/* File: css/pages/test-list.css */

.page-title-new {
    margin: 0;
    font-size: 1.5rem;
    color: var(--color-text-primary);
    text-align: center;
    margin-bottom: 1.5rem;
}
.page-description-new {
    font-size: 1rem;
    color: var(--color-text-secondary);
    text-align: center;
    margin-bottom: 2rem;
}
.test-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1.5rem;
    padding: 0 1rem; /* Thêm padding hai bên */
}
.test-list h2 {
    margin-top: 0;
    font-size: 1.2rem;
    color: var(--color-text-primary);
    text-align: center;
    margin-bottom: 1rem;
}
.test-list p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    text-align: center;
    margin-bottom: 1.5rem;
}
.test-list .test-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-soft);
    padding: 1.5rem;
    box-shadow: var(--shadow-subtle);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    text-align: center;
    position: relative;
}

.page-subtitle-new {
    font-size: 1.2rem;
    color: var(--color-text-primary);
    text-align: center;
    margin-bottom: 1rem;
}
.test-list .test-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}
.test-list .test-card h3 {
    margin-top: 0;
    font-size: 1.4rem;
    color: var(--color-text-primary);
}
.test-list .test-card p {
    margin: 0.5rem 0;
    font-size: 1rem;
    color: var(--color-text-secondary);
}
.test-list .test-card .test-card-meta {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 1rem;   /* Giữ khoảng cách với nội dung chính */
    gap: 1.5rem; /* Khoảng cách giữa các mục */
    flex-wrap: wrap; /* Cho phép các mục xuống dòng nếu không đủ chỗ */
}
.test-list .test-card-meta span {
    margin-right: 1.5rem;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}
.test-list .test-card-meta strong {
    color: var(--color-text-primary);
}

.test-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-soft);
    padding: 1.5rem;
    box-shadow: var(--shadow-subtle);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    text-align: center;
    position: relative;
}

.test-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.test-card h3 {
    margin-top: 0;
    font-size: 1.4rem;
    color: var(--color-text-primary);
}

.test-card p {
    margin: 0.5rem 0;
    font-size: 1rem;
    color: var(--color-text-secondary);
}
.test-card .test-card-meta {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 1rem;
}
.test-card-meta span {
    margin-bottom: 0.5rem;
}
.test-card-meta strong {
    color: var(--color-text-primary);
}

.test-card:hover .test-card-meta {
    color: var(--color-text-primary);
}
.test-card:hover h3 {
    color: var(--color-primary);
}
.test-card:hover p {
    color: var(--color-text-secondary-hover);
}
.test-card .test-card-meta {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.test-card-header {
    padding: 1.5rem 1.5rem 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.test-card-header h3 {
    margin: 0;
    font-size: 1.5rem;
    color: var(--color-text-primary);
    text-align: center;
    margin-bottom: 0.5rem;
}

.test-status-badge {
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    font-size: 0.8em;
    text-transform: uppercase;
    flex-shrink: 0;
    margin-left: 1rem;
}

.status-open {
    color: var(--color-success);
    background-color: hsla(145, 63%, 42%, 0.1);
}

.test-card-body {
    padding: 0 1.5rem 1.5rem 1.5rem;
    flex-grow: 1;
}

.test-card-header p {
    margin: 0.5rem 0;
    font-size: 1rem;
    color: var(--color-text-secondary);
}
.test-card-header .test-card-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}
.test-card-header .test-card-meta span {
    margin-bottom: 0.5rem;
}
.test-card-header .test-card-meta strong {
    color: var(--color-text-primary);
}

.test-card-meta {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 1rem;   /* Giữ khoảng cách với nội dung chính */
    gap: 1.5rem; /* Khoảng cách giữa các mục */
    flex-wrap: wrap; /* Cho phép các mục xuống dòng nếu không đủ chỗ */
}

.test-card-meta span {
    margin-right: 1.5rem;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem
}

.test-card-meta strong {
    color: var(--color-text-primary);

}

.schedule-filter-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 2rem;
}


.test-card-footer {
    background-color: var(--color-surface-soft);
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: flex-end;
}

.test-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1.5rem;
}

/* Style cho nút xem kết quả */
/* --- Kiểu dáng nút xem kết quả (đã được làm mới) --- */
.view-result-btn {
    /* Layout & Box Model */
    display: flex; /* Thay đổi để có thể dùng margin auto */
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 16px;
    box-sizing: border-box;
    width: fit-content;
    height: 40px;
    margin-left: auto; /* Căn giữa */
    margin-right: auto; /* Căn giữa */

    /* Typography */
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;

    /* Appearance */
    color: var(--color-primary);
    background-color: transparent;
    border: 2px solid var(--color-primary);
    border-radius: var(--border-radius-pill, 999px);
    box-shadow: var(--shadow-subtle);
    cursor: pointer;

    /* Positioning & Effects */
    position: relative;
    overflow: hidden;
    transition: all 0.2s ease-in-out;
}

.view-result-btn i {
    font-size: 1em; /* Kích thước icon tương đối với chữ */
    color: var(--color-primary);
    margin-right: 8px;
    display: inline-block;
    vertical-align: middle;
    transition: color 0.2s ease-in-out;
}

.view-result-btn:hover {
    background-color: var(--color-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
    text-decoration: none;
}

.view-result-btn:hover i {
    color: white;
}

.view-result-btn:active {
    transform: translateY(0);
    box-shadow: var(--shadow-subtle);
    background-color: var(--color-primary-dark);
    color: white;
}

.view-result-btn::after {
    content: '';
    position: absolute; top: 50%; left: 50%;
    width: 5px; height: 5px;
    background: rgba(255, 255, 255, 0.5);
    opacity: 0;
    border-radius: 100%;
    transform: scale(1, 1) translate(-50%, -50%); /* Căn giữa chính xác */
    transform-origin: 50% 50%;
}

.container {
    width: 100%;
    max-width: 1200px; /* Giới hạn chiều rộng tối đa */
    margin: 0 auto;
    padding: 0 2rem; /* Thêm padding hai bên */
}

.test-list-container {
    width: 100%;
    max-width: 1200px; /* Giới hạn chiều rộng tối đa */
    margin: 0 auto;
    padding: 10rem; /* Thêm padding để tránh dính sát viền */
    background-color: var(--color-surface);
    border-radius: var(--border-radius-soft);
    box-shadow: var(--shadow-large);
}

#test-list-container.test-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 1.5rem;
}

.test-list-container h2 {
    margin-top: 0;
    font-size: 1.5rem;
    color: var(--color-text-primary);
    text-align: center;
}
.test-list-container p {
    font-size: 1rem;
    color: var(--color-text-secondary);
    text-align: center;
    margin-bottom: 1.5rem;
}
/* Kích hoạt hiệu ứng khi nhấn chuột */
.view-result-btn:active::after {
    animation: ripple 0.6s ease-out;
}

@keyframes ripple {
    0% {
        transform: scale(0, 0) translate(-50%, -50%);
        opacity: 1;
    }
    100% {
        opacity: 0;
        transform: scale(40, 40) translate(-50%, -50%);
    }
}


/* --- css/pages/test-list.css --- */

/* Cải tiến Header của trang */
.page-header-new {
    text-align: center;
    padding: 40px 20px;
    border-bottom: 1px solid #e0e0e0;
    margin-bottom: 40px;
    position: relative;
}

.page-header-new h1 {
    font-size: 2.5rem; /* 40px */
    font-weight: 800;
    color: #2c3e50;
    margin: 0;
}

.page-header-new p {
    font-size: 1.125rem; /* 18px */
    color: #7f8c8d;
    margin-top: 8px;
}

.page-title-new {
    font-size: 2.5rem; /* 40px */
    font-weight: 800;
    color: #2c3e50;
    margin: 0;
}

.page-subtitle-new {
    font-size: 1.125rem; /* 18px */
    color: #7f8c8d;
    margin-top: 8px;
}

.view-result-btn {
    position: absolute;
    top: 50%;
    right: 20px;
    transform: translateY(-50%);
    background-color: #3498db;
    color: white;
    padding: 12px 20px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.view-result-btn i {
    margin-right: 8px;
}

.view-result-btn:hover {
    background-color: #2980b9;
    transform: translateY(-50%) scale(1.05);
}


/* Vùng chứa danh sách kỳ thi */
.test-list {
    display: grid;
    /* Tạo các cột tự động co giãn, chiều rộng tối thiểu 320px */
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem; /* Khoảng cách giữa các thẻ */
    padding-bottom: 50px;
}

/* Kiểu dáng cho từng thẻ bài thi */
.exam-card {
    background-color: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    display: flex;
    align-items: center;
    padding: 20px;
    gap: 20px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.exam-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

/* Icon môn học */
.exam-card__icon {
    font-size: 2.5rem; /* 40px */
    color: #3498db; /* Màu xanh dương chủ đạo */
    flex-shrink: 0; /* Đảm bảo icon không bị co lại */
    width: 50px;
    text-align: center;
}

/* Khối nội dung chính (tên, thông tin) */
.exam-card__content {
    flex-grow: 1; /* Cho phép khối này chiếm hết không gian còn lại */
}

.exam-card__title {
    font-size: 1.1rem; /* 17.6px */
    font-weight: 700;
    color: #2c3e50;
    margin: 0 0 8px 0;
}

/* Thông tin meta (số câu, thời gian) */
.exam-card__meta {
    display: flex;
    gap: 15px;
    font-size: 0.9rem; /* 14.4px */
    color: #7f8c8d;
}

.exam-card__meta span {
    display: flex;
    align-items: center;
}

.exam-card__meta i {
    margin-right: 6px;
    color: #95a5a6;
}

/* Nút "Bắt đầu thi" */
.exam-card__actions {
    flex-shrink: 0;
}

.exam-card__button {
    background-color: #3498db;
    color: #ffffff;
    padding: 10px 20px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    text-align: center;
    transition: background-color 0.3s ease;
}

.exam-card__button:hover {
    background-color: #2980b9; /* Màu đậm hơn khi hover */
}
.actions-cell .button:hover {
    background-color: var(--color-primary-hover);
    color: white;
}
.actions-cell .button:active {
    background-color: var(--color-primary-active);
    transform: translateY(1px);
}
.test-card-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
}
.test-card-actions .button {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    color: var(--color-text-primary);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-soft);
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.2s ease;
}
.test-card-actions .button:hover {
    background-color: var(--color-surface-hover);
    transform: translateY(-2px);
}
.test-card-actions .button:active {
    background-color: var(--color-surface-active);
    transform: translateY(0);
}
.test-card-actions .button i {
    margin-right: 0.5rem;
}
.test-card-actions .button-small {
    padding: 0.25rem 0.5rem;
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    background-color: var(--color-surface-soft);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-soft);
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.2s ease;
}
.test-card-actions .button-small:hover {
    background-color: var(--color-surface-soft-hover);
    transform: translateY(-2px);
}
.test-card-actions .button-small:active {
    background-color: var(--color-surface-soft-active);
    transform: translateY(0);
}

/* Responsive cho màn hình nhỏ (Mobile) */
@media (max-width: 768px) {
    .page-header-new {
        padding: 30px 15px;
        margin-bottom: 30px;
        text-align: center;
    }
    
    .view-result-btn {
        position: static;
        transform: none;
        margin-top: 20px;
        display: inline-block;
    }

    .page-title-new {
        font-size: 2rem;
    }
    
    .test-list {
        grid-template-columns: 1fr; /* 1 cột trên mobile */
        gap: 1rem;
    }

    .exam-card {
        flex-direction: column;
        align-items: flex-start;
        text-align: left;
        padding: 20px;
    }
    
    .exam-card__actions {
        width: 100%;
        margin-top: 15px;
    }

    .exam-card__button {
        display: block; /* Nút chiếm toàn bộ chiều rộng */
    }
}

/* --- MOBILE OPTIMIZATION FOR TEST LIST PAGE (ENHANCED) --- */
@media (max-width: 600px) {
  .test-list, .test-list-grid {
    grid-template-columns: 1fr !important;
    gap: 0.75rem !important;
    padding: 0 0.25rem !important;
  }
  .test-card, .exam-card {
    padding: 0.75rem 0.5rem !important;
    border-radius: 10px !important;
    font-size: 0.95rem !important;
    min-width: 0 !important;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06) !important;
  }
  .test-card-header, .test-card-body, .exam-card__content {
    padding: 0.5rem 0.25rem !important;
    gap: 4px !important;
  }
  .test-card-title, .exam-card__title, .test-card h3 {
    font-size: 1.05rem !important;
  }
  .test-card-date, .test-card-desc, .exam-card__meta, .test-card p {
    font-size: 0.9rem !important;
  }
  .test-card-footer, .exam-card__actions {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 0.5rem !important;
    width: 100% !important;
    margin-top: 0.5rem !important;
  }
  .btn-start-test, .exam-card__button, .view-result-btn {
    width: 100% !important;
    font-size: 1rem !important;
    padding: 10px 0 !important;
    border-radius: 8px !important;
    margin: 0 !important;
  }
  .test-list-controls, .test-list-filters {
    flex-direction: column !important;
    gap: 0.5rem !important;
    padding: 0.5rem 0.25rem !important;
  }
  .filter-group {
    width: 100% !important;
    min-width: 0 !important;
  }
  .search-box input[type="text"] {
    width: 100% !important;
    font-size: 1rem !important;
    padding: 7px 0 !important;
  }
  .page-title-new, .page-header-new h1, .page-subtitle_new {
    font-size: 1.1rem !important;
    margin-bottom: 0.75rem !important;
  }
  .page-description-new, .page-header-new p {
    font-size: 0.95rem !important;
    margin-bottom: 1rem !important;
  }
  .test-list-table th, .test-list-table td {
    padding: 6px 2px !important;
    font-size: 0.9em !important;
  }
  .test-list-table {
    font-size: 0.95em !important;
    min-width: 480px !important;
  }
}

/* --- MODAL HIỂN THỊ LINK BÀI THI --- */
.share-link-input-wrapper {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
}
#shareable-link-input {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background-color: var(--color-surface-soft);
    font-size: 1rem;
}
#copy-link-btn {
    padding: 10px 15px;
    font-size: 1.2rem;
    cursor: pointer;
    background-color: #f0f0f0;
    border: 1px solid #ccc;
    border-radius: 8px;
}
#copy-link-btn:hover {
    background-color: #e0e0e0;
}
#share-link-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}
#share-link-modal.show {
    display: flex;
}
#share-link-modal .modal-content {
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px;
}
.test-list-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  margin-top: 24px;
  font-size: 1rem;
}

.test-list-table thead {
  background: #f5f7fa;
}

.test-list-table th, .test-list-table td {
  padding: 14px 12px;
  text-align: center;
  border-bottom: 1px solid #e5e7eb;
}

.test-list-table th {
  color: #00468c;
  font-weight: 700;
  letter-spacing: 0.5px;
  background: #f0f4fa;
}

.test-list-table tbody tr:hover {
  background: #f6faff;
  transition: background 0.2s;
}

.test-list-table td {
  color: #222;
}

.test-list-table .test-card-status {
  padding: 4px 10px;
  border-radius: 16px;
  font-size: 0.95em;
  font-weight: 600;
  display: inline-block;
}

.status-upcoming { background: #fffbe6; color: #bfa100; }
.status-in-progress { background: #e6f7ff; color: #0077b6; }
.status-ended { background: #f8d7da; color: #b71c1c; }
.status-external { background: #e0f7fa; color: #00695c; }
.status-unknown { background: #ececec; color: #888; }

.test-list-table .btn-start-test,
.test-list-table .btn-start-test[disabled] {
  padding: 6px 16px;
  border-radius: 6px;
  font-size: 1em;
  border: none;
  background: #00468c;
  color: #fff;
  cursor: pointer;
  transition: background 0.2s;
  text-decoration: none;
  display: inline-block;
}
.test-list-table .btn-start-test[disabled],
.test-list-table .btn-start-test.disabled {
  background: #bdbdbd;
  color: #fff;
  cursor: not-allowed;
}
.test-list-table .btn-start-test:hover:not([disabled]):not(.disabled) {
  background: #005bb5;
}

@media (max-width: 900px) {
  .test-list-table th, .test-list-table td {
    padding: 8px 4px;
    font-size: 0.95em;
  }
}

.test-list-controls {
  margin: 0 0 24px 0;
  padding: 18px 20px 10px 20px;
  background: #f7fafd;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
}

.test-list-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  width: 100%;
  justify-content: flex-start;
}

.filter-group {
  display: flex;
  flex-direction: column;
  min-width: 160px;
  gap: 6px;
}

.filter-group label {
  font-weight: 600;
  color: #00468c;
  margin-bottom: 2px;
  font-size: 1rem;
}

.filter-group select,
.filter-group input[type=\"text\"] {
  padding: 7px 12px;
  border: 1px solid #d0d7e2;
  border-radius: 6px;
  font-size: 1rem;
  background: #fff;
  color: #222;
  transition: border 0.2s;
  outline: none;
}

.filter-group select:focus,
.filter-group input[type=\"text\"]:focus {
  border-color: #3498db;
  box-shadow: 0 0 0 2px #eaf6ff;
}

.search-box {
  display: flex;
  align-items: center;
  background: #fff;
  border: 1px solid #d0d7e2;
  border-radius: 6px;
  padding: 0 8px;
  transition: border 0.2s;
}

.search-box:focus-within {
  border-color: #3498db;
  box-shadow: 0 0 0 2px #eaf6ff;
}

.search-box i {
  color: #b0b8c1;
  font-size: 1.1em;
  margin-right: 6px;
}

.search-box input[type=\"text\"] {
  border: none;
  outline: none;
  background: transparent;
  font-size: 1rem;
  padding: 7px 0;
  width: 140px;
  color: #222;
}

@media (max-width: 900px) {
  .test-list-controls {
    flex-direction: column;
    padding: 12px 8px 8px 8px;
    gap: 10px;
  }
  .test-list-filters {
    flex-direction: column;
    gap: 12px;
  }
  .filter-group {
    min-width: 0;
    width: 100%;
  }
  .search-box input[type=\"text\"] {
    width: 100%;
  }
}