/* Thi thử cùng vuihoc - UI styles */
.thi-thu-cung-vuihoc {
    min-height: 100vh;
    padding-bottom: 40px;
}

/* Header banner */
.ttcv-banner {
    padding: 40px 0 0 0;
}

.ttcv-banner__title {
    font-family: 'Baloo', 'Quicksand', sans-serif;
    font-size: 32px;
    font-weight: 700;
    color: #000000;
    margin: 0;
    text-align: center;
}

.ttcv-logo {
    display: inline-block;
    height: 34px;
    margin-top: -10px;
}

.ttcv-logo-suffix {
    color: #5BC0EB;
}

/* Main content */
.ttcv-main {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 40px;
}

/* Step card - mỗi step 1 card riêng */
.ttcv-step-card {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    padding: 32px 40px;
    border: 1px solid #eee;
}

/* Section */
.ttcv-section {
    margin: 0;
    padding: 0;
    border: none;
}

/* Step header */
.ttcv-step-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.ttcv-step-num {
    width: 36px;
    height: 36px;
    background: #FF6609;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
}

.ttcv-step-check {
    color: #21C58E;
    font-size: 22px;
}

.ttcv-step-title {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin: 0;
}

/* Grade level cards */
.ttcv-grade-levels {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.ttcv-level-card {
    border: 2px solid #E0E0E0;
    border-radius: 12px;
    padding: 24px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
    background: #fff;
}

.ttcv-level-card:hover {
    border-color: #FF6609;
}

.ttcv-level-card--active {
    border-color: #FF6609;
    background: #FFF5ED;
}

.ttcv-level-icon {
    font-size: 48px;
    margin-bottom: 12px;
}

.ttcv-level-icon--primary {
    color: #2CA9E2;
}

.ttcv-level-icon--gray {
    color: #9E9E9E;
}

.ttcv-level-card--active .ttcv-level-icon--gray {
    color: #2CA9E2;
}

.ttcv-level-name {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin-bottom: 4px;
}

.ttcv-level-desc {
    font-size: 14px;
    color: #666;
}

/* Grade specific */
.ttcv-grade-specific {
    margin-top: 16px;
}

.ttcv-grade-label {
    font-size: 14px;
    color: #666;
    margin-bottom: 12px;
}

.ttcv-grade-btns {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.ttcv-grade-btn {
    padding: 10px 20px;
    border: 1px solid #E0E0E0;
    border-radius: 8px;
    background: #fff;
    color: #666;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.ttcv-grade-btn:hover {
    border-color: #FF6609;
}

.ttcv-grade-btn--active {
    background: #FF6609;
    border-color: #FF6609;
    color: #fff;
}

/* Subject cards */
.ttcv-subject-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.ttcv-subject-card {
    border: 2px solid #E0E0E0;
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
    background: #fff;
}

.ttcv-subject-card:hover {
    border-color: #FF6609;
}

.ttcv-subject-card--active {
    border-color: #FF6609;
    background: #FFF5ED;
}

.ttcv-subject-icon {
    font-size: 40px;
    margin-bottom: 12px;
    color: #9E9E9E;
}

.ttcv-subject-card--active .ttcv-subject-icon {
    color: #FF6609;
}

.ttcv-subject-icon.fa-calculator,
.ttcv-subject-icon.fa-book { color: #8B4513; }
.ttcv-subject-card--active .ttcv-subject-icon.fa-calculator,
.ttcv-subject-card--active .ttcv-subject-icon.fa-book { color: #8B4513; }

.ttcv-subject-name {
    font-size: 15px;
    font-weight: 600;
    color: #333;
}

/* Book cards */
.ttcv-book-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.ttcv-book-card {
    border: 2px solid #E0E0E0;
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ttcv-book-card:hover {
    border-color: #FF6609;
}

.ttcv-book-card--active {
    border-color: #FF6609;
    background: #FFF5ED;
}

.ttcv-book-name {
    font-size: 15px;
    font-weight: 600;
    color: #333;
}

.ttcv-step-card--summary {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
    position: relative;
}

.ttcv-summary-note {
    font-size: 14px;
    color: #666;
    margin-bottom: 0;
    font-style: italic;
    text-align: center;
}

/* Summary & CTA */
.ttcv-summary {
    margin: 0;
    padding: 24px;
    border: none;
    background-color: #97deff30;
    border: 1px solid #97deff;
    border-radius: 24px;
    width: 100%;
    max-width: 600px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
}

.ttcv-summary-box {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: linear-gradient(135deg, #FFF9F5 0%, #FFF5ED 100%);
    border: 1px solid #FFE4D4;
    border-radius: 12px;
    margin-bottom: 16px;
}

.ttcv-summary-icon {
    color: #21C58E;
    font-size: 24px;
    flex-shrink: 0;
}

.ttcv-summary-box span {
    font-size: 16px;
    color: #333;
}

.ttcv-summary-box strong {
    color: #FF6609;
}

.ttcv-summary-note {
    font-size: 14px;
    color: #666;
}

.ttcv-cta-area {
    display: flex;
    align-items: center;
    gap: 32px;
}

.ttcv-cta-left {
    flex-shrink: 0;
}

.ttcv-cta-right {
    flex: 1;
}

.ttcv-mascot {
    width: 240px;
    height: auto;
    position: absolute;
    bottom: -20px;
    left: -60px;
}

.ttcv-form {
    margin-bottom: 12px;
}

.ttcv-btn-start {
    display: inline-block;
    padding: 16px 48px;
    background: #FF6609;
    color: #fff;
    border: none;
    margin-top: 20px;
    border-radius: 12px;
    font-size: 28px;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.2s ease-in-out;
    box-shadow: 0 4px 32px 12px rgba(255, 102, 9, 0.3);
}

.ttcv-btn-start:hover:not(:disabled) {
    background: #E55A00;
    box-shadow: 0 6px 16px rgba(255, 102, 9, 0.35);
}

.ttcv-btn-start:disabled {
    background: #ccc;
    cursor: not-allowed;
    box-shadow: none;
}

.ttcv-time-note {
    color: #181818;
    text-transform: uppercase;
    margin: 0;
}

.ttcv-time-note--bold {
    font-weight: 700;
}

.ttcv-summary-text {
    text-align: center;
}

.ttcv-summary-text__highlight {
    color: #FF6609;
    font-weight: 700;
    font-size: 16px;
    display: inline-block;
    background: #fff;
    padding: 0 4px;
    border-radius: 8px;
}

.ttcv-summary-text__highlight--primary {
    color: #2CA9E2;
}

/* No exam notice (lớp 9) */
.ttcv-step-card--no-exam {
    text-align: center;
    padding: 48px 40px;
    border: 2px dashed #FFD0B0;
    background: #FFFAF5;
}

.ttcv-no-exam {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.ttcv-no-exam__icon {
    font-size: 56px;
    color: #FF6609;
    opacity: 0.7;
}

.ttcv-no-exam__text {
    font-size: 24px;
    font-weight: 700;
    color: #FF6609;
    margin: 0;
}

.ttcv-no-exam__sub {
    font-size: 15px;
    color: #888;
    margin: 0;
}

/* Responsive */
@media (max-width: 768px) {
    .ttcv-banner__title {
        font-size: 24px;
    }

    .ttcv-logo {
        margin-top: 0;
    }

    .ttcv-step-card {
        padding: 24px 20px;
    }

    .ttcv-grade-levels {
        grid-template-columns: 1fr;
    }

    .ttcv-subject-cards {
        grid-template-columns: repeat(2, 1fr);
    }

    .ttcv-book-cards {
        grid-template-columns: 1fr;
    }

    .ttcv-cta-area {
        flex-direction: column;
        gap: 20px;
    }

    .ttcv-cta-left {
        order: 2;
    }

    .ttcv-cta-right {
        order: 1;
    }

    .ttcv-mascot {
        width: 100px;
        display: none;
    }

    .ttcv-time-note--bold {
        text-align: center;
    }
}