/* ───────── Forms (dark glass) ───────── */

.form-group {
    margin-bottom: var(--space-6);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-2);
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    letter-spacing: 0.01em;
}

/* The required star is on the marketing contact form only (the app marks
   optional fields instead), so it keeps the brand pink. */
.form-group label span[aria-hidden="true"] {
    color: var(--atom-accent-pink);
    margin-left: var(--space-1);
}

.form-group .form-optional {
    color: var(--text-muted);
    font-weight: 400;
    font-size: var(--font-size-sm);
    margin-left: var(--space-1);
    text-transform: lowercase;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group input[type="password"],
.form-group input[type="url"],
.form-group input[type="search"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group input[type="time"],
.form-group input[type="datetime-local"],
.form-group input[type="month"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    color: var(--text-primary);
    background: var(--surface);
    border: 1px solid var(--border-control);
    border-radius: var(--radius-lg);
    transition: border-color var(--dur-fast) var(--ease-standard), background var(--dur-fast) var(--ease-standard), box-shadow var(--dur-fast) var(--ease-standard);
    line-height: 1.4;
}

/* Date and time fields: the native picker icon needs the dark scheme or it
   disappears into the glass. */
.form-group input[type="date"],
.form-group input[type="time"],
.form-group input[type="datetime-local"],
.form-group input[type="month"] {
    color-scheme: dark;
    font-variant-numeric: tabular-nums;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

@media (hover: hover) {
    .form-group input:hover,
    .form-group select:hover,
    .form-group textarea:hover {
        border-color: var(--border-control-hover);
    }
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--surface-hover);
    box-shadow: var(--ring-accent);
}

.form-group textarea {
    min-height: 140px;
    resize: vertical;
    font-family: var(--font-sans);
}

/* File inputs: same glass field, with the browser's button restyled. The
   native control has a fixed intrinsic width, so cap it to the column.
   Bare admin fields (outside a .form-group) get the same look. */
.form-group input[type="file"],
.app-main input[type="file"] {
    width: 100%;
    max-width: 100%;
    padding: var(--space-2);
    font-family: var(--font-sans);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    background: var(--surface);
    border: 1px dashed var(--border-control);
    border-radius: var(--radius-lg);
    cursor: pointer;
}

.form-group input[type="file"]::file-selector-button,
.app-main input[type="file"]::file-selector-button {
    margin-right: var(--space-3);
    padding: var(--space-2) var(--space-4);
    font: 600 var(--font-size-sm) var(--font-heading);
    color: var(--text-primary);
    background: var(--surface-strong);
    border: 1px solid var(--border);
    border-radius: var(--radius-pill);
    cursor: pointer;
    transition: background var(--dur-fast) var(--ease-standard), border-color var(--dur-fast) var(--ease-standard);
}

@media (hover: hover) {
    .form-group input[type="file"]:hover::file-selector-button,
    .app-main input[type="file"]:hover::file-selector-button {
        background: var(--accent-tint-strong);
        border-color: var(--accent-line-strong);
    }
}

/* A field shows its error state when its .form-group (or fieldset) holds a
   FieldError with a message, so OOB blur checks turn the border red too.
   The .error class on the control still works for fields outside a group. */
.form-group input.error,
.form-group textarea.error,
.form-group select.error,
.form-group:has(> .field-error[data-has-error="true"]) :is(input:not([type="checkbox"]):not([type="radio"]):not([type="hidden"]), select, textarea) {
    border-color: var(--danger);
    background: var(--danger-tint-subtle);
}

.form-group input.error:focus,
.form-group textarea.error:focus,
.form-group select.error:focus,
.form-group:has(> .field-error[data-has-error="true"]) :is(input, select, textarea):focus {
    box-shadow: var(--ring-danger);
}

/* Inline error (form.FieldError): a warning icon and the message, with a
   visually hidden "Error:" prefix. Red is never the only signal. */
.field-error {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    min-height: 1.2em;
    margin-top: var(--space-2);
    color: var(--danger-text);
    font-size: var(--font-size-sm);
    font-weight: 500;
    line-height: 1.4;
}

.field-error:empty {
    display: none;
}

.field-error-icon {
    flex: none;
    width: 16px;
    height: 16px;
    margin-top: 1px;
    color: var(--danger);
}

/* Error summary (form.ErrorSummary): "There is a problem" at the top of a
   form with three or more fields, linking to each field. It takes focus
   when it appears (js/htmx-feedback.js). */
.error-summary {
    margin: 0 0 var(--space-6);
    padding: var(--space-4) var(--space-4);
    border: 2px solid var(--danger);
    border-radius: var(--radius-md);
    background: var(--danger-tint-subtle);
    color: var(--text-primary);
}

.error-summary:focus {
    outline: 3px solid var(--danger-line-strong);
    outline-offset: 2px;
}

.error-summary-title {
    margin: 0 0 var(--space-2);
    font-family: var(--font-heading);
    font-size: var(--font-size-lg);
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-primary);
}

.error-summary p {
    margin: 0 0 var(--space-2);
}

.error-summary-list {
    display: grid;
    gap: var(--space-1);
    margin: 0;
    padding: 0;
    list-style: none;
}

.error-summary-list li::before {
    content: none;
}

.error-summary-list a {
    display: inline-block;
    padding: var(--space-1) 0;
    color: var(--danger-text);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 3px;
}

@media (hover: hover) {
    .error-summary-list a:hover {
        color: var(--text-primary);
    }
}

.form-help {
    display: block;
    margin-top: var(--space-2);
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

/* Honeypot field — visually hidden from real users; bots that read the form
   HTML will fill it and reveal themselves. Avoid display:none, which some
   bots specifically skip. */
.hp-field {
    position: absolute;
    left: -9999px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* ───────── Phones and touch: 16px text, 44px controls ─────────
   Under 16px, iOS zooms the page when a field takes focus and leaves it
   zoomed. One rule for every text-like control, bare admin fields included;
   the chained :not()s keep it above page rules such as .ads select. */
@media (max-width: 600px), (pointer: coarse) {
    .form-group :is(input:not([type="checkbox"]):not([type="radio"]):not([type="hidden"]):not([type="range"]):not([type="submit"]):not([type="button"]):not([type="color"]), select, textarea),
    .app-main :is(input:not([type="checkbox"]):not([type="radio"]):not([type="hidden"]):not([type="range"]):not([type="submit"]):not([type="button"]):not([type="color"]), select, textarea) {
        font-size: var(--font-size-base);
    }
    .form-group :is(input:not([type="checkbox"]):not([type="radio"]):not([type="hidden"]):not([type="range"]):not([type="submit"]):not([type="button"]):not([type="color"]), select),
    .app-main :is(input:not([type="checkbox"]):not([type="radio"]):not([type="hidden"]):not([type="range"]):not([type="submit"]):not([type="button"]):not([type="color"]), select) {
        min-height: 44px;
    }
    /* Textareas take the 44px floor at zero specificity, so a taller
       min-height (.form-group textarea, the ads raw YAML editor) still wins. */
    :where(.form-group, .app-main) textarea {
        min-height: 44px;
    }
}

/* ───────── Checkboxes and radios (admin and portal) ─────────
   The native control, restyled: an 18px box drawn inside a 24px hit area
   (the transparent border), a --border-control outline, and an accent fill
   with a dark tick (the primary button's text colour, for contrast).
   Wrap it in its <label> so the text is part of the target; on touch the
   row is 44px tall. Pages don't size or colour checkboxes themselves. */
.app-main input[type="checkbox"],
.app-main input[type="radio"] {
    -webkit-appearance: none;
    appearance: none;
    flex: none;
    box-sizing: border-box;
    width: 24px;
    height: 24px;
    margin: 0;
    padding: 0;
    border: 3px solid transparent;
    border-radius: var(--radius-md);
    background: var(--surface) center / 14px 14px no-repeat;
    background-clip: padding-box;
    box-shadow: inset 0 0 0 1.5px var(--border-control);
    vertical-align: middle;
    cursor: pointer;
    transition: background-color var(--dur-fast) var(--ease-standard), box-shadow var(--dur-fast) var(--ease-standard);
}

.app-main input[type="radio"] {
    border-radius: 50%;
}

@media (hover: hover) {
    .app-main input[type="checkbox"]:hover,
    .app-main input[type="radio"]:hover {
        box-shadow: inset 0 0 0 1.5px var(--border-control-hover);
    }
}

.app-main input[type="checkbox"]:checked,
.app-main input[type="checkbox"]:indeterminate {
    background-color: var(--accent);
    box-shadow: inset 0 0 0 1.5px var(--accent);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 14 14'%3E%3Cpath d='M3 7.3 5.8 10 11 4.2' fill='none' stroke='%231A0530' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}

.app-main input[type="checkbox"]:indeterminate {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 14 14'%3E%3Cpath d='M3.5 7h7' fill='none' stroke='%231A0530' stroke-width='2.2' stroke-linecap='round'/%3E%3C/svg%3E");
}

.app-main input[type="radio"]:checked {
    box-shadow: inset 0 0 0 1.5px var(--accent);
    background-image: radial-gradient(circle, var(--accent) 0 3.5px, transparent 4px);
    background-size: 100% 100%;
}

.app-main input[type="checkbox"]:focus-visible,
.app-main input[type="radio"]:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 0;
}

.app-main input[type="checkbox"]:disabled,
.app-main input[type="radio"]:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* The label is the row: the box and its text share one target. Zero
   specificity, so a page's own layout for the row (.checkbox-row,
   .api-scope…) still wins. */
:where(.app-main label:has(> input[type="checkbox"], > input[type="radio"])) {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    cursor: pointer;
}

@media (pointer: coarse) {
    :where(.app-main label:has(> input[type="checkbox"], > input[type="radio"])) {
        min-height: 44px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .app-main input[type="checkbox"],
    .app-main input[type="radio"] {
        transition: none;
    }
}