@import url('/cbt/css/root-6b8d49aa3f3bf4f943626614856bc5da.css');

.papers-page {
    max-width: 980px;
    margin: 0 auto;
    padding: 60px 20px;
    font-family: var(--default-font);
}

.papers-head {
    text-align: center;
    margin-bottom: 2rem;
}

.papers-title {
    font-size: clamp(1.6rem, 3.4vw, 2.2rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.015em;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.papers-subtitle {
    color: var(--text-secondary);
    max-width: 620px;
    margin: 0 auto 1.25rem;
}

.qual-switch {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
    padding: 8px 8px 8px 16px;
    border: 1px solid var(--border-gray);
    border-radius: 999px;
    background: var(--white);
}

.qual-switch-label {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.qual-switch-options {
    display: inline-flex;
    gap: 4px;
}

.qual-switch-option {
    padding: 7px 18px;
    border: 0;
    border-radius: 999px;
    background: transparent;
    color: var(--text-primary);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.qual-switch-option:hover {
    background: rgba(61, 134, 68, 0.1);
    color: var(--primary-colour);
}

.qual-switch-option-active {
    background: var(--primary-colour);
    color: #fff;
}

.qual-switch-option-active:hover {
    background: var(--primary-colour);
    color: #fff;
}

.prepare-form-section .qual-switch {
    display: inline-flex;
    margin-bottom: 1.25rem;
}

.prepare-form-section .col-lg-10,
.prepare-form-section .col-xl-9 {
    text-align: center;
}

.prepare-form-section .prep-form {
    text-align: left;
}

.papers-mode {
    text-align: center;
    margin-bottom: 1.75rem;
}

.papers-mode-label {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: 0.6rem;
}

.papers-mode-toggle {
    display: inline-flex;
    gap: 4px;
    padding: 5px;
    border: 1px solid var(--border-gray);
    border-radius: 999px;
    background: var(--white);
}

.papers-mode-option {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 22px;
    border: 0;
    border-radius: 999px;
    background: transparent;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.papers-mode-option:hover {
    background: rgba(61, 134, 68, 0.1);
    color: var(--primary-colour);
}

.papers-mode-option-active,
.papers-mode-option-active:hover {
    background: var(--primary-colour);
    color: #fff;
}

.papers-mode-hint {
    margin-top: 0.7rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.papers-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 1.25rem;
}

.papers-search {
    position: relative;
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1 1 260px;
    padding: 0 16px;
    height: 44px;
    border: 1px solid var(--border-gray);
    border-radius: 999px;
    background: var(--white);
}

.papers-search i {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.papers-search input {
    flex: 1 1 auto;
    min-width: 0;
    border: 0;
    outline: none;
    background: transparent;
    color: var(--text-primary);
    font-size: 0.92rem;
}

.papers-board-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.papers-board-chip {
    padding: 7px 15px;
    border: 1px solid var(--border-gray);
    border-radius: 999px;
    background: var(--white);
    color: var(--text-secondary);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
}

.papers-board-chip:hover {
    border-color: var(--primary-colour);
    color: var(--primary-colour);
}

.papers-board-chip-active {
    border-color: var(--primary-colour);
    background: var(--primary-colour);
    color: #fff;
}

.papers-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.paper-subject {
    border: 1px solid var(--border-gray);
    border-radius: 14px;
    background: var(--white);
    overflow: hidden;
}

.paper-subject[open] {
    border-color: var(--primary-colour);
}

.paper-subject-summary {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 1rem 1.25rem;
    cursor: pointer;
    list-style: none;
}

.paper-subject-summary::-webkit-details-marker {
    display: none;
}

.paper-subject-identity {
    display: flex;
    align-items: baseline;
    gap: 9px;
    flex: 1 1 auto;
    min-width: 0;
}

.paper-subject-name {
    font-weight: 600;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.paper-subject-code {
    flex: 0 0 auto;
    padding: 2px 8px;
    border-radius: 6px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.03em;
}

.paper-subject-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    flex: 0 0 auto;
    font-size: 0.78rem;
    color: var(--text-secondary);
}

.paper-subject-board {
    padding: 2px 9px;
    border-radius: 999px;
    background: rgba(61, 134, 68, 0.1);
    color: var(--primary-colour);
    font-weight: 700;
}

.paper-subject-open {
    color: var(--primary-colour);
    font-weight: 600;
}

.paper-subject-caret {
    flex: 0 0 auto;
    font-size: 0.75rem;
    color: var(--text-secondary);
    transition: transform 0.2s ease;
}

.paper-subject[open] .paper-subject-caret {
    transform: rotate(180deg);
}

.paper-group {
    padding: 0.9rem 1.25rem 1.1rem;
    border-top: 1px solid var(--border-gray);
}

.paper-group-head {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 0.75rem;
}

.paper-group-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: rgba(61, 134, 68, 0.1);
    color: var(--primary-colour);
    font-size: 0.92rem;
}

.paper-group-identity {
    display: flex;
    flex-direction: column;
    gap: 3px;
    min-width: 0;
}

.paper-group-name {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.paper-group-sep {
    color: var(--text-secondary);
    margin: 0 4px;
}

.paper-group-facts {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    font-size: 0.78rem;
    color: var(--text-secondary);
}

.paper-tier {
    padding: 1px 8px;
    border-radius: 999px;
    border: 1px solid var(--border-gray);
    font-weight: 600;
}

.paper-mock-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
    gap: 8px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.paper-mock {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border: 1px solid var(--border-gray);
    border-radius: 10px;
    background: var(--white);
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.86rem;
    transition: border-color 0.15s ease, background-color 0.15s ease;
}

.paper-mock:hover {
    border-color: var(--primary-colour);
    background: rgba(61, 134, 68, 0.06);
    color: var(--text-primary);
}

.paper-mock-index {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--primary-colour);
    color: #fff;
    font-size: 0.76rem;
    font-weight: 700;
}

.paper-mock-label {
    flex: 1 1 auto;
    font-weight: 600;
}

.paper-mock-go {
    flex: 0 0 auto;
    font-size: 0.75rem;
    color: var(--primary-colour);
}

.paper-mock-locked {
    border-style: dashed;
}

.paper-mock-locked .paper-mock-index {
    background: var(--bg-secondary);
    color: var(--text-secondary);
}

.paper-mock-locked .paper-mock-label {
    color: var(--text-secondary);
    font-weight: 500;
}

.paper-mock-signin .paper-mock-index {
    background: var(--bg-secondary);
    color: var(--text-secondary);
}

.paper-mock-lock {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    flex: 0 0 auto;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: var(--primary-colour);
}

.papers-empty {
    padding: 3rem 1rem;
    text-align: center;
    color: var(--text-secondary);
}

.papers-page-prompt {
    margin-top: 2.5rem;
}

.in-app-page {
    max-width: 720px;
    margin: 0 auto;
    padding: 120px 20px 60px;
    font-family: var(--default-font);
}

.in-app-card {
    padding: 2.5rem 2rem;
    border: 1px solid var(--border-gray);
    border-radius: 20px;
    background: var(--white);
    text-align: center;
}

.in-app-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 62px;
    height: 62px;
    margin-bottom: 1.1rem;
    border-radius: 50%;
    background: rgba(61, 134, 68, 0.1);
    color: var(--primary-colour);
    font-size: 24px;
}

.in-app-title {
    font-size: clamp(1.35rem, 3vw, 1.8rem);
    font-weight: 700;
    line-height: 1.25;
    color: var(--text-primary);
    margin-bottom: 0.6rem;
}

.in-app-paper {
    display: inline-flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 7px;
    padding: 6px 14px;
    margin-bottom: 1rem;
    border-radius: 999px;
    background: rgba(61, 134, 68, 0.1);
    color: var(--primary-colour);
    font-size: 0.84rem;
    font-weight: 600;
}

.in-app-copy {
    color: var(--text-secondary);
    line-height: 1.65;
    margin-bottom: 1.5rem;
}

.in-app-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary-colour);
    text-decoration: none;
}

.in-app-back:hover {
    text-decoration: underline;
    color: var(--primary-colour);
}

@media (max-width: 640px) {
    .paper-subject-summary {
        flex-wrap: wrap;
    }

    .paper-subject-meta {
        width: 100%;
    }
}