.survey-grid {
    row-gap: 2rem;
}

.quiz {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border-radius: var(--radius);
    background-color: var(--color-canvas);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.quiz:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.quiz img {
    aspect-ratio: 16 / 10;
    width: 100%;
    object-fit: cover;
}

.quiz .placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    aspect-ratio: 16 / 10;
    width: 100%;
    background: linear-gradient(135deg, var(--color-canvas), var(--color-divider));
    padding: 1rem;
}

.quiz__body {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    padding: 1rem;
    flex: 1;
}

.quiz__desc {
    flex: 1;
}

.quiz__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.4rem;
}

.quiz__meta-item {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 1.2rem;
    color: var(--color-text-secondary, #666);
    background-color: var(--color-body-bg, #fff);
    border: thin solid var(--color-divider);
    border-radius: 50px;
    padding: 0.3rem 0.8rem;
}

.quiz__meta-item .material-symbols-rounded {
    font-size: 1.6rem;
}

.quiz__meta-item--free {
    color: #16a34a;
    border-color: #16a34a55;
    background-color: #16a34a12;
    font-weight: 600;
}

.quiz__meta-item--price {
    color: var(--color-primary);
    border-color: var(--color-primary);
    font-weight: 600;
}

/* sort toggle (subheader) */
.survey-filter-form {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.8rem;
}

/* دکمه‌ی تک‌آیکونِ مرتب‌سازی (به‌جای select/دو دکمه‌ی متنی) */
.sort-toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.6rem;
  height: 3.6rem;
  border: thin solid var(--color-divider);
  background: var(--color-body-bg, #fff);
  border-radius: 50%;
  color: var(--color-text-secondary, #666);
  cursor: pointer;
  transition: background 0.15s, color 0.15s, transform 0.15s;
  flex-shrink: 0;
}
.sort-toggle-btn:hover {
  background: var(--color-canvas);
  color: var(--color-primary);
}
.sort-toggle-btn .material-symbols-rounded {
  font-size: 1.8rem;
  transition: transform 0.15s;
}

@media only screen and (max-width: 520px) {
    .subheader__content {
        flex-direction: column;
        align-items: stretch;
    }
    .survey-filter-form {
        flex-direction: column;
        align-items: stretch;
    }
    .sort-toggle-btn {
        margin: 0 auto;
    }
}

/* بخش‌های دسته‌بندی‌شده‌ی آزمون‌های روانشناسی */
.survey-section {
    margin-bottom: 3rem;
}
.survey-section:last-child {
    margin-bottom: 0;
}
.survey-section__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.4rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--color-divider);
}
.survey-section__title {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    min-width: 0;
}
.survey-section__accent {
    width: 0.5rem;
    height: 2.2rem;
    border-radius: 999px;
    background-color: var(--color-primary);
    flex-shrink: 0;
}
.survey-section__name {
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.survey-section__count {
    flex-shrink: 0;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-text-secondary, #8a8a8a);
    background-color: var(--color-canvas);
    border-radius: 999px;
    padding: 0.2rem 1rem;
}
.survey-section__more {
    white-space: nowrap;
    font-size: 1.3rem;
    font-weight: 600;
    flex-shrink: 0;
}

.quiz-pager {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.2rem;
    padding: 2rem 0;
}

/* هدر صفحه: بریدکرامب با سلسله‌مراتب واضح‌تر به‌جای دو تکه متن هم‌اندازه */
.survey-subheader {
    background: linear-gradient(180deg, var(--color-canvas), var(--color-body-bg));
}
.survey-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex-wrap: wrap;
}
.survey-breadcrumb .survey-breadcrumb__root {
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--color-text-secondary, #8a8a8a);
    white-space: nowrap;
}
.survey-breadcrumb .survey-breadcrumb__root:hover {
    color: var(--color-primary);
}
.survey-breadcrumb .survey-breadcrumb__sep {
    font-size: 1.8rem;
    color: var(--color-text-secondary, #b3b3b3);
    line-height: 1;
}
.survey-breadcrumb .survey-breadcrumb__current {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.2;
}
.survey-breadcrumb .survey-breadcrumb__current--root {
    font-size: 2rem;
    font-weight: 700;
}