html, body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

a, .btn-link {
    color: #006bb7;
}

.btn-primary {
    color: #fff;
    background-color: #1b6ec2;
    border-color: #1861ac;
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

.content {
    padding-top: 1.1rem;
}

h1:focus {
    outline: none;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid #e50000;
}

.validation-message {
    color: #e50000;
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }

.darker-border-checkbox.form-check-input {
    border-color: #929292;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}
/* Main app screens use Radzen; Bootstrap remains for Identity's SSR form inputs. */
.quiz-layout.rz-layout { min-height: 100vh; }
.quiz-layout .rz-header.quiz-header { background: var(--rz-header-background-color, var(--rz-primary)); color: var(--rz-header-color, #fff); box-shadow: none; }
.quiz-header-content { width: 100%; padding: .75rem 1.5rem; }
.quiz-layout .quiz-header .rz-link, .quiz-layout .quiz-header .rz-navigation-item-link { color: inherit; }
.quiz-theme-label { color: inherit; margin: 0; white-space: nowrap; }
.quiz-theme-dropdown { width: 100%; }
.identity-page { --bs-body-bg: var(--rz-base-background-color); --bs-body-color: var(--rz-text-color); --bs-secondary-color: var(--rz-text-secondary-color); }
.identity-page .form-control { background-color: var(--rz-base-background-color); color: var(--rz-text-color); }
body { background: var(--rz-body-background-color); color: var(--rz-text-color); }
.quiz-brand { font-size: 1.3rem; font-weight: 700; text-decoration: none; }
.quiz-muted { color: var(--rz-text-secondary-color); }
.quiz-code { letter-spacing: .2em; color: var(--rz-primary); font-variant-numeric: tabular-nums; }
.quiz-student { max-width: 760px; margin: 0 auto; }
.quiz-empty-state { text-align: center; padding: 2.5rem 1.5rem; }
.quiz-home { max-width: 1040px; margin: 2rem auto; }
.quiz-home-heading { max-width: 760px; }
.quiz-home-icon { font-size: 2.5rem; color: var(--rz-primary); }
.quiz-choice { width: 100%; min-height: 3.5rem; height: auto; justify-content: flex-start; text-align: left; }
.quiz-choice .rz-button-text { white-space: normal; overflow-wrap: anywhere; }
.quiz-dashboard .rz-card, .quiz-student .rz-card, .quiz-home .rz-card { border-radius: 12px; }
.identity-page { max-width: 1100px; margin: 0 auto; }
.identity-page input.form-control { border-radius: var(--rz-border-radius); }
.identity-page .rz-button { margin-bottom: 1rem; }
.identity-page .form-check-input { appearance: auto; }
@media (max-width: 600px) {
    .quiz-header-content { padding: .75rem 1rem; }
    .quiz-home { margin: .5rem auto; }
                .quiz-code { font-size: 2rem; }
    .quiz-header-left { gap: .75rem; }
}

.quiz-header { position: sticky; top: 0; z-index: 10; border-bottom: var(--rz-border-normal); }
.quiz-sidebar-toggle { padding: 8px; flex-shrink: 0; }
.quiz-sidebar.rz-sidebar { display: flex; flex-direction: column; padding: 10px; --rz-sidebar-width: 260px; }
.quiz-sidebar.rz-sidebar-collapsed { padding: 0; border: 0; overflow: hidden; visibility: hidden; }
.quiz-sidebar-menu { flex: 1 1 auto; overflow: auto; min-height: 0; }
.quiz-sidebar-theme { margin-top: auto; padding-top: 1rem; border-top: var(--rz-border-normal); flex-shrink: 0; }
.quiz-panel-menu { border: 0; }
.quiz-header-actions { margin-left: auto; justify-content: flex-end; }
.quiz-header-actions form { margin: 0; }
.quiz-header-email { overflow-wrap: anywhere; }
@media (max-width: 600px) {
    .quiz-header-content { gap: .75rem !important; }
}


/* Preserve the interactive navigation while enhanced navigation updates page content. */
.quiz-navigation-shell { display: contents; }
.quiz-layout.rz-layout {
    grid-template-areas: "rz-header rz-header" "rz-sidebar rz-body";
    grid-template-rows: auto minmax(0, 1fr);
}
/* The navigation is an interactive island, so RadzenHeader has no layout cascade.
   Override its standalone fixed positioning so the grid reserves the header row. */
.quiz-layout .rz-header.quiz-header { position: relative; top: auto; left: auto; right: auto; }
.quiz-library-search-controls { display: flex; align-items: center; flex-wrap: wrap; gap: .75rem; margin-top: .5rem; }
.quiz-library-search-controls input { flex: 1 1 220px; }
.quiz-library-description { white-space: pre-wrap; overflow-wrap: anywhere; }
.quiz-delete-link { color: var(--rz-danger); }
.quiz-editor { max-width: 900px; margin: 0 auto; }
.quiz-editor .form-control { background-color: var(--rz-base-background-color); color: var(--rz-text-color); }
.quiz-editor .form-check-input { appearance: auto; }
.quiz-question-text { white-space: pre-wrap; overflow-wrap: anywhere; }
.quiz-question-actions form { margin: 0; }
.quiz-answer-options > li::marker { content: counter(list-item, lower-alpha) ") "; }
/* Presenter screens keep controls separate from the question shown to the room. */
.quiz-presentation-header, .quiz-presentation-controls { display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:1rem; }
.quiz-presentation-intro { display:flex; flex-direction:column; align-items:flex-start; gap:1rem; }
.quiz-presentation-trophy { font-size:3.5rem; color:var(--rz-primary); }
.quiz-presentation-countdown { font-size:clamp(5rem, 15vw, 10rem); line-height:1; font-weight:700; color:var(--rz-primary); }
.quiz-presentation-question { font-size:clamp(1.75rem, 3vw, 3rem); overflow-wrap:anywhere; }
.quiz-presentation-choices { display:grid; grid-template-columns:repeat(2, minmax(0, 1fr)); gap:1rem; }
.quiz-presentation-choice { display:flex; align-items:center; gap:1rem; font-size:clamp(1.15rem, 2vw, 1.75rem); overflow-wrap:anywhere; }
.quiz-presentation-choice strong { color:var(--rz-primary); }
.quiz-presentation { max-width:1400px; margin:0 auto; }
.quiz-presentation .rz-card { border-radius:16px; }
.quiz-presentation-header.rz-card { padding:1.5rem 2rem; border-top:4px solid var(--rz-primary); }
.quiz-presentation-details { display:flex; flex-direction:column; align-items:flex-start; gap:.75rem; flex:1 1 240px; min-width:0; overflow-wrap:anywhere; }
.quiz-presentation-eyebrow { color:var(--rz-text-secondary-color); font-size:.8rem; font-weight:700; letter-spacing:.12em; text-transform:uppercase; }
.quiz-presentation-players { display:inline-flex; align-items:center; gap:.5rem; padding:.5rem .875rem; border-radius:999px; background:var(--rz-base-200); font-variant-numeric:tabular-nums; }
.quiz-presentation-join { display:flex; flex-direction:column; align-items:center; gap:.5rem; padding-left:2rem; border-left:var(--rz-border-normal); }
.quiz-presentation-intro.rz-card { padding:clamp(1.5rem, 4vw, 3rem); }
.quiz-presentation-intro h1, .quiz-presentation-intro p, .quiz-presentation-controls p { margin:0; }
.quiz-presentation-intro h1 { font-size:clamp(2rem, 4vw, 3.5rem); overflow-wrap:anywhere; }
.quiz-presentation-choice.rz-card { padding:1.5rem; min-height:100px; }
.quiz-presentation-choice strong { display:flex; align-items:center; justify-content:center; flex-shrink:0; width:2.75rem; height:2.75rem; border-radius:50%; background:var(--rz-base-200); }
.quiz-presentation-roster { display:flex; flex-direction:column; gap:1rem; }
.quiz-presentation-names { display:flex; flex-wrap:wrap; gap:.75rem; }
.quiz-presentation-player { max-width:100%; padding:.625rem 1rem; border:var(--rz-border-normal); border-radius:999px; background:var(--rz-base-200); color:var(--rz-text-color); font:inherit; overflow-wrap:anywhere; text-align:left; cursor:pointer; transition:background-color .15s, border-color .15s; }
.quiz-presentation-player:hover:enabled { background:var(--rz-base-300); border-color:var(--rz-primary); }
.quiz-presentation-player:focus-visible { outline:2px solid var(--rz-primary); outline-offset:3px; }
.quiz-presentation-player:disabled { cursor:default; }
@media(max-width:600px) {
    .quiz-presentation-header.rz-card { padding:1.25rem; }
    .quiz-presentation-join { width:100%; padding:1.25rem 0 0; border-left:0; border-top:var(--rz-border-normal); }
}
@media(max-width:600px) { .quiz-presentation-choices { grid-template-columns:minmax(0, 1fr); } }