/* ======================================================
   BRANDINFO - CÁC KỲ TUYỂN SINH
   Bản CSS hoàn chỉnh
   Màu chủ đạo: Xanh dương - Đỏ - Trắng
   File: assets/css/frontend.css
====================================================== */

/* =========================
   BIẾN MÀU & RESET CỤC BỘ
========================= */

:root {
    --bcts-blue: #0057b8;
    --bcts-blue-dark: #003f88;
    --bcts-blue-soft: #eaf3ff;
    --bcts-blue-border: #d8e8f8;

    --bcts-red: #e30613;
    --bcts-red-dark: #bd0010;
    --bcts-red-soft: #ffe8ea;

    --bcts-white: #ffffff;
    --bcts-bg: #f5f9ff;
    --bcts-text: #101828;
    --bcts-muted: #667085;
    --bcts-border: #d9e6f2;

    --bcts-radius-sm: 12px;
    --bcts-radius-md: 18px;
    --bcts-radius-lg: 28px;

    --bcts-shadow: 0 14px 40px rgba(0, 87, 184, 0.09);
    --bcts-shadow-hover: 0 18px 48px rgba(0, 87, 184, 0.14);
}

/* Chặn theme ép font / uppercase cho khu vực plugin */
.bcts-wrapper,
.bcts-wrapper *,
.bcts-single-page,
.bcts-single-page * {
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
}

.bcts-wrapper a,
.bcts-single-page a {
    text-decoration: none;
}

/* ======================================================
   TRANG DANH SÁCH KỲ TUYỂN SINH
====================================================== */

.bcts-wrapper {
    max-width: 1180px;
    margin: 0 auto;
    padding: 42px 15px 82px;
}

/* =========================
   BỘ LỌC
========================= */

.bcts-filter {
    position: relative;
    display: grid;
    grid-template-columns: minmax(280px, 2fr) minmax(170px, 1fr) minmax(170px, 1fr) minmax(170px, 1fr) auto;
    gap: 14px;
    align-items: center;
    background: var(--bcts-white);
    border: 1px solid var(--bcts-border);
    border-radius: 24px;
    padding: 24px;
    margin: 0 auto 36px;
    box-shadow: var(--bcts-shadow);
}

.bcts-filter::before {
    content: "Tìm kiếm & lọc kỳ tuyển sinh";
    position: absolute;
    top: -15px;
    left: 24px;
    z-index: 2;
    background: var(--bcts-blue);
    color: #fff;
    padding: 6px 15px;
    border-radius: 999px;
    font-size: 13px;
    line-height: 1;
    font-weight: 700;
}

.bcts-filter input,
.bcts-filter select {
    width: 100%;
    height: 50px;
    min-height: 50px;
    border: 1px solid var(--bcts-border);
    border-radius: 14px;
    background-color: #fff;
    color: var(--bcts-text);
    padding: 0 16px;
    font-size: 15px;
    line-height: 1.2;
    font-weight: 400;
    outline: none;
    box-shadow: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    text-transform: none;
    letter-spacing: 0;
}

.bcts-filter input::placeholder {
    color: #8a98a8;
}

.bcts-filter select {
    cursor: pointer;
}

.bcts-filter input:focus,
.bcts-filter select:focus {
    border-color: var(--bcts-blue);
    box-shadow: 0 0 0 3px rgba(0, 87, 184, 0.13);
}

.bcts-filter button {
    height: 50px;
    min-width: 112px;
    border: none;
    border-radius: 14px;
    background: var(--bcts-red);
    color: #fff;
    padding: 0 24px;
    font-size: 15px;
    line-height: 1;
    font-weight: 700;
    letter-spacing: 0;
    text-transform: none;
    cursor: pointer;
    box-shadow: 0 8px 18px rgba(227, 6, 19, 0.18);
    transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.bcts-filter button:hover,
.bcts-filter button:focus {
    background: var(--bcts-blue);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 8px 18px rgba(0, 87, 184, 0.18);
}

/* ======================================================
   CARD DANH SÁCH
====================================================== */

.bcts-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.bcts-card {
    display: grid;
    grid-template-columns: 150px minmax(0, 1fr) 155px;
    gap: 28px;
    align-items: center;
    background: #fff;
    border: 1px solid var(--bcts-border);
    border-radius: 28px;
    padding: 34px 36px;
    box-shadow: var(--bcts-shadow);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.bcts-card:hover {
    transform: translateY(-3px);
    border-color: var(--bcts-blue-border);
    box-shadow: var(--bcts-shadow-hover);
}

/* Cột kỳ học */

.bcts-card-date {
    border-left: 4px solid var(--bcts-blue);
    padding-left: 16px;
}

.bcts-card-date span {
    display: block;
    font-size: 14px;
    line-height: 1.3;
    color: var(--bcts-muted);
    margin-bottom: 6px;
}

.bcts-card-date strong {
    display: block;
    font-size: 22px;
    line-height: 1.25;
    color: var(--bcts-blue);
    margin-bottom: 4px;
    font-weight: 700;
}

.bcts-card-date em {
    display: block;
    font-size: 17px;
    line-height: 1.3;
    font-style: normal;
    color: var(--bcts-text);
    font-weight: 700;
}

/* Nội dung card */

.bcts-card-content {
    min-width: 0;
}

.bcts-card-head {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 10px;
}

.bcts-card h3 {
    margin: 0;
    font-size: 26px;
    line-height: 1.35;
    color: var(--bcts-text);
    font-weight: 700;
}

.bcts-card-desc {
    max-width: 760px;
    margin: 0 0 14px;
    font-size: 15px;
    line-height: 1.65;
    color: var(--bcts-muted);
}

.bcts-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 18px;
    font-size: 14px;
    line-height: 1.5;
    color: #1f3f5f;
}

.bcts-card-meta span {
    display: inline-flex;
    align-items: center;
}

.bcts-card-meta span::before {
    content: "•";
    margin-right: 7px;
    color: var(--bcts-red);
    font-weight: 900;
}

/* Trạng thái */

.bcts-status {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 30px;
    border-radius: 999px;
    padding: 7px 14px;
    font-size: 13px;
    line-height: 1;
    font-weight: 700;
    white-space: nowrap;
    letter-spacing: 0;
    text-transform: none;
}

.bcts-status-open {
    background: var(--bcts-blue-soft);
    color: var(--bcts-blue);
}

.bcts-status-soon {
    background: #fff4df;
    color: #a15c00;
}

.bcts-status-closed {
    background: #f1f1f1;
    color: #777;
}

.bcts-status-expired {
    background: var(--bcts-red-soft);
    color: var(--bcts-red);
}

/* Nút xem chi tiết */

.bcts-card-action {
    display: flex;
    align-items: center;
    justify-content: center;
}

.bcts-card-action a {
    width: 100%;
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: var(--bcts-blue);
    color: #fff;
    padding: 0 20px;
    font-size: 14px;
    line-height: 1;
    font-weight: 700;
    letter-spacing: 0;
    text-transform: none;
    box-shadow: 0 8px 18px rgba(0, 87, 184, 0.16);
    transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.bcts-card-action a:hover,
.bcts-card-action a:focus {
    background: var(--bcts-red);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 8px 18px rgba(227, 6, 19, 0.18);
}

.bcts-empty {
    background: #fff;
    border: 1px solid var(--bcts-border);
    border-radius: 20px;
    padding: 32px;
    text-align: center;
    color: var(--bcts-muted);
    box-shadow: var(--bcts-shadow);
}

/* ======================================================
   TRANG CHI TIẾT KỲ TUYỂN SINH
====================================================== */

.bcts-single-page {
    background: linear-gradient(180deg, #ffffff 0%, var(--bcts-bg) 100%);
    padding: 60px 15px 90px;
}

.bcts-single-container {
    max-width: 1080px;
    margin: 0 auto;
}

.bcts-back-link {
    display: inline-flex;
    align-items: center;
    margin-bottom: 22px;
    color: var(--bcts-blue);
    font-size: 15px;
    line-height: 1.4;
    font-weight: 700;
    text-decoration: none;
}

.bcts-back-link:hover,
.bcts-back-link:focus {
    color: var(--bcts-red);
}

/* Hero chi tiết */

.bcts-single-hero {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--bcts-blue), var(--bcts-blue-dark));
    border-radius: 30px;
    padding: 46px 48px;
    margin-bottom: 24px;
    color: #fff;
    box-shadow: 0 18px 45px rgba(0, 87, 184, 0.22);
}

.bcts-single-hero::after {
    content: "";
    position: absolute;
    right: -70px;
    top: -70px;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
}

.bcts-single-label {
    position: relative;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    background: #fff;
    color: var(--bcts-blue);
    border-radius: 999px;
    padding: 7px 15px;
    font-size: 13px;
    line-height: 1;
    font-weight: 700;
    margin-bottom: 14px;
}

.bcts-single-hero h1 {
    position: relative;
    z-index: 2;
    margin: 0 0 18px;
    color: #fff;
    font-size: 42px;
    line-height: 1.25;
    font-weight: 700;
}

.bcts-single-hero .bcts-status {
    position: relative;
    z-index: 2;
    background: #fff;
    color: var(--bcts-red);
}

/* Box thông tin */

.bcts-single-info {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-bottom: 34px;
}

.bcts-info-item {
    background: #fff;
    border: 1px solid var(--bcts-border);
    border-radius: 20px;
    padding: 20px 22px;
    box-shadow: 0 8px 24px rgba(0, 87, 184, 0.06);
}

.bcts-info-item span {
    display: block;
    font-size: 14px;
    color: var(--bcts-muted);
    margin-bottom: 8px;
}

.bcts-info-item strong {
    display: block;
    font-size: 18px;
    line-height: 1.35;
    color: var(--bcts-blue);
    font-weight: 700;
}

/* Nội dung chi tiết */

.bcts-single-content {
    background: #fff;
    border: 1px solid var(--bcts-border);
    border-radius: 26px;
    padding: 34px;
    margin-bottom: 36px;
    box-shadow: 0 10px 28px rgba(0, 87, 184, 0.06);
}

.bcts-single-content h2,
.bcts-consult-form-wrap h2 {
    position: relative;
    margin: 0 0 18px;
    padding-left: 16px;
    color: var(--bcts-text);
    font-size: 28px;
    line-height: 1.3;
    font-weight: 700;
    letter-spacing: 0;
    text-transform: none;
}

.bcts-single-content h2::before,
.bcts-consult-form-wrap h2::before {
    content: "";
    position: absolute;
    left: 0;
    top: 5px;
    width: 5px;
    height: 28px;
    border-radius: 999px;
    background: var(--bcts-red);
}

.bcts-content-inner {
    color: #344054;
    font-size: 16px;
    line-height: 1.75;
}

.bcts-content-inner p:last-child {
    margin-bottom: 0;
}

/* ======================================================
   FORM ĐĂNG KÝ TƯ VẤN
====================================================== */

.bcts-consult-form-wrap {
    background: #fff;
    border: 1px solid var(--bcts-border);
    border-radius: 30px;
    padding: 38px;
    box-shadow: 0 18px 46px rgba(0, 87, 184, 0.1);
}

.bcts-form-desc {
    color: var(--bcts-muted);
    margin: -6px 0 26px;
    font-size: 15px;
    line-height: 1.6;
}

.bcts-form-message {
    padding: 15px 18px;
    border-radius: 14px;
    margin-bottom: 20px;
    font-weight: 700;
}

.bcts-form-success {
    background: var(--bcts-blue-soft);
    color: var(--bcts-blue);
}

.bcts-form-error {
    background: var(--bcts-red-soft);
    color: var(--bcts-red);
}

.bcts-consult-form {
    margin-top: 10px;
}

.bcts-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px 24px;
}

.bcts-form-field label {
    display: block;
    color: var(--bcts-text);
    font-size: 15px;
    line-height: 1.35;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: 0;
    text-transform: none;
}

.bcts-form-field label span {
    color: var(--bcts-red);
}

.bcts-form-field input,
.bcts-form-field textarea {
    width: 100%;
    border: 1px solid var(--bcts-border);
    border-radius: 15px;
    background: #fff;
    color: var(--bcts-text);
    font-size: 15px;
    line-height: 1.4;
    font-weight: 400;
    letter-spacing: 0;
    text-transform: none;
    outline: none;
    box-shadow: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.bcts-form-field input {
    height: 52px;
    padding: 0 16px;
}

.bcts-form-field textarea {
    min-height: 140px;
    padding: 15px 16px;
    resize: vertical;
}

.bcts-form-field input::placeholder,
.bcts-form-field textarea::placeholder {
    color: #8a98a8;
}

.bcts-form-field input:focus,
.bcts-form-field textarea:focus {
    border-color: var(--bcts-blue);
    box-shadow: 0 0 0 3px rgba(0, 87, 184, 0.13);
}

.bcts-form-field input[readonly] {
    background: #f4f9ff;
    color: var(--bcts-blue);
    font-weight: 700;
}

.bcts-form-full {
    grid-column: 1 / -1;
}

/* Nút gửi form - sửa font chữ */
.bcts-submit-btn,
.bcts-consult-form button,
button.bcts-submit-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 220px;
    min-height: 52px;
    margin-top: 24px;
    border: none;
    border-radius: 999px;
    background: var(--bcts-red);
    color: #fff;
    padding: 0 32px;
    font-family: Arial, Helvetica, sans-serif !important;
    font-size: 15px;
    line-height: 1;
    font-weight: 700;
    letter-spacing: 0;
    text-transform: none;
    text-decoration: none;
    cursor: pointer;
    box-shadow: 0 8px 20px rgba(227, 6, 19, 0.22);
    transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.bcts-submit-btn:hover,
.bcts-submit-btn:focus,
.bcts-consult-form button:hover,
.bcts-consult-form button:focus,
button.bcts-submit-btn:hover,
button.bcts-submit-btn:focus {
    background: var(--bcts-blue);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(0, 87, 184, 0.22);
}

/* Ẩn ảnh đại diện nếu theme tự phóng quá to */
.single-bcts_intake .post-thumbnail,
.single-bcts_intake .entry-image,
.single-bcts_intake .wp-post-image {
    display: none !important;
}

/* ======================================================
   RESPONSIVE TABLET
====================================================== */

@media (max-width: 991px) {
    .bcts-filter {
        grid-template-columns: 1fr 1fr;
    }

    .bcts-filter input {
        grid-column: 1 / -1;
    }

    .bcts-filter button {
        grid-column: 1 / -1;
        width: 100%;
    }

    .bcts-card {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .bcts-card-action {
        justify-content: flex-start;
    }

    .bcts-card-action a {
        width: auto;
        min-width: 170px;
    }

    .bcts-single-info {
        grid-template-columns: 1fr 1fr;
    }

    .bcts-single-hero h1 {
        font-size: 34px;
    }
}

/* ======================================================
   RESPONSIVE MOBILE
====================================================== */

@media (max-width: 549px) {
    .bcts-wrapper {
        padding: 30px 12px 60px;
    }

    .bcts-filter {
        grid-template-columns: 1fr;
        padding: 22px 16px 16px;
        border-radius: 20px;
        gap: 10px;
    }

    .bcts-filter::before {
        left: 16px;
        font-size: 12px;
    }

    .bcts-filter input,
    .bcts-filter select,
    .bcts-filter button {
        height: 46px;
        min-height: 46px;
        font-size: 14px;
    }

    .bcts-card {
        padding: 24px 20px;
        border-radius: 22px;
    }

    .bcts-card-date {
        padding-left: 14px;
    }

    .bcts-card-head {
        flex-direction: column;
        align-items: flex-start;
    }

    .bcts-card h3 {
        font-size: 22px;
    }

    .bcts-card-meta {
        flex-direction: column;
        gap: 7px;
    }

    .bcts-card-action a {
        width: 100%;
    }

    .bcts-single-page {
        padding: 36px 12px 60px;
    }

    .bcts-single-hero {
        padding: 30px 24px;
        border-radius: 24px;
    }

    .bcts-single-hero h1 {
        font-size: 28px;
    }

    .bcts-single-info,
    .bcts-form-grid {
        grid-template-columns: 1fr;
    }

    .bcts-single-content,
    .bcts-consult-form-wrap {
        padding: 26px 20px;
        border-radius: 22px;
    }

    .bcts-submit-btn,
    .bcts-consult-form button,
    button.bcts-submit-btn {
        width: 100%;
    }
}

/* ======================================================
   SHORTCODE KHU VỰC TUYỂN SINH
   Dùng shortcode: [khu_vuc_tuyen_sinh]
====================================================== */

.bcts-region-grid,
.bcts-region-grid * {
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
}

.bcts-region-grid {
    max-width: 1180px;
    margin: 0 auto;
    padding: 30px 15px 70px;
    display: grid;
    grid-template-columns: repeat(var(--bcts-region-cols, 4), minmax(0, 1fr));
    gap: 42px 34px;
}

.bcts-region-card {
    display: block;
    text-align: center;
    text-decoration: none;
    color: #101828;
}

.bcts-region-image {
    width: 100%;
    aspect-ratio: 1 / 1;
    border-radius: 10px;
    overflow: hidden;
    background: #f4f9ff;
    box-shadow: 0 10px 28px rgba(0, 87, 184, 0.08);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.bcts-region-image img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    transition: transform 0.35s ease;
}

.bcts-region-title {
    margin: 16px 0 0;
    font-size: 20px;
    line-height: 1.35;
    color: #222;
    font-weight: 700;
    text-align: center;
}

.bcts-region-card:hover .bcts-region-image {
    transform: translateY(-4px);
    box-shadow: 0 16px 36px rgba(0, 87, 184, 0.16);
}

.bcts-region-card:hover .bcts-region-image img {
    transform: scale(1.05);
}

.bcts-region-card:hover .bcts-region-title {
    color: #0057b8;
}

.bcts-region-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0057b8, #003f88);
}

.bcts-region-placeholder span {
    color: #fff;
    font-size: 54px;
    font-weight: 800;
}

.bcts-region-empty {
    max-width: 1180px;
    margin: 30px auto;
    padding: 24px;
    border-radius: 16px;
    background: #f4f9ff;
    color: #667085;
    text-align: center;
}

/* Tablet */
@media (max-width: 991px) {
    .bcts-region-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 34px 24px;
    }

    .bcts-region-title {
        font-size: 19px;
    }
}

/* Mobile */
@media (max-width: 549px) {
    .bcts-region-grid {
        grid-template-columns: 1fr;
        padding: 24px 12px 50px;
        gap: 28px;
    }

    .bcts-region-title {
        font-size: 18px;
    }
}