/* style/giai-dau-su-kien.css */

:root {
    --rr88-primary: #11A84E;
    --rr88-secondary: #22C768;
    --rr88-card-bg: #11271B;
    --rr88-background: #08160F;
    --rr88-text-main: #F2FFF6;
    --rr88-text-secondary: #A7D9B8;
    --rr88-border: #2E7A4E;
    --rr88-glow: #57E38D;
    --rr88-gold: #F2C14E;
    --rr88-divider: #1E3A2A;
    --rr88-deep-green: #0A4B2C;
    --rr88-button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
}

.page-giai-dau-su-kien {
    font-family: 'Arial', sans-serif;
    color: var(--rr88-text-main);
    background-color: var(--rr88-background);
}

.page-giai-dau-su-kien__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
    box-sizing: border-box;
}

/* Hero Section */
.page-giai-dau-su-kien__hero-section {
    padding-top: 10px; /* Rely on body padding-top from shared.css for header offset */
    padding-bottom: 60px;
    background-color: var(--rr88-background);
    color: var(--rr88-text-main);
}

.page-giai-dau-su-kien__hero-container {
    display: flex;
    align-items: center;
    gap: 40px;
    padding: 60px 0;
    flex-wrap: wrap;
}

.page-giai-dau-su-kien__hero-content {
    flex: 1;
    min-width: 300px;
}

.page-giai-dau-su-kien__hero-title {
    font-size: 3.2em;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--rr88-gold);
    max-width: 600px;
}

.page-giai-dau-su-kien__hero-description {
    font-size: 1.1em;
    line-height: 1.6;
    margin-bottom: 30px;
    color: var(--rr88-text-secondary);
}

.page-giai-dau-su-kien__cta-group {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.page-giai-dau-su-kien__btn-primary,
.page-giai-dau-su-kien__btn-secondary,
.page-giai-dau-su-kien__card-button {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1em;
    transition: all 0.3s ease;
    text-align: center;
    white-space: normal;
    word-wrap: break-word;
    box-sizing: border-box;
}

.page-giai-dau-su-kien__btn-primary {
    background: var(--rr88-button-gradient);
    color: var(--rr88-text-main);
    border: none;
    box-shadow: 0 4px 15px rgba(0, 255, 102, 0.3);
}

.page-giai-dau-su-kien__btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 255, 102, 0.4);
}

.page-giai-dau-su-kien__btn-secondary {
    background-color: transparent;
    color: var(--rr88-text-main);
    border: 2px solid var(--rr88-primary);
}

.page-giai-dau-su-kien__btn-secondary:hover {
    background-color: var(--rr88-primary);
    color: #fff;
    transform: translateY(-2px);
}

.page-giai-dau-su-kien__hero-image {
    flex: 1;
    min-width: 300px;
    text-align: center;
}

.page-giai-dau-su-kien__main-image {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

/* General Section Styling */
.page-giai-dau-su-kien__overview-section,
.page-giai-dau-su-kien__upcoming-tournaments-section,
.page-giai-dau-su-kien__special-events-section,
.page-giai-dau-su-kien__past-events-section,
.page-giai-dau-su-kien__faq-section {
    padding: 60px 0;
    background-color: var(--rr88-background);
    color: var(--rr88-text-main);
}

.page-giai-dau-su-kien__section-title {
    font-size: 2.5em;
    font-weight: 700;
    text-align: center;
    margin-bottom: 40px;
    color: var(--rr88-gold);
}

.page-giai-dau-su-kien__text-block {
    font-size: 1.1em;
    line-height: 1.7;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px;
    color: var(--rr88-text-secondary);
}

/* Card Styling */
.page-giai-dau-su-kien__card {
    background-color: var(--rr88-card-bg);
    border: 1px solid var(--rr88-border);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    color: var(--rr88-text-main);
}

.page-giai-dau-su-kien__card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.page-giai-dau-su-kien__card-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
}

.page-giai-dau-su-kien__card-content {
    padding: 25px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.page-giai-dau-su-kien__card-title {
    font-size: 1.5em;
    font-weight: 600;
    margin-bottom: 10px;
    line-height: 1.3;
}

.page-giai-dau-su-kien__card-title a {
    color: var(--rr88-text-main);
    text-decoration: none;
    transition: color 0.3s ease;
}

.page-giai-dau-su-kien__card-title a:hover {
    color: var(--rr88-gold);
}

.page-giai-dau-su-kien__card-meta {
    font-size: 0.95em;
    color: var(--rr88-text-secondary);
    margin-bottom: 15px;
}

.page-giai-dau-su-kien__card-description {
    font-size: 1em;
    line-height: 1.6;
    color: var(--rr88-text-secondary);
    margin-bottom: 20px;
    flex-grow: 1;
}

.page-giai-dau-su-kien__card-button {
    margin-top: auto;
    width: 100%;
}

/* Tournament Grid */
.page-giai-dau-su-kien__tournament-grid,
.page-giai-dau-su-kien__event-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

/* Past Events List */
.page-giai-dau-su-kien__past-event-list {
    max-width: 900px;
    margin: 0 auto;
    padding-top: 20px;
}

.page-giai-dau-su-kien__past-event-item {
    background-color: var(--rr88-card-bg);
    border: 1px solid var(--rr88-border);
    border-radius: 10px;
    padding: 25px;
    margin-bottom: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.page-giai-dau-su-kien__past-event-title {
    font-size: 1.8em;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--rr88-gold);
}

.page-giai-dau-su-kien__past-event-meta {
    font-size: 0.95em;
    color: var(--rr88-text-secondary);
    margin-bottom: 10px;
}

.page-giai-dau-su-kien__past-event-description {
    font-size: 1em;
    line-height: 1.6;
    color: var(--rr88-text-secondary);
}

/* FAQ Section */
.page-giai-dau-su-kien__faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.page-giai-dau-su-kien__faq-item {
    background-color: var(--rr88-card-bg);
    border: 1px solid var(--rr88-border);
    border-radius: 10px;
    margin-bottom: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.page-giai-dau-su-kien__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    font-size: 1.2em;
    font-weight: 600;
    color: var(--rr88-text-main);
    cursor: pointer;
    list-style: none;
    transition: background-color 0.3s ease;
}

.page-giai-dau-su-kien__faq-question:hover {
    background-color: rgba(var(--rr88-primary), 0.1);
}

.page-giai-dau-su-kien__faq-item[open] .page-giai-dau-su-kien__faq-question {
    background-color: var(--rr88-deep-green);
    color: var(--rr88-text-main);
}

.page-giai-dau-su-kien__faq-qtext {
    flex-grow: 1;
}

.page-giai-dau-su-kien__faq-toggle {
    font-size: 1.5em;
    line-height: 1;
    margin-left: 20px;
    color: var(--rr88-gold);
}

.page-giai-dau-su-kien__faq-answer {
    padding: 0 25px 20px;
    font-size: 1em;
    line-height: 1.7;
    color: var(--rr88-text-secondary);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.page-giai-dau-su-kien__faq-item[open] .page-giai-dau-su-kien__faq-answer {
    max-height: 500px;
    transition: max-height 0.5s ease-in;
}

/* Hide default details marker */
.page-giai-dau-su-kien__faq-item > summary::-webkit-details-marker,
.page-giai-dau-su-kien__faq-item > summary::marker {
    display: none;
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .page-giai-dau-su-kien__hero-title {
        font-size: 2.8em;
    }
    .page-giai-dau-su-kien__section-title {
        font-size: 2.2em;
    }
    .page-giai-dau-su-kien__hero-container {
        padding: 40px 0;
    }
}

@media (max-width: 768px) {
    .page-giai-dau-su-kien__hero-section {
        padding-top: 10px !important;
        padding-bottom: 40px;
    }
    .page-giai-dau-su-kien__hero-container {
        flex-direction: column-reverse;
        text-align: center;
        padding: 30px 0;
    }
    .page-giai-dau-su-kien__hero-content {
        order: 2;
        width: 100%;
    }
    .page-giai-dau-su-kien__hero-image {
        order: 1;
        width: 100%;
        margin-bottom: 30px;
    }
    .page-giai-dau-su-kien__hero-title {
        font-size: 2.2em;
        max-width: 100%;
    }
    .page-giai-dau-su-kien__hero-description {
        font-size: 1em;
    }
    .page-giai-dau-su-kien__cta-group {
        flex-direction: column;
        gap: 15px;
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
        padding: 0 15px !important;
    }
    .page-giai-dau-su-kien__btn-primary,
    .page-giai-dau-su-kien__btn-secondary,
    .page-giai-dau-su-kien__card-button {
        max-width: 100% !important;
        width: 100% !important;
        padding: 12px 20px !important;
        font-size: 0.95em !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
    }

    .page-giai-dau-su-kien__container {
        padding: 0 15px !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    .page-giai-dau-su-kien__section-title {
        font-size: 1.8em;
        margin-bottom: 30px;
    }

    .page-giai-dau-su-kien img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
    }

    .page-giai-dau-su-kien__card-image {
        height: 200px;
    }

    .page-giai-dau-su-kien__tournament-grid,
    .page-giai-dau-su-kien__event-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .page-giai-dau-su-kien__card {
        margin-bottom: 15px;
    }

    .page-giai-dau-su-kien__past-event-item {
        padding: 20px;
    }
    .page-giai-dau-su-kien__past-event-title {
        font-size: 1.5em;
    }
    .page-giai-dau-su-kien__past-event-meta,
    .page-giai-dau-su-kien__past-event-description {
        font-size: 0.9em;
    }

    .page-giai-dau-su-kien__faq-question {
        padding: 15px 20px;
        font-size: 1.1em;
    }
    .page-giai-dau-su-kien__faq-answer {
        padding: 0 20px 15px;
    }
    .page-giai-dau-su-kien__faq-toggle {
        font-size: 1.3em;
    }
    .page-giai-dau-su-kien__hero-section,
    .page-giai-dau-su-kien__overview-section,
    .page-giai-dau-su-kien__upcoming-tournaments-section,
    .page-giai-dau-su-kien__special-events-section,
    .page-giai-dau-su-kien__past-events-section,
    .page-giai-dau-su-kien__faq-section {
        padding: 40px 0;
    }
}