/* ═══════════════════════════════════════════════════════════════
   08-forms.css — Global Form System
   ─────────────────────────────────────────────────────────────
   Standardised form fields used across every drawer, dialog,
   and settings page in the application.

   Sections:
     • .zimam-form-field        (vertical margin rhythm)
     • .zimam-form-label        (label text + required marker)
     • .zimam-form-input        (text / number / email inputs)
     • .zimam-form-select       (native <select> override)
     • .zimam-form-textarea     (multi-line variant)
     • .zimam-form-toggle       (on/off switch)
     • .zimam-form-checkbox      (checkbox + label pair)
     • Validation states         (--error, --success outlines)
     • .zimam-form-hint         (helper text below inputs)

   Depends on: 01-tokens.css (colours, radius, spacing).
   Consumers: BaseDrawer fields, SettingsForms, CaseConfig,
              ReferenceDataPage inline editors.
   ═══════════════════════════════════════════════════════════════ */

.zimam-form-field {
    margin-block-end: var(--form-field-gap, 1.25rem);
}

.zimam-form-field:last-child {
    margin-block-end: 0;
}

.zimam-form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: var(--fw-medium);
    color: var(--color-text-secondary);
    margin-block-end: 0.5rem;
    letter-spacing: 0.01em;
    line-height: var(--lh-tight);
}

.zimam-form-label--inline {
    margin-block-end: 0;
}

/* ── Base Input ── */
.zimam-form-input {
    width: 100%;
    height: 2.375rem;
    padding-inline: 0.75rem;
    font-size: var(--text-md);
    font-family: inherit;
    color: var(--color-text-strong);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    outline: none;
    transition: border-color var(--duration-fast) var(--ease-default),
        box-shadow var(--duration-fast) var(--ease-default);
    line-height: var(--lh-normal);
}

.zimam-form-input:focus {
    border-color: var(--color-text-strong);
    box-shadow: 0 0 0 1px var(--color-text-strong);
}

.zimam-form-input:disabled {
    background: var(--color-bg-subtle);
    color: var(--color-text-faint);
    cursor: not-allowed;
}

.zimam-form-input::placeholder {
    color: var(--color-text-faint);
}

/* ── Textarea ── */
textarea.zimam-form-input {
    height: auto;
    min-height: 80px;
    padding-block: 0.5rem;
    resize: vertical;
    line-height: var(--lh-normal);
}

/* ── Select (Logical RTL Support) ── */
.zimam-form-select {
    appearance: none;
    /* Heroicons 'chevron-down' encoded */
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%23000000' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-size: 1.125rem;
    background-position: left 0.75rem center;
    padding-inline-end: 2.25rem;
    cursor: pointer;
    border-radius: var(--radius-md);
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
    transition: background var(--duration-fast) var(--ease-default),
                border-color var(--duration-fast) var(--ease-default),
                box-shadow var(--duration-fast) var(--ease-default);
}

.zimam-form-select:hover {
    border-color: var(--color-text-strong);
    background-color: #f8fafc;
}

.zimam-form-select:focus {
    border-color: var(--color-text-strong);
    box-shadow: 0 0 0 2px rgba(15, 23, 42, 0.14);
    background-color: var(--color-surface);
}

/* Keep native dropdown list aligned with ZIMAM palette (avoid OS blue highlight). */
.zimam-form-select option {
    background-color: var(--color-surface);
    color: var(--color-text-strong);
}

.zimam-form-select option:hover,
.zimam-form-select option:focus,
.zimam-form-select option:checked {
    background: #e2e8f0;
    color: #0f172a;
    -webkit-box-shadow: 0 0 0 999px #e2e8f0 inset;
    -webkit-text-fill-color: #0f172a;
}

/* ── Validation States ── */
.zimam-form-input--error {
    border-color: var(--color-error-border);
}

.zimam-form-input--error:focus {
    border-color: var(--color-error-focus);
    box-shadow: 0 0 0 2px var(--color-error-bg);
}

.zimam-form-field-error {
    display: block;
    font-size: var(--text-sm);
    color: var(--color-error-text);
    margin-block-start: 0.25rem;
    line-height: var(--lh-tight);
}

.zimam-form-field-hint {
    display: block;
    font-size: var(--text-sm);
    color: var(--color-text-faint);
    margin-block-start: 0.25rem;
    line-height: var(--lh-normal);
}

/* ── Layout Helpers ── */
.zimam-form-grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--form-field-gap, 1.25rem);
}

@media (max-width: 640px) {
    .zimam-form-grid-2 {
        grid-template-columns: 1fr;
    }
}

.zimam-form-fieldset {
    display: flex;
    flex-direction: column;
    gap: var(--form-field-gap, 1.25rem);
    border: none;
    margin: 0;
    padding: 0;
}

.zimam-form-legend {
    font-size: var(--text-md);
    font-weight: var(--fw-semibold);
    color: var(--color-text-strong);
    margin-block-end: 1.25rem;
    line-height: var(--lh-tight);
}

.zimam-form-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-block-start: 1.5rem;
}

/* ── Form Error Alert ── */
.zimam-form-error {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-error-border);
    background: var(--color-error-bg);
    color: var(--color-error-text);
    padding: 0.75rem 1rem;
    margin-block-end: 1rem;
    font-size: var(--text-sm);
    line-height: var(--lh-normal);
}

.zimam-form-error svg {
    flex-shrink: 0;
    color: var(--color-error-focus);
}

/* ── Checkbox ── */
.zimam-form-checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    cursor: pointer;
    user-select: none;
}

.zimam-form-checkbox {
    appearance: none;
    width: 1rem;
    height: 1rem;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-xs);
    background: var(--color-surface);
    cursor: pointer;
    transition: background-color var(--duration-fast), border-color var(--duration-fast);
    position: relative;
    flex-shrink: 0;
}

.zimam-form-checkbox:checked {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.zimam-form-checkbox:checked::after {
    content: "";
    position: absolute;
    left: 4.5px;
    top: 1.5px;
    width: 4px;
    height: 8px;
    border: solid white;
    border-width: 0 1.5px 1.5px 0;
    transform: rotate(45deg);
}

.zimam-form-checkbox:focus-visible {
    box-shadow: 0 0 0 2px var(--color-primary-ring);
    outline: none;
}

.zimam-form-checkbox-label {
    font-size: var(--text-sm);
    font-weight: var(--fw-medium);
    color: var(--color-text-secondary);
}