.StyleRed {
	color: #c62828;
	font-weight: bold;
}
.btn {
    display: inline-block;
    font-weight: 400;
    text-align: center;
    vertical-align: middle;
    cursor: pointer;
    user-select: none;
    background-color: transparent;
    border: 1px solid transparent;
    padding: 0.5rem 1rem;
    font-size: 1rem;
    line-height: 1.5;
    border-radius: var(--border-radius);
    transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.btn-primary {
    color: #fff;
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
}

.btn-secondary {
    color: #fff;
    background-color: var(--color-secondary);
    border-color: var(--color-secondary);
}

/* ---== Forms & Inputs ==--- */
.form-group {
    margin-bottom: 1rem;
}

.form-control {
    display: block;
    width: 100%;
    padding: 0.375rem 0.75rem;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: #495057;
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid #ced4da;
    border-radius: var(--border-radius);
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus {
    color: #495057;
    background-color: #fff;
    border-color: #80bdff;
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

/* ---== Player UI / Quiz Play Screen ==--- */
.play-hud {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    font-weight: bold;
}

.answer-option {
    display: block;
    width: 100%;
    margin-bottom: 0.5rem;
    padding: 1rem;
    font-size: 1.2rem;
    text-align: left;
}
.answer-option.correct {
    background-color: var(--color-success);
    color: white;
    border-color: var(--color-success);
}
.answer-option.incorrect {
    background-color: var(--color-danger);
    color: white;
    border-color: var(--color-danger);
}
.answer-option:disabled {
    cursor: not-allowed;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideInUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

.slide-in-up {
    animation: slideInUp 0.5s ease-in-out;
}

/* ---== Modals ==--- */
.modal {
    display: none;
    position: fixed;
    z-index: 1050;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    outline: 0;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
    position: relative;
    background-color: #fff;
    margin: 1.75rem auto;
    border: 1px solid rgba(0,0,0,.2);
    border-radius: .3rem;
    max-width: 500px;
    padding: 2rem;
}

/* ---== Organizer/Admin Dashboards ==--- */
.table {
    width: 100%;
    margin-bottom: 1rem;
    color: var(--color-text);
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 0.75rem;
    vertical-align: top;
    border-top: 1px solid #dee2e6;
}

.table thead th {
    vertical-align: bottom;
    border-bottom: 2px solid #dee2e6;
}

/* ---== PWA Update Notification Banner ==--- */
.update-notification {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-info);
    color: white;
    padding: 1rem;
    text-align: center;
    z-index: 1100;
    display: none; /* Shown via JS */
}
.update-notification p {
    margin: 0;
    display: inline;
}
.update-notification .btn-update {
    margin-left: 1rem;
    background-color: white;
    color: var(--color-info);
    font-weight: bold;
}

/* ---== FAQ Chips ==--- */
.gtc-faq-chip-trigger,
[data-faq-chip-trigger] {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    margin-left: 0.25rem;
    padding: 0;
    border: 0;
    border-radius: 999px;
    background: transparent;
    color: #9ca3af;
    line-height: 0;
    vertical-align: middle;
    cursor: help;
    touch-action: manipulation;
    transition: color 0.2s ease;
    appearance: none;
}

.gtc-faq-text-group,
.gtc-faq-action-group {
    min-width: 0;
    max-width: 100%;
    vertical-align: middle;
}

.gtc-faq-text-group {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    flex-wrap: wrap;
}

.gtc-faq-action-group {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: nowrap;
}

@media (max-width: 640px) {
    .gtc-faq-action-group {
        flex-wrap: wrap;
        row-gap: 0.35rem;
    }
}

.gtc-faq-text-group .gtc-faq-chip-trigger,
.gtc-faq-text-group [data-faq-chip-trigger],
.gtc-faq-action-group .gtc-faq-chip-trigger,
.gtc-faq-action-group [data-faq-chip-trigger] {
    margin-left: 0;
    flex: 0 0 auto;
}

.gtc-faq-chip-trigger__icon {
    width: 18px;
    height: 18px;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    overflow: visible;
}

.gtc-faq-chip-trigger__label {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.gtc-faq-chip-trigger:hover,
[data-faq-chip-trigger]:hover,
.gtc-faq-chip-trigger:focus-visible,
[data-faq-chip-trigger]:focus-visible {
    color: #2563eb;
}

.gtc-faq-chip-trigger:focus-visible,
[data-faq-chip-trigger]:focus-visible {
    outline: 2px solid rgba(37, 99, 235, 0.22);
    outline-offset: 2px;
}

.gtc-faq-chip-popover {
    position: fixed;
    z-index: 1300;
    width: min(320px, calc(100vw - 24px));
    max-width: calc(100vw - 24px);
    max-height: min(70vh, calc(100vh - 24px));
    box-sizing: border-box;
    overflow: auto;
    overscroll-behavior: contain;
    padding: 12px 14px;
    border: 1px solid rgba(37, 99, 235, 0.16);
    border-radius: 8px;
    background: #ffffff;
    color: #1f2937;
    box-shadow: 0 18px 42px rgba(15, 23, 42, 0.18);
    opacity: 0;
    transform: translateY(-4px) scale(0.98);
    transform-origin: top left;
    transition: opacity 0.18s ease, transform 0.18s ease;
    overflow-wrap: anywhere;
    word-break: break-word;
}

@supports (width: 100dvw) {
    .gtc-faq-chip-popover {
        width: min(320px, calc(100dvw - 24px));
        max-width: calc(100dvw - 24px);
    }
}

@supports (max-height: 100dvh) {
    .gtc-faq-chip-popover {
        max-height: min(70dvh, calc(100dvh - 24px));
    }
}

.gtc-faq-chip-popover:focus-visible {
    outline: 3px solid rgba(37, 99, 235, 0.28);
    outline-offset: 2px;
}

.gtc-faq-chip-popover.is-open {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.gtc-faq-chip-popover::before {
    content: "";
    position: absolute;
    left: 16px;
    width: 12px;
    height: 12px;
    background: inherit;
    border-left: 1px solid rgba(37, 99, 235, 0.16);
    border-top: 1px solid rgba(37, 99, 235, 0.16);
}

.gtc-faq-chip-popover[data-placement="bottom"]::before {
    top: -7px;
    transform: rotate(45deg);
}

.gtc-faq-chip-popover[data-placement="top"]::before {
    bottom: -7px;
    transform: rotate(225deg);
}

.gtc-faq-chip-popover__eyebrow {
    display: inline-flex;
    align-items: flex-end;
    gap: 0.4rem;
    flex-wrap: wrap;
    margin: 0 0 0.45rem;
    line-height: 1;
    color: #1d4ed8;
}

.gtc-faq-chip-popover__eyebrow-main {
    display: inline-block;
    padding: 0.28rem 0.5rem 0.3rem;
    border-radius: 999px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.14), rgba(37, 99, 235, 0.2));
    border: 1px solid rgba(37, 99, 235, 0.18);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    white-space: nowrap;
}

.gtc-faq-chip-popover__eyebrow-sub {
    font-size: 0.62rem;
    font-weight: 700;
    line-height: 150%;
    letter-spacing: 0.06em;
    opacity: 0.82;
    transform: translateY(-0.02rem);
    white-space: normal;
}

.gtc-faq-chip-popover__title {
    margin: 0;
    color: #0f172a;
    font-size: 0.92rem;
    font-weight: 700;
    line-height: 1.5;
}

.gtc-faq-chip-popover__body,
.gtc-faq-chip-popover__status {
    margin-top: 0.55rem;
    font-size: 0.84rem;
    line-height: 1.6;
    color: #334155;
}

.gtc-faq-chip-popover__status.is-loading {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.gtc-faq-chip-popover__status.is-loading::before {
    content: "";
    width: 0.9rem;
    height: 0.9rem;
    border: 2px solid rgba(37, 99, 235, 0.18);
    border-top-color: #2563eb;
    border-radius: 50%;
    animation: gtcFaqChipSpin 0.75s linear infinite;
    flex: 0 0 auto;
}

.gtc-faq-chip-popover__link {
    display: inline-flex;
    align-items: center;
    margin-top: 0.7rem;
    color: #1d4ed8;
    font-size: 0.84rem;
    font-weight: 700;
    text-decoration: none;
}

.gtc-faq-chip-popover__link:hover {
    text-decoration: underline;
}

@keyframes gtcFaqChipSpin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* ---== Accessibility ==--- */
:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

/* ---== Responsive Design (as per SRS) ==--- */

/* Tablet (e.g., 810x1080) */
@media (max-width: 810px) {
    body {
        font-size: 15px;
    }
    .container {
        width: 95%;
    }
}

/* Smartphone (e.g., 390x844) */
@media (max-width: 480px) {
    body {
        font-size: 14px;
    }
    .btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.9rem;
    }
    .play-hud {
        flex-direction: column;
        align-items: center;
        gap: 0.5rem;
    }
}