/* =========================================================
   Student edit form — sectioned layout, 2-col responsive grid
   ========================================================= */

.form-card {
    max-width: 960px;
    margin: 0 auto;
    padding: 1.75rem 2rem 2rem;
}

.form-section {
    padding: 1.25rem 0 0.5rem;
    border-bottom: 1px solid var(--neutral-100, #eef2f7);
}
.form-section:first-of-type { padding-top: 0; }
.form-section:last-of-type { border-bottom: 0; padding-bottom: 0; }

.form-section__title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--neutral-700, #334155);
    margin: 0 0 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    letter-spacing: 0.01em;
}
.form-section__title i {
    color: var(--blue-primary, #1F5F96);
    font-size: 0.95rem;
}

.req { color: var(--danger, #dc2626); font-weight: 700; margin-left: 2px; }

.form-grid {
    display: grid;
    gap: 0.85rem 1rem;
    margin-bottom: 0.25rem;
}
.form-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.form-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.form-card .field {
    margin-bottom: 0;
}
.form-card .field-label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--neutral-600, #475569);
    margin-bottom: 5px;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}
.form-card input[type="text"],
.form-card input[type="email"],
.form-card input[type="tel"],
.form-card input[type="date"],
.form-card input[type="file"],
.form-card select,
.form-card textarea {
    width: 100%;
    box-sizing: border-box;
    padding: 0.55rem 0.7rem;
    border: 1px solid var(--neutral-200, #e2e8f0);
    border-radius: 7px;
    font-size: 0.9rem;
    background: #fff;
    color: var(--neutral-800, #1e293b);
    transition: border-color .15s ease, box-shadow .15s ease;
}
.form-card input[type="file"] {
    padding: 0.45rem 0.55rem;
    font-size: 0.85rem;
}
.form-card input:focus,
.form-card select:focus,
.form-card textarea:focus {
    outline: none;
    border-color: var(--blue-primary, #1F5F96);
    box-shadow: 0 0 0 3px rgba(29, 78, 137, 0.12);
}
.form-card input[readonly] {
    background: var(--neutral-50, #f8fafc);
    color: var(--neutral-500, #64748b);
}

.form-card textarea { resize: vertical; min-height: 60px; }
.form-card textarea[name="notes"] { min-height: 90px; }

.form-card .field-hint {
    display: block;
    margin-top: 4px;
    font-size: 0.75rem;
    color: var(--neutral-500, #64748b);
    font-style: italic;
}
.form-card .field-error {
    display: block;
    margin-top: 4px;
    font-size: 0.78rem;
    color: var(--danger, #dc2626);
    font-weight: 500;
}

.form-card .field-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 0.85rem;
    background: #fef3c7;
    border: 1px solid #fcd34d;
    border-radius: 7px;
    margin-top: 1rem;
    font-size: 0.85rem;
    color: #78350f;
}
.form-card .field-check--inline {
    margin-top: 0.5rem;
    padding: 0.5rem 0;
    background: transparent;
    border: 0;
    color: var(--neutral-700, #334155);
    font-size: 0.85rem;
}

.form-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
    padding-top: 1.5rem;
    margin-top: 0.5rem;
    border-top: 1px solid var(--neutral-100, #eef2f7);
}
.form-actions .btn {
    min-width: 140px;
    padding: 0.7rem 1.25rem;
}

.head-actions .btn i { margin-right: 4px; }

/* Tablet */
@media (max-width: 768px) {
    .form-card { padding: 1.25rem 1.25rem 1.5rem; }
    .form-grid--2,
    .form-grid--3 { grid-template-columns: 1fr; }
    .form-actions { flex-direction: column-reverse; }
    .form-actions .btn { width: 100%; min-width: 0; }
}