body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    background: radial-gradient(circle at top,
            var(--bg-gradient-top),
            var(--bg-main));
    color: var(--text-main);
}

/* กลางจอ */
.event-wrapper {
    width: 100%;
    margin: 0 auto;

    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Glass Card */
.event-card {
    width: 420px;
    padding: 32px;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-box);
    box-shadow: 0 20px 60px rgba(0, 0, 0, .6);
}


/* Header */
.event-header {
    text-align: center;
    margin-bottom: 24px;
}

.event-header h1 {
    margin: 10px 0 5px;
    font-weight: 700;
    color: var(--text-main);
}

.event-header p {
    color: var(--text-muted);
    font-size: 14px;
}

.badge-event {
    background: linear-gradient(135deg,
            var(--color-primary-light),
            var(--color-primary));
    color: var(--btn-text);
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
}


/* Sections */
.event-section {
    margin-bottom: 18px;
}

.event-section h6 {
    font-size: 13px;
    color: var(--color-primary-light);
    margin-bottom: 4px;
}

.event-section p {
    font-size: 14px;
    color: var(--text-soft);
}

.event-time {
    font-weight: 600;
}

/* Input */
.event-section input {
    width: 100%;
    padding: 12px;
    border-radius: var(--radius-button);
    border: none;
    background: rgba(0, 0, 0, .35);
    color: var(--text-main);
    outline: none;
}

.event-section input::placeholder {
    color: var(--text-muted);
}

.event-section input:focus {
    box-shadow: 0 0 0 2px var(--color-primary);
}

.btn-start {
    width: 100%;
    margin-top: 12px;
    padding: 14px;
    border-radius: var(--radius-button);
    border: none;
    font-weight: bold;
    background: var(--btn-bg);
    color: var(--btn-text);
    box-shadow: 0 6px 0 var(--btn-shadow-strong);
    transition: .2s;
}

.btn-start:active {
    transform: translateY(3px);
    box-shadow: 0 3px 0 var(--btn-shadow-pressed);
}


/* Modal */
.error-modal {
    background: var(--bg-card);
    border-radius: var(--radius-box);
    color: var(--text-main);
}

.btn-close-modal {
    margin-top: 10px;
    padding: 10px 30px;
    border-radius: var(--radius-button);
    border: none;
    background: var(--btn-bg);
    color: var(--btn-text);
    font-weight: bold;
}


.promo-banner-list {
    width: 100%;
    max-width: 420px;
    /* เท่ากับ event-card */
    margin: 24px auto 0;
    display: grid;
    grid-template-columns: 1fr;
    gap: 18px;
}

.promo-banner-item {
    position: relative;
    width: 100%;
    overflow: hidden;
    border-radius: var(--radius-box);
    background: linear-gradient(135deg,
            var(--color-primary-dark),
            var(--color-primary));
    box-shadow:
        0 10px 30px rgba(0, 0, 0, .45),
        0 0 20px var(--btn-shadow);
    transition: transform .25s ease, box-shadow .25s ease;
}

.promo-banner-item:hover {
    transform: translateY(-4px);
    box-shadow:
        0 20px 40px rgba(0, 0, 0, .6),
        0 0 30px var(--btn-shadow-strong);
}

.promo-banner-item::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom,
            rgba(0, 0, 0, 0) 55%,
            rgba(0, 0, 0, .45));
    pointer-events: none;
}


.promo-banner-item img {
    width: 100%;
    display: block;
}