/* ═══════════════════════════════════════════════════════════════
   public_auth_unit.css — انتخاب نوع واحد
   ═══════════════════════════════════════════════════════════════ */

.auth-unit-wrapper {
    max-width: 780px;
    margin: 0 auto;
    padding: 40px 24px;
}

.auth-unit-header {
    text-align: center;
    margin-bottom: 44px;
}
.auth-unit-title {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text);
    margin: 0 0 12px;
    line-height: 1.4;
}
.auth-unit-subtitle {
    font-size: 1rem;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.8;
}

.auth-unit-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.auth-unit-card {
    background: #fff;
    border: 2px solid var(--border-strong);
    border-radius: var(--r-xl);
    padding: 36px 24px;
    text-align: center;
    cursor: pointer;
    transition: all var(--normal);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 18px;
    position: relative;
    overflow: hidden;
}
.auth-unit-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transform: scaleX(0);
    transition: transform var(--normal);
}
.auth-unit-card:hover {
    border-color: var(--primary);
    transform: translateY(-6px);
    box-shadow: 0 20px 48px rgba(44, 109, 180, 0.18);
}
.auth-unit-card:hover::before { transform: scaleX(1); }

.auth-unit-icon {
    width: 88px;
    height: 88px;
    border-radius: 24px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 34px;
    box-shadow: 0 12px 30px rgba(44, 109, 180, 0.3);
    transition: transform var(--normal);
}
.auth-unit-card:hover .auth-unit-icon {
    transform: scale(1.08) rotate(-4deg);
}

.auth-unit-name {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text);
    margin: 0;
}
.auth-unit-desc {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.75;
    margin: 0;
}
.auth-unit-arrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12.5px;
    font-weight: 700;
    color: var(--primary);
    margin-top: 4px;
}
.auth-unit-arrow i {
    transition: transform var(--fast);
}
.auth-unit-card:hover .auth-unit-arrow i {
    transform: translateX(-4px);
}

/* ─── Responsive ─── */
@media (max-width: 640px) {
    .auth-unit-wrapper { padding: 24px 18px; }
    .auth-unit-title { font-size: 1.4rem; }
    .auth-unit-grid { grid-template-columns: 1fr; gap: 14px; }
    .auth-unit-card { padding: 26px 20px; gap: 14px; }
    .auth-unit-icon { width: 72px; height: 72px; font-size: 28px; border-radius: 20px; }
    .auth-unit-name { font-size: 1.1rem; }
}