    margin-top: var(--space-sm);
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-align: center;
}

/* ---- Empty state (shared across list pages) ---- */

.empty-state {
    text-align: center;
    padding: var(--space-lg) var(--space-md);
    color: var(--color-text-muted);
    background-color: var(--color-surface);
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-lg);
}

.empty-state p {
    margin-bottom: var(--space-sm);
}

.empty-state p:last-child {
    margin-bottom: 0;
}

/* ---- Responsive ---- */

@media (max-width: 600px) {
    .search-composer-bar {
        flex-wrap: wrap;
    }

    .search-composer-bar > .btn {
        flex: 1 1 100%;
    }

}

/* ---- Error pages (404/403/500) ---- */

.error-page {
    display: flex;
    justify-content: center;
    padding: var(--space-xl) var(--space-md);
}

.error-page-container {
    text-align: center;
    max-width: 480px;
}

.error-page-code {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-border);
    line-height: 1;
    margin-bottom: var(--space-sm);
}

.error-page-heading {
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
}

.error-page-message {
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
}