/* ==========================================================
   AYNA Shared Form Styles
   Extracted from drone_form, maintenance_form, pilot_form,
   rule_form, procedure_form — unified on design-system vars.
   ========================================================== */

/* ---- Layout ---- */
.form-container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 1rem;
}

.form-container--narrow {
    max-width: 800px;
}

/* ---- Header ---- */
.form-header {
    margin-bottom: 2rem;
}

.form-header h1 {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 400;
    color: var(--navy);
    letter-spacing: 0.02em;
    margin: 0 0 0.25rem 0;
}

.form-header p {
    color: var(--gray-500);
    margin: 0;
}

/* ---- Section Cards ---- */
.form-section {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.form-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
}

.form-section-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
    color: var(--gray-800);
}

.form-section-title .material-symbols-outlined {
    font-size: 1.25rem;
    color: var(--gray-500);
}

.form-section-body {
    padding: 1.25rem;
}

/* ---- Form Groups ---- */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group:last-child {
    margin-bottom: 0;
}

/* ---- Labels ---- */
.form-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.375rem;
}

.form-label .optional {
    font-weight: 400;
    text-transform: none;
    color: var(--gray-400);
}

.form-label .required {
    color: var(--error-red);
}

/* ---- Controls ---- */
.form-control {
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-size: 0.9375rem;
    font-family: var(--font-body);
    color: var(--navy);
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 6px;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--sky-blue);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

.form-control:disabled {
    background: var(--gray-50);
    color: var(--gray-400);
    cursor: not-allowed;
}

.form-control::placeholder {
    color: var(--gray-300);
}

textarea.form-control {
    resize: vertical;
    min-height: 80px;
    font-family: var(--font-body);
}

select.form-control {
    cursor: pointer;
}

/* ---- Help Text ---- */
.form-text {
    display: block;
    font-size: 0.75rem;
    color: var(--gray-400);
    margin-top: 0.25rem;
}

/* ---- Grid Row (2-col, stacks at 768px) ---- */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

/* ---- Actions Bar ---- */
.form-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

/* ---- Back Link ---- */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    color: var(--gray-500);
    text-decoration: none;
    font-size: 0.875rem;
}

.back-link:hover {
    color: var(--sky-blue);
}

.back-link .material-symbols-outlined {
    font-size: 1rem;
}

/* ---- Danger Button ---- */
.btn-danger {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    color: var(--error-red);
    background: var(--white);
    border: 1px solid var(--error-red);
    border-radius: var(--radius-md);
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: background var(--transition-fast);
}

.btn-danger:hover {
    background: #fef2f2;
}

.btn-danger .material-symbols-outlined {
    font-size: 1rem;
}

/* ---- Error List ---- */
.errorlist {
    list-style: none;
    padding: 0;
    margin: 0.375rem 0 0;
}

.errorlist li {
    color: var(--error-red);
    font-size: 0.8125rem;
}