/* Ynex-style theme. Token names keep the old "kahoot" prefix so existing pages and scoped CSS keep working. */
:root {
    --ynex-primary: #845adf;
    --ynex-primary-dark: #6b43c7;
    --ynex-primary-tint: #efe9fb;
    --ynex-sidebar: #111c43;
    --ynex-sidebar-text: #b9c0d8;
    --ynex-border: #e9ebf3;
    --kahoot-red: #d9432f;
    --kahoot-red-shadow: #b0321f;
    --kahoot-blue: #2f6fe0;
    --kahoot-blue-shadow: #2356b3;
    --kahoot-yellow: #f5b849;
    --kahoot-yellow-shadow: #c99320;
    --kahoot-green: #178a68;
    --kahoot-green-shadow: #0f6a50;
    --kahoot-bg: #f3f4f9;
    --kahoot-card: #ffffff;
    --kahoot-text: #2b2f3a;
    --kahoot-muted: #5f6676;
    --kahoot-border: #e9ebf3;
    --kahoot-track: #e6e8f0;
    --kahoot-accent-tint: #efe9fb;
    /* Medal colors encode the top-3 rank hierarchy. */
    --medal-gold: #ffd700;
    --medal-silver: #c0c0c0;
    --medal-bronze: #cd7f32;
}

body {
    background-color: var(--kahoot-bg);
    font-family: 'Poppins', sans-serif;
    color: var(--kahoot-text);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
}

/* Ynex shell: dark sidebar, white header, soft content area. */
.ynex-app { min-height: 100vh; }

.ynex-sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: 15rem;
    background: var(--ynex-sidebar);
    color: var(--ynex-sidebar-text);
    z-index: 1040;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    transition: transform 0.2s;
}

.ynex-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    height: 4rem;
    padding: 0 1.25rem;
    color: #fff;
    font-weight: 600;
    font-size: 1.15rem;
    text-decoration: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.ynex-brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: 0.5rem;
    background: var(--ynex-primary);
    color: #fff;
}

.ynex-menu { padding: 1rem 0.75rem; display: flex; flex-direction: column; gap: 0.15rem; }
.ynex-menu-title {
    padding: 1rem 0.75rem 0.4rem;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: #8c94b3;
}
.ynex-menu-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-height: 44px;
    padding: 0 0.75rem;
    border-radius: 0.5rem;
    color: var(--ynex-sidebar-text);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
}
.ynex-menu-link:hover { background: rgba(255, 255, 255, 0.06); color: #fff; }
.ynex-menu-link.active { background: var(--ynex-primary); color: #fff; }
.ynex-menu-link i { font-size: 1.05rem; }

.ynex-main { margin-left: 15rem; min-height: 100vh; display: flex; flex-direction: column; }

.ynex-header {
    position: sticky;
    top: 0;
    z-index: 1030;
    height: 4rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0 1.5rem;
    background: #fff;
    border-bottom: 1px solid var(--ynex-border);
}
.ynex-header-end { display: flex; align-items: center; gap: 0.75rem; margin-left: auto; }
.ynex-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
    border: 0;
    border-radius: 0.5rem;
    background: var(--ynex-primary-tint);
    color: var(--ynex-primary);
    font-size: 1.5rem;
}
.ynex-user { display: inline-flex; align-items: center; gap: 0.5rem; min-height: 44px; color: var(--kahoot-text); text-decoration: none; font-weight: 500; }
.ynex-avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 50%;
    background: var(--ynex-primary-tint);
    color: var(--ynex-primary);
}

.ynex-content { flex: 1; padding: 1.5rem; }
.ynex-backdrop { display: none; }

@media (max-width: 991.98px) {
    .ynex-sidebar { transform: translateX(-100%); }
    .ynex-main { margin-left: 0; }
    .ynex-toggle { display: inline-flex; }
    .ynex-header { padding: 0 1rem; }
    .ynex-content { padding: 1rem; }
    body.ynex-sidebar-open .ynex-sidebar { transform: none; }
    body.ynex-sidebar-open .ynex-backdrop { display: block; position: fixed; inset: 0; background: rgba(17, 28, 67, 0.5); z-index: 1035; }
}

/* Card Styling */
.card {
    border-radius: 0.5rem;
    border: 1px solid var(--ynex-border);
    background-color: var(--kahoot-card);
    margin-bottom: 1.5rem;
    box-shadow: 0 0.25rem 1rem rgba(17, 28, 67, 0.05);
}

.card-header {
    background-color: transparent;
    border-bottom: 1px solid var(--ynex-border);
    font-weight: 600;
    font-size: 1.05rem;
    padding: 1rem 1.25rem;
}

/* General Buttons: flat Ynex style. */
.btn {
    font-weight: 500;
    border-radius: 0.5rem;
    padding: 0.55rem 1.25rem;
    border: none;
    transition: background-color 0.15s, box-shadow 0.15s;
}

.btn-primary {
    background-color: var(--ynex-primary);
    color: #ffffff;
}

.btn-primary:hover, .btn-primary:active, .btn-primary:focus {
    background-color: var(--ynex-primary-dark);
    color: #ffffff;
}

/* Kahoot Options */
.quiz-option {
    border-radius: 8px;
    color: white;
    font-weight: 800;
    font-size: 1.5rem;
    padding: 20px;
    margin-bottom: 15px;
    width: 100%;
    text-align: left;
    display: flex;
    align-items: center;
    border: none;
    cursor: pointer;
    transition: transform 0.1s, box-shadow 0.1s, opacity 0.3s;
    font-family: 'Poppins', sans-serif;
}

.quiz-option:hover {
    filter: brightness(1.1);
    color: white;
}

.quiz-option:active {
    transform: translateY(6px);
}

.quiz-option-0 {
    --opt-bg: var(--kahoot-red);
    background-color: var(--kahoot-red);
    box-shadow: 0 6px 0 var(--kahoot-red-shadow);
}
.quiz-option-0:active { box-shadow: 0 0 0 var(--kahoot-red-shadow); }

.quiz-option-1 {
    --opt-bg: var(--kahoot-blue);
    background-color: var(--kahoot-blue);
    box-shadow: 0 6px 0 var(--kahoot-blue-shadow);
}
.quiz-option-1:active { box-shadow: 0 0 0 var(--kahoot-blue-shadow); }

.quiz-option-2 {
    --opt-bg: var(--kahoot-yellow);
    background-color: var(--kahoot-yellow);
    color: var(--kahoot-text);
    box-shadow: 0 6px 0 var(--kahoot-yellow-shadow);
}
.quiz-option-2:active { box-shadow: 0 0 0 var(--kahoot-yellow-shadow); }

.quiz-option-3 {
    --opt-bg: var(--kahoot-green);
    background-color: var(--kahoot-green);
    box-shadow: 0 6px 0 var(--kahoot-green-shadow);
}
.quiz-option-3:active { box-shadow: 0 0 0 var(--kahoot-green-shadow); }

/* Shape icons inside options */
.shape-icon {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 45px;
    height: 45px;
    margin-right: 15px;
}

.shape-triangle {
    width: 0;
    height: 0;
    border-left: 20px solid transparent;
    border-right: 20px solid transparent;
    border-bottom: 35px solid white;
}

.shape-diamond {
    width: 30px;
    height: 30px;
    background-color: white;
    transform: rotate(45deg);
}

.shape-circle {
    width: 35px;
    height: 35px;
    background-color: white;
    border-radius: 50%;
}

.shape-square {
    width: 35px;
    height: 35px;
    background-color: white;
}

/* Timer */
.quiz-timer {
    font-size: 3rem;
    font-weight: 800;
    background-color: #864cbf; /* Kahoot purple timer */
    color: white;
    border-radius: 50%;
    width: 100px;
    height: 100px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 20px auto;
    font-family: 'Poppins', sans-serif;
}

.timer-danger {
    background-color: var(--kahoot-red);
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

/* Option States */
/* Unselected options are faded by lightening the background, not the whole element, so the text keeps its contrast. */
.quiz-option.fade-out {
    background-color: color-mix(in srgb, var(--opt-bg) 30%, white);
    color: var(--kahoot-text);
    box-shadow: 0 2px 0 rgba(0,0,0,0.2);
    transform: translateY(4px);
    cursor: not-allowed;
}

.quiz-option-correct {
    background-color: var(--kahoot-green) !important;
    box-shadow: 0 6px 0 var(--kahoot-green-shadow) !important;
    opacity: 1 !important;
    animation: bounce 0.5s;
}

.quiz-option-wrong {
    background-color: var(--kahoot-red) !important;
    box-shadow: 0 6px 0 var(--kahoot-red-shadow) !important;
    opacity: 1 !important;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {transform: translateY(0);}
    40% {transform: translateY(-20px);}
    60% {transform: translateY(-10px);}
}

/* Host View Enhancements */
.host-question-text {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    padding: 30px;
    background: white;
    border-radius: 12px;
    border: 1px solid var(--kahoot-border);
    margin-bottom: 40px;
}

.leaderboard-item {
    display: flex;
    justify-content: space-between;
    padding: 15px 20px;
    background: white;
    margin-bottom: 10px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 1.25rem;
    border: 1px solid var(--kahoot-border);
}

.leaderboard-rank-1 { background-color: var(--medal-gold); color: #000; }
.leaderboard-rank-2 { background-color: var(--medal-silver); color: #000; }
.leaderboard-rank-3 { background-color: var(--medal-bronze); color: #000; }

/* Misc */
.text-primary { color: var(--ynex-primary) !important; }
/* Text colors darkened to reach WCAG AA (4.5:1) on the #f2f2f2 page background */
.text-muted { color: var(--kahoot-muted) !important; }
.text-info { color: var(--kahoot-blue) !important; }
.text-warning { color: #7a5a00 !important; }
.text-success { color: var(--kahoot-green-shadow) !important; }
.text-danger { color: var(--kahoot-red-shadow) !important; }
.text-secondary { color: #5c5c5c !important; }
.bg-primary { background-color: var(--ynex-primary) !important; }

/* Blazor Error UI */
#blazor-error-ui {
    background-color: var(--kahoot-red);
    color: white;
    bottom: 0;
    box-shadow: 0 -4px 12px rgba(0,0,0,0.2);
    display: none;
    left: 0;
    padding: 1rem 2rem;
    position: fixed;
    width: 100%;
    z-index: 9999;
    text-align: center;
    font-weight: 700;
}

#blazor-error-ui a.reload {
    color: white;
    text-decoration: underline;
    margin-left: 10px;
}

#blazor-error-ui .dismiss {
    background: none;
    border: 0;
    font-size: 1.75rem;
    line-height: 1;
    min-width: 44px;
    min-height: 44px;
    cursor: pointer;
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: white;
}

/* Minimum 44px touch targets */
.navbar-brand,
.navbar-toggler,
.nav-link,
.form-control,
.form-select,
.btn-sm {
    min-height: 44px;
}
.navbar-brand,
.navbar-toggler,
.nav-link,
.btn-sm {
    display: inline-flex;
    align-items: center;
}
.navbar-toggler { min-width: 44px; justify-content: center; }

/* One palette: dark neutral (primary) + the four answer colors; blue is the accent (info). */
:root {
    --bs-primary: #845adf;
    --bs-primary-rgb: 132, 90, 223;
    --bs-link-color: var(--ynex-primary);
    --bs-link-color-rgb: 132, 90, 223;
    --bs-link-hover-color: var(--ynex-primary-dark);
    --bs-info: var(--kahoot-blue);
    --bs-info-rgb: 47, 111, 224;
    --bs-success: var(--kahoot-green);
    --bs-success-rgb: 23, 138, 104;
    --bs-danger: var(--kahoot-red);
    --bs-danger-rgb: 217, 67, 47;
}
.btn-info, .btn-success, .btn-danger, .btn-warning {
    --bs-btn-color: #fff;
    --bs-btn-hover-color: #fff;
    --bs-btn-active-color: #fff;
    --bs-btn-disabled-color: #fff;
    --bs-btn-border-color: transparent;
    --bs-btn-hover-border-color: transparent;
    --bs-btn-active-border-color: transparent;
}
.btn-info { --bs-btn-bg: var(--kahoot-blue); --bs-btn-hover-bg: var(--kahoot-blue-shadow); --bs-btn-active-bg: var(--kahoot-blue-shadow); --bs-btn-disabled-bg: var(--kahoot-blue); }
.btn-success { --bs-btn-bg: var(--kahoot-green); --bs-btn-hover-bg: var(--kahoot-green-shadow); --bs-btn-active-bg: var(--kahoot-green-shadow); --bs-btn-disabled-bg: var(--kahoot-green); }
.btn-danger { --bs-btn-bg: var(--kahoot-red); --bs-btn-hover-bg: var(--kahoot-red-shadow); --bs-btn-active-bg: var(--kahoot-red-shadow); --bs-btn-disabled-bg: var(--kahoot-red); }
.btn-warning { --bs-btn-color: var(--kahoot-text); --bs-btn-hover-color: var(--kahoot-text); --bs-btn-active-color: var(--kahoot-text); --bs-btn-bg: var(--kahoot-yellow); --bs-btn-hover-bg: var(--kahoot-yellow-shadow); --bs-btn-active-bg: var(--kahoot-yellow-shadow); }
.btn-info:active, .btn-success:active, .btn-danger:active, .btn-warning:active { box-shadow: 0 0 0 transparent; }
.home-join { border-width: 2px; }

.home-join-form { max-width: 360px; margin: 0 auto; }

/* Motion is feedback only (timer urgency, correct answer); drop it when the user asks for less. */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation: none !important;
        transition: none !important;
        scroll-behavior: auto !important;
    }
}

/* Finish-screen banners. Medals use dark text on the medal color; other tiers are white cards with a colored edge. */
.achievement-banner {
    padding: 1rem 1.25rem;
    margin-bottom: 1rem;
    border-radius: 12px;
    background-color: var(--kahoot-card);
    border: 1px solid var(--kahoot-border);
    border-left: 6px solid var(--kahoot-text);
}
.winner-gold, .winner-silver, .winner-bronze { color: #1f1f1f; border-color: transparent; }
.winner-gold { background-color: var(--medal-gold); }
.winner-silver { background-color: var(--medal-silver); }
.winner-bronze { background-color: var(--medal-bronze); }
.top-five { border-left-color: var(--kahoot-blue); }
.perfect-score, .good-score { border-left-color: var(--kahoot-green); }
.good-effort { border-left-color: var(--kahoot-yellow); }

/* Visible keyboard focus. Hard button shadows would otherwise hide Bootstrap's focus ring. */
.btn:focus-visible,
.btn-check:focus-visible + .btn,
.form-control:focus-visible,
.form-select:focus-visible,
.quiz-option:focus-visible,
.nav-link:focus-visible,
.navbar-brand:focus-visible,
.navbar-toggler:focus-visible,
a:focus-visible,
button:focus-visible {
    outline: 3px solid var(--ynex-primary);
    outline-offset: 2px;
}

/* Bootstrap hardcodes outline-info and btn-link colors; point them at the accent blue. */
.btn-link { --bs-btn-color: var(--kahoot-blue); --bs-btn-hover-color: var(--kahoot-blue-shadow); --bs-btn-active-color: var(--kahoot-blue-shadow); }
.btn-outline-info {
    --bs-btn-color: var(--kahoot-blue);
    --bs-btn-border-color: var(--kahoot-blue);
    --bs-btn-hover-bg: var(--kahoot-blue);
    --bs-btn-hover-border-color: var(--kahoot-blue);
    --bs-btn-hover-color: #fff;
    --bs-btn-active-bg: var(--kahoot-blue-shadow);
    --bs-btn-active-border-color: var(--kahoot-blue-shadow);
    --bs-btn-active-color: #fff;
}

/* Primary is the dark neutral everywhere, including disabled and outline states. */
.btn-primary:disabled, .btn-primary.disabled {
    background-color: var(--ynex-primary);
    border-color: transparent;
    opacity: 0.65;
}
.btn-outline-primary {
    --bs-btn-color: var(--ynex-primary);
    --bs-btn-border-color: var(--ynex-primary);
    --bs-btn-hover-bg: var(--ynex-primary);
    --bs-btn-hover-border-color: var(--ynex-primary);
    --bs-btn-hover-color: #fff;
    --bs-btn-active-bg: var(--ynex-primary);
    --bs-btn-active-border-color: var(--ynex-primary);
    --bs-btn-active-color: #fff;
    --bs-btn-disabled-color: var(--ynex-primary);
    --bs-btn-disabled-border-color: var(--ynex-primary);
}

/* Answer rows shown to the host are display only. */
.quiz-option-static { cursor: default; pointer-events: none; margin-bottom: 0; }
.quiz-option-static:hover { filter: none; }
.option-number { background-color: rgba(255, 255, 255, 0.9); color: var(--kahoot-text); }
.min-w-0 { min-width: 0; }

@media (max-width: 575.98px) {
    .quiz-timer { width: 72px; height: 72px; font-size: 2.25rem; margin-bottom: 0; }
    .quiz-option { font-size: 1.25rem; padding: 14px 16px; }
}

/* Nav labels never wrap; a long email is truncated instead. */
.navbar .nav-link { white-space: nowrap; }
.nav-user { display: inline-block; max-width: 12rem; overflow: hidden; text-overflow: ellipsis; vertical-align: bottom; white-space: nowrap; }

/* Pages were written for a centered .container; inside the Ynex shell they fill the content area. */
.ynex-content > .container,
.ynex-content > .container-fluid { max-width: 1320px; margin-top: 0 !important; padding-left: 0; padding-right: 0; }
.ynex-content .display-4 { font-size: 2rem; }

/* Small admin entry in the top-right corner of the player home screen. */
.home-corner { position: absolute; top: 1rem; right: 1rem; display: flex; align-items: center; gap: .5rem; }

/* On phones the corner would overlap the centred title, so it joins the normal flow. */
@media (max-width: 575.98px) {
    .home-corner { position: static; justify-content: flex-end; padding: .75rem 1rem 0; }
}

/* Language switcher (ID / EN) */
.lang-switch { display: inline-flex; border: 1px solid #d9dbe3; border-radius: .4rem; overflow: hidden; background: #fff; }
.lang-switch-link { padding: .2rem .55rem; font-size: .75rem; font-weight: 600; color: #6c7384; text-decoration: none; }
.lang-switch-link.active { background: #845adf; color: #fff; }
.lang-switch-link:not(.active):hover { background: #f3f4f9; }

.ynex-demo-bar {
    background-color: var(--ynex-primary-tint);
    color: var(--ynex-primary-dark);
    border-bottom: 1px solid var(--ynex-border);
    padding: 0.4rem 1rem;
    font-size: 0.8rem;
    font-weight: 500;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
}