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

html {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

html::-webkit-scrollbar {
    width: 0;
    height: 0;
}

body {
    margin: 0;
    color: #31304a;
    position: relative;
    overflow-x: hidden;
    background: linear-gradient(180deg, #fff9fd 0%, #f7f3ff 100%);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    background-attachment: fixed;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: -1;
    background:
        radial-gradient(circle at 2% 8%, rgba(255, 215, 238, .34) 0%, rgba(255, 215, 238, 0) 28%),
        radial-gradient(circle at 96% 6%, rgba(232, 221, 255, .3) 0%, rgba(232, 221, 255, 0) 26%);
    background-repeat: no-repeat;
    background-size: 100% 100%;
}

:root {
    --surface-primary: rgba(255, 255, 255, .9);
    --surface-border: #ece6f9;
    --surface-shadow: 0 14px 32px rgba(156, 137, 191, .14);
    --accent-primary: #9b84ef;
    --accent-soft: rgba(155, 132, 239, .18);
    --ring-focus: 0 0 0 3px rgba(155, 132, 239, .28);
    --button-radius: .78rem;
    --button-radius-pill: 999px;
    --button-primary-bg: linear-gradient(160deg, #9b84ef 0%, #7f69d9 100%);
    --button-primary-border: rgba(127, 105, 217, .72);
    --button-primary-shadow: 0 10px 18px rgba(127, 105, 217, .2);
    --button-primary-shadow-hover: 0 14px 24px rgba(127, 105, 217, .26);
    --button-soft-bg: linear-gradient(180deg, #fff 0%, #fbf8ff 100%);
    --button-soft-bg-active: linear-gradient(180deg, #fff 0%, #f1ebff 100%);
    --button-soft-border: #ddd1fa;
    --button-soft-text: #3f3a63;
    --button-soft-text-strong: #2f2a51;
    --button-success-bg: linear-gradient(160deg, #43d6a1 0%, #168f73 100%);
    --button-success-border: rgba(22, 143, 115, .62);
}

.page-shared-background {
    position: relative;
}

.page-container {
    width: min(1140px, calc(100% - 2rem));
    margin: 0 auto;
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.page-container > .breadcrumb-nav {
    margin: 18px 0 0;
    display: flex;
    align-items: center;
    gap: .45rem;
    flex-shrink: 0;
    color: #7d88a0;
    font-size: .88rem;
    font-weight: 600;
    line-height: 1.3;
}

.page-container > .breadcrumb-nav a {
    color: #496eb1;
    text-decoration: none;
}

.page-container > .breadcrumb-nav a:hover,
.page-container > .breadcrumb-nav a:focus-visible {
    color: #254d91;
    text-decoration: underline;
}

.page-container > .breadcrumb-nav [aria-current="page"] {
    color: #59677d;
}

.floating-panel {
    border: 1px solid var(--surface-border);
    border-radius: 1rem;
    background: var(--surface-primary);
    box-shadow: var(--surface-shadow);
    backdrop-filter: blur(3px);
}

.filter-toolbar {
    display: grid;
    gap: .85rem;
    align-items: end;
    border: 1px solid #d6c8ea;
    border-radius: .72rem;
    padding: .62rem .85rem;
    background: rgba(255, 255, 255, .38);
    box-shadow: none;
}

.filter-search-form {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: .45rem;
    align-items: center;
    width: 100%;
}

.filter-search,
.subject-filter {
    width: 100%;
    min-height: 2.45rem;
    border: 1px solid #cbb9e7;
    border-radius: .65rem;
    padding: .38rem .68rem;
    color: #3f3a63;
    background: rgba(255, 255, 255, .72);
    box-shadow: none;
    font: inherit;
    transition: border-color 120ms ease, box-shadow 120ms ease;
}

.filter-search-button {
    min-height: 2.45rem;
    border: 1px solid var(--button-primary-border);
    border-radius: .65rem;
    padding: .38rem .9rem;
    color: #fff;
    background: var(--button-primary-bg);
    box-shadow: var(--button-primary-shadow);
    font: inherit;
    font-weight: 800;
    cursor: pointer;
}

.filter-search-button:hover {
    box-shadow: var(--button-primary-shadow-hover);
}

.filter-search-button:focus-visible {
    outline: none;
    box-shadow: var(--ring-focus), var(--button-primary-shadow);
}

.filter-search::placeholder {
    color: #8b82a8;
}

.filter-search:focus,
.subject-filter:focus {
    outline: none;
    border-color: #9b84ef;
    box-shadow: var(--ring-focus);
}

.pagination-nav {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    margin-top: 10px;
    padding: 8px 0 10px;
    flex-shrink: 0;
    border-top: 1px solid rgba(125, 120, 151, .2);
    background: #f5f1fa;
    color: #52637a;
    font-size: .88rem;
}

.pagination-nav button {
    min-height: 2rem;
    border: 1px solid var(--button-primary-border);
    border-radius: var(--button-radius-pill);
    padding: 5px 14px;
    color: #fff;
    background: var(--button-primary-bg);
    box-shadow: var(--button-primary-shadow);
    cursor: pointer;
    font-weight: 800;
    line-height: 1.1;
}

.pagination-nav button:not(:disabled):hover {
    box-shadow: var(--button-primary-shadow-hover);
}

.pagination-nav button:disabled {
    opacity: .45;
    cursor: default;
}

.attempts-header,
.attempt-card,
.login-card,
.paper-card,
.question-panel,
.question-card,
.analysis-card,
.progress-card {
    backdrop-filter: blur(3px);
}

.attempts-header,
.attempt-card,
.login-card,
.paper-card {
    border-color: var(--surface-border) !important;
    box-shadow: var(--surface-shadow) !important;
}

button,
.btn,
a {
    transition: transform 140ms ease, box-shadow 140ms ease, border-color 140ms ease, background-color 140ms ease, color 140ms ease;
}

button:hover,
.btn:hover {
    transform: translateY(-1px);
}

button:disabled,
.btn:disabled {
    transform: none;
}

h1:focus {
    outline: none;
}

a, .btn-link {
    color: #7f69d9;
}

.btn-primary {
    color: #fff;
    background-color: #9b84ef;
    border-color: #7f69d9;
}

.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 rgba(155, 132, 239, .45);
}

.content { padding-top: 1.1rem; }

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

.invalid {
    outline: 1px solid red;
}

.validation-message {
    color: red;
}

#blazor-error-ui {
    color-scheme: light only;
    background: lightyellow;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
    box-sizing: border-box;
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

    #blazor-error-ui .dismiss {
        cursor: pointer;
        position: absolute;
        right: 0.75rem;
        top: 0.5rem;
    }

.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."
    }

.loading-progress {
    position: relative;
    display: block;
    width: 8rem;
    height: 8rem;
    margin: 20vh auto 1rem auto;
}

    .loading-progress circle {
        fill: none;
        stroke: #e0e0e0;
        stroke-width: 0.6rem;
        transform-origin: 50% 50%;
        transform: rotate(-90deg);
    }

        .loading-progress circle:last-child {
            stroke: #9b84ef;
            stroke-dasharray: calc(3.141 * var(--blazor-load-percentage, 0%) * 0.8), 500%;
            transition: stroke-dasharray 0.05s ease-in-out;
        }

.loading-progress-text {
    position: absolute;
    text-align: center;
    font-weight: bold;
    inset: calc(20vh + 3.25rem) 0 auto 0.2rem;
}

    .loading-progress-text:after {
        content: var(--blazor-load-percentage-text, "Loading");
    }

code {
    color: #c02d76;
}

.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;
}