:root {
    --study-bg: #f6f5f1;
    --study-surface: #ffffff;
    --study-surface-soft: #fbfaf7;
    --study-text: #11121a;
    --study-muted: #6b6c75;
    --study-border: #deddd8;
    --study-navy: #11172e;
    --study-green: #2c8c6d;
    --study-purple-soft: #efedfb;
    --study-shadow: 0 10px 30px rgba(20, 25, 50, .06);
}

body {
    background: var(--study-bg);
    color: var(--study-text);
    font-family: "DM Sans", sans-serif;
}

.sidebar {
    width: 224px;
    background: rgba(249, 248, 244, .96);
    border-right: 1px solid var(--study-border);
    padding: 24px 14px 18px;
    box-shadow: none;
}

.brand {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 0 9px 24px;
}

.brand-mark {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    background: var(--study-navy);
    color: #fff;
    font-size: 19px;
}

.brand-copy {
    display: flex;
    flex-direction: column;
}

.brand-copy strong {
    font-family: "Manrope", sans-serif;
    font-size: 16px;
    line-height: 1;
}

.brand-copy span,
.mini-user small {
    color: #92939a;
    font-size: 10px;
    margin-top: 4px;
}

.brand-mark > img {
    display: block;
    width: 100%;
    height: 100%;
    padding: 2px;
    border-radius: inherit;
    object-fit: contain;
    border: 2px solid #363744;
}

.sidebar nav {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.sidebar nav a.nav-item,
.sidebar nav button.nav-item {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 12px 13px;
    border: 0;
    border-radius: 11px;
    background: transparent;
    color: #363744;
    cursor: pointer;
    font-size: 12px;
    text-align: left;
    text-decoration: none;
    transition: .2s ease;
}

.sidebar nav a.nav-item:hover,
.sidebar nav button.nav-item:hover {
    background: #efeee9;
}

.sidebar nav a.nav-item.active,
.sidebar nav button.nav-item.active {
    background: var(--study-navy);
    color: #fff;
    box-shadow: 0 9px 20px rgba(17, 23, 46, .2);
}

.sidebar .nav-icon {
    width: 19px;
    display: grid;
    place-items: center;
    font-size: 15px;
}

.sidebar-bottom {
    margin-top: auto;
    padding-top: 18px;
    border-top: 1px solid var(--study-border);
}

.agent-status {
    display: flex;
    gap: 8px;
    align-items: center;
    font-size: 12px;
    margin-bottom: 15px;
}

.status-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: #31a071;
    box-shadow: 0 0 0 5px rgba(49, 160, 113, .08);
}

.sidebar a.mini-user {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--study-text);
    text-decoration: none;
}

.sb .sidebar-bottom {
    margin-top: 0;
    padding-top: 18px;
    border-top: 1px solid var(--study-border);
}

.sb a.mini-user {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--study-text);
    text-decoration: none;
}

.sb a.mini-user > span:last-child {
    display: flex;
    flex-direction: column;
}

.sidebar a.mini-user > span:last-child {
    display: flex;
    flex-direction: column;
}

.avatar {
    width: 34px;
    height: 34px;
    flex: 0 0 34px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    overflow: hidden;
    background: #e8e6df;
    color: var(--study-text);
    font-weight: 800;
}

.logo {
    margin: 0;
    padding: 0 9px 24px;
}

.logo h2,
.top-header h1,
.card h2,
.card h3,
.overview h2,
.performance-section h2,
.areas-section h2,
.recent-progress h2,
.quiz-header h1,
.quiz-card h1,
.result-card h1 {
    font-family: "Manrope", sans-serif;
}

.logo h2 {
    color: var(--study-text);
    font-size: 16px;
}

.logo p,
.top-header p,
.section-subtitle,
.card p {
    color: var(--study-muted);
}

.sidebar nav {
    gap: 6px;
}

.sidebar nav a {
    color: #363744;
    border-radius: 11px;
    padding: 12px 13px;
    font-size: 12px;
    transition: .2s ease;
}

.sidebar nav a:hover {
    background: #efeee9;
}

.sidebar nav a.active {
    background: var(--study-navy);
    color: #fff;
    box-shadow: 0 9px 20px rgba(17, 23, 46, .2);
}

.powered {
    border-top-color: var(--study-border);
    color: var(--study-muted);
}

.main {
    margin-left: 224px;
    padding: 28px 34px 45px;
}

.top-header {
    margin-bottom: 18px;
}

.top-header h1 {
    color: var(--study-text);
    font-size: 31px;
    letter-spacing: -.03em;
}

.overview h2,
.performance-section h2,
.areas-section h2,
.recent-progress h2 {
    color: var(--study-text);
    font-size: 17px;
}

.card,
.performance-chart,
.subject-performance,
.areas-card,
.recent-progress {
    background: var(--study-surface);
    border: 1px solid var(--study-border);
    border-radius: 16px;
    box-shadow: var(--study-shadow);
}

.card {
    padding: 18px;
}

.card strong {
    color: var(--study-text);
}

.progress-fill,
.bar {
    background-color: var(--study-green);
}

.quiz-container {
    max-width: 950px;
    padding: 28px 34px 45px;
}

.quiz-card,
.result-card,
.quiz-info div {
    background: var(--study-surface);
    border-color: var(--study-border);
    border-radius: 16px;
    box-shadow: var(--study-shadow);
}

.option {
    border-color: var(--study-border);
    background: var(--study-surface-soft);
}

.option:hover,
.option.selected {
    border-color: var(--study-navy);
    background: var(--study-purple-soft);
}

.next-btn,
.retry-btn,
.back-practice-btn {
    background: var(--study-navy);
    border-color: var(--study-navy);
    border-radius: 10px;
}

@media (max-width: 800px) {
    .sidebar {
        width: 224px;
    }

    .main {
        margin-left: 0;
        padding: 18px 14px 35px;
    }

    .quiz-container {
        padding: 18px 14px 35px;
    }
}

/* Dashboard shell: match the Study Plan layout and palette. */
.sb {
    width: 224px;
    background: rgba(249, 248, 244, .96);
    border-right: 1px solid var(--study-border);
    padding: 24px 14px 18px;
    color: var(--study-text);
}

.sb.c {
    width: 72px;
}

.sb .logo {
    color: var(--study-text);
    padding: 0 9px 24px;
    font-family: "Manrope", sans-serif;
}

.sb .nv {
    color: #363744;
    border-radius: 11px;
    padding: 12px 13px;
}

.sb .nv:hover {
    background: #efeee9;
    color: var(--study-text);
}

.sb .nv.on {
    background: var(--study-navy);
    color: #fff;
    box-shadow: 0 9px 20px rgba(17, 23, 46, .2);
}

.mn {
    margin-left: 224px;
    background: var(--study-bg);
    color: var(--study-text);
}

.hd {
    background: rgba(249, 248, 244, .96);
    color: var(--study-text);
    border-bottom: 1px solid var(--study-border);
    padding: 16px 34px;
}

.top-title small,
.mu {
    color: var(--study-muted);
}

.pg {
    max-width: 1120px;
    padding: 28px 34px 45px;
}

.mn .card {
    background: var(--study-surface);
    border: 1px solid var(--study-border);
    border-radius: 16px;
    box-shadow: var(--study-shadow);
}

.mn .card:hover {
    border-color: #c5c3bb;
    box-shadow: 0 16px 36px rgba(20, 25, 50, .1);
}

.mn .btn.ghost {
    background: var(--study-surface);
    color: var(--study-text);
    border: 1px solid var(--study-border);
}

.mn .btn.amber,
.mn .section-action.amber {
    background: var(--study-navy);
    border-color: var(--study-navy);
    color: #fff;
}

.mn .section-action {
    border-color: var(--study-border);
    border-radius: 10px;
    background: var(--study-surface-soft);
    color: var(--study-text);
}

.mn h1,
.mn h2,
.mn h3,
.mn h4 {
    font-family: "Manrope", sans-serif;
    color: var(--study-text);
}

.mn .hero {
    background: linear-gradient(135deg, #11172e 0%, #1a2140 55%, #263053 100%);
    border-radius: 18px;
    box-shadow: 0 18px 42px rgba(20, 25, 50, .16);
}

.mn .hero h1,
.mn .hero p {
    color: #fff;
}

.mn .hero .btn {
    background: #fff;
    color: var(--study-navy);
    border: 1px solid rgba(255, 255, 255, .7);
}

.mn .hero .btn:hover {
    background: #f4f3ef;
    color: var(--study-navy);
}

.mn .domain-tools {
    gap: 9px;
}

.mn .domain-tool,
.mn .metric {
    background: var(--study-surface);
    border: 1px solid var(--study-border);
    border-radius: 12px;
    box-shadow: var(--study-shadow);
}

.mn .domain-tool:hover,
.mn .metric:hover {
    border-color: #c5c3bb;
    box-shadow: 0 16px 36px rgba(20, 25, 50, .1);
}

.mn .metric strong,
.mn .st {
    color: var(--study-text);
}

.mn .bar {
    background: #e8e6df;
    border-radius: 30px;
}

.mn .bar i {
    background: linear-gradient(90deg, var(--study-green), #68bd99);
    border-radius: inherit;
}

.mn .pill {
    border-radius: 8px;
}

.mn .pill.dark {
    background: var(--study-navy);
    color: #fff;
}

.mn .g2,
.mn .g3 {
    gap: 18px;
}

/* Match the Study Plan card scale and typography exactly. */
.mn .card {
    padding: 20px;
    margin-bottom: 0;
    border-radius: 16px;
}

.mn .card h3 {
    margin-bottom: 8px;
    font-size: 15px;
    line-height: 1.25;
    letter-spacing: -.02em;
}

.mn .card p,
.mn .domain-tool p,
.mn .hero p {
    font-size: 11px;
    line-height: 1.6;
}

.mn .hero {
    min-height: 170px;
    padding: 24px;
    margin-bottom: 18px;
    border-radius: 18px;
}

.mn .hero h1 {
    font-size: clamp(26px, 2.7vw, 38px);
    line-height: 1.08;
    letter-spacing: -.04em;
}

.mn .domain-tools {
    margin-bottom: 18px;
}

.mn .domain-tool {
    min-height: 128px;
    padding: 16px;
    border-radius: 13px;
}

.mn .domain-tool h3 {
    font-size: 13px;
    margin-bottom: 6px;
}

.mn .metric-grid {
    gap: 9px;
    margin-bottom: 18px;
}

.mn .metric {
    padding: 14px;
    border-radius: 11px;
}

.mn .metric span {
    font-size: 9px;
    letter-spacing: .08em;
}

.mn .metric strong {
    font-size: 19px;
    margin-top: 4px;
}

.mn .section-action {
    margin-top: 12px;
    padding: 8px 11px;
    font-size: 10px;
}

/* Keep the Practice sidebar as the shared navigation reference. */
.sidebar,
.sb {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: 224px;
    height: 100vh;
    background: #f9f8f4;
    border-right: 1px solid #deddd8;
    padding: 24px 14px 18px;
    display: flex;
    flex-direction: column;
    z-index: 200;
    overflow: hidden;
}

.sidebar nav a.nav-item,
.sidebar nav button.nav-item,
.sb .nav-item {
    min-height: 40px;
    padding: 12px 13px;
    border-radius: 11px;
    color: #363744;
    font-family: "DM Sans", sans-serif;
    font-size: 12px;
}

.sidebar nav a.nav-item.active,
.sidebar nav button.nav-item.active,
.sb .nav-item.active,
.sb .nav-item.on {
    background: #11172e;
    color: #fff;
    box-shadow: 0 9px 20px rgba(17, 23, 46, .2);
}

.sidebar .nav-icon,
.sb .nav-icon {
    width: 19px;
    min-width: 19px;
    font-size: 14px;
}

.sidebar-bottom,
.sb .sidebar-bottom {
    margin-top: auto;
    padding-top: 18px;
    border-top: 1px solid #deddd8;
}

.sb .brand {
    flex: 0 0 auto;
}

.sb .nav {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

@media (max-width: 800px) {
    .mn {
        margin-left: 0;
    }

    .hd {
        padding: 14px;
    }

    .pg {
        padding: 18px 14px 35px;
    }
}

@media (min-width: 801px) {
    .sidebar {
        width: 72px;
        padding-inline: 10px;
        transition: width 0.22s ease, box-shadow 0.22s ease;
    }

    .sidebar:hover,
    .sidebar:focus-within,
    .sidebar.is-expanded {
        width: 224px;
        box-shadow: 12px 0 30px rgba(17, 23, 46, .12);
    }

    .sidebar .brand {
        justify-content: center;
        gap: 0;
        padding-inline: 0;
    }

    .sidebar a.mini-user {
        width: 100%;
        justify-content: center;
        gap: 0;
    }

    .sidebar .brand-copy,
    .sidebar .nav-item > span:not(.nav-icon),
    .sidebar .agent-status > span:not(.status-dot),
    .sidebar .mini-user > :last-child:not(.avatar) {
        width: 0;
        opacity: 0;
        overflow: hidden;
        visibility: hidden;
        white-space: nowrap;
        transition: opacity 0.16s ease, width 0.22s ease;
    }

    .sidebar:hover .brand,
    .sidebar:focus-within .brand,
    .sidebar.is-expanded .brand {
        justify-content: flex-start;
        gap: 11px;
        padding-inline: 0;
    }

    .sidebar:hover .mini-user,
    .sidebar:focus-within .mini-user,
    .sidebar.is-expanded .mini-user {
        justify-content: flex-start;
        gap: 10px;
    }

    .sidebar:hover .brand-copy,
    .sidebar:focus-within .brand-copy,
    .sidebar.is-expanded .brand-copy,
    .sidebar:hover .nav-item > span:not(.nav-icon),
    .sidebar:focus-within .nav-item > span:not(.nav-icon),
    .sidebar.is-expanded .nav-item > span:not(.nav-icon),
    .sidebar:hover .agent-status > span:not(.status-dot),
    .sidebar:focus-within .agent-status > span:not(.status-dot),
    .sidebar.is-expanded .agent-status > span:not(.status-dot),
    .sidebar:hover .mini-user > :last-child:not(.avatar),
    .sidebar:focus-within .mini-user > :last-child:not(.avatar),
    .sidebar.is-expanded .mini-user > :last-child:not(.avatar) {
        width: auto;
        opacity: 1;
        visibility: visible;
    }

    .sidebar nav a.nav-item,
    .sidebar nav button.nav-item {
        justify-content: center;
        gap: 0;
        padding-inline: 0;
        overflow: hidden;
    }

    .sidebar:hover nav a.nav-item,
    .sidebar:focus-within nav a.nav-item,
    .sidebar.is-expanded nav a.nav-item,
    .sidebar:hover nav button.nav-item,
    .sidebar:focus-within nav button.nav-item,
    .sidebar.is-expanded nav button.nav-item {
        justify-content: flex-start;
        gap: 11px;
        padding-left: 15px;
        padding-right: 13px;
    }

    .sidebar .sidebar-bottom {
        overflow: hidden;
    }

    .main,
    .mn {
        margin-left: 72px;
        transition: margin-left 0.22s ease;
    }

    .sidebar:hover ~ .main,
    .sidebar:focus-within ~ .main,
    .sidebar.is-expanded ~ .main,
    .sidebar:hover ~ .mn,
    .sidebar:focus-within ~ .mn,
    .sidebar.is-expanded ~ .mn {
        margin-left: 224px;
    }
}

@media (max-width: 800px) {
    .sidebar {
        width: 72px;
        padding-inline: 10px;
        transform: none;
        transition: width 0.22s ease, box-shadow 0.22s ease;
    }

    .sidebar:hover,
    .sidebar:focus-within,
    .sidebar.is-expanded,
    .sidebar.open {
        width: 224px;
        box-shadow: 12px 0 30px rgba(17, 23, 46, .12);
    }

    .sidebar .brand {
        justify-content: center;
        gap: 0;
        padding-inline: 0;
    }

    .sidebar a.mini-user {
        width: 100%;
        justify-content: center;
        gap: 0;
    }

    .sidebar .brand-copy,
    .sidebar .nav-item > span:not(.nav-icon),
    .sidebar .agent-status > span:not(.status-dot),
    .sidebar .mini-user > :last-child:not(.avatar) {
        width: 0;
        opacity: 0;
        overflow: hidden;
        visibility: hidden;
        white-space: nowrap;
        transition: opacity 0.16s ease, width 0.22s ease;
    }

    .sidebar:hover .brand,
    .sidebar:focus-within .brand,
    .sidebar.is-expanded .brand,
    .sidebar.open .brand {
        justify-content: flex-start;
        gap: 11px;
        padding-inline: 0;
    }

    .sidebar:hover .mini-user,
    .sidebar:focus-within .mini-user,
    .sidebar.is-expanded .mini-user,
    .sidebar.open .mini-user {
        justify-content: flex-start;
        gap: 10px;
    }

    .sidebar:hover .brand-copy,
    .sidebar:focus-within .brand-copy,
    .sidebar.is-expanded .brand-copy,
    .sidebar.open .brand-copy,
    .sidebar:hover .nav-item > span:not(.nav-icon),
    .sidebar:focus-within .nav-item > span:not(.nav-icon),
    .sidebar.is-expanded .nav-item > span:not(.nav-icon),
    .sidebar.open .nav-item > span:not(.nav-icon),
    .sidebar:hover .agent-status > span:not(.status-dot),
    .sidebar:focus-within .agent-status > span:not(.status-dot),
    .sidebar.is-expanded .agent-status > span:not(.status-dot),
    .sidebar.open .agent-status > span:not(.status-dot),
    .sidebar:hover .mini-user > :last-child:not(.avatar),
    .sidebar:focus-within .mini-user > :last-child:not(.avatar),
    .sidebar.is-expanded .mini-user > :last-child:not(.avatar),
    .sidebar.open .mini-user > :last-child:not(.avatar) {
        width: auto;
        opacity: 1;
        visibility: visible;
    }

    .sidebar nav a.nav-item,
    .sidebar nav button.nav-item {
        justify-content: center;
        gap: 0;
        padding-inline: 0;
        overflow: hidden;
    }

    .sidebar:hover nav a.nav-item,
    .sidebar:focus-within nav a.nav-item,
    .sidebar.is-expanded nav a.nav-item,
    .sidebar.open nav a.nav-item,
    .sidebar:hover nav button.nav-item,
    .sidebar:focus-within nav button.nav-item,
    .sidebar.is-expanded nav button.nav-item,
    .sidebar.open nav button.nav-item {
        justify-content: flex-start;
        gap: 11px;
        padding-left: 15px;
        padding-right: 13px;
    }

    .main,
    .mn {
        margin-left: 72px;
        transition: margin-left 0.22s ease;
    }

    .sidebar:hover ~ .main,
    .sidebar:focus-within ~ .main,
    .sidebar.is-expanded ~ .main,
    .sidebar.open ~ .main,
    .sidebar:hover ~ .mn,
    .sidebar:focus-within ~ .mn,
    .sidebar.is-expanded ~ .mn,
    .sidebar.open ~ .mn {
        margin-left: 224px;
    }

    .mobile-overlay.show {
        display: block;
        position: fixed;
        inset: 0;
        z-index: 190;
        background: rgba(17, 23, 46, .3);
    }
}

.sidebar .brand-mark.sidebar-toggle {
    width: 50px;
    height: 50px;
    flex: 0 0 50px;
    padding: 0;
    border: 0;
    font-size: 23px;
    background: #fff;
    overflow: hidden;
    cursor: pointer;
}

.sidebar .sidebar-toggle:focus-visible {
    outline: 3px solid rgba(80, 109, 181, .35);
    outline-offset: 2px;
}

/* Dashboard palette: warm cream surfaces with navy and blue actions. */
.sb,
.mn {
    --study-bg: #f6f5f1;
    --study-surface: #fffdf8;
    --study-surface-soft: #fbfaf7;
    --study-text: #222638;
    --study-muted: #687083;
    --study-border: #deddd8;
    --study-navy: #11172e;
    --study-green: #506db6;
    --study-shadow: 0 10px 30px rgba(20, 25, 50, .06);
}

body:has(#app) {
    background: #f6f5f1;
}

.sb {
    background: #fbfaf7;
    border-color: #deddd8;
}

.sb .nv.on,
.mn .pill.dark {
    background: #11172e;
    color: #fff;
}

.sb .nv:hover {
    background: #e9eefb;
    color: #334d8e;
}

.mn {
    background: #f6f5f1;
}

.mn .hd {
    background: #fbfaf7;
    border-color: #deddd8;
}

.mn .hero {
    background: linear-gradient(135deg, #11172e 0%, #1a2140 55%, #263053 100%);
    border: 1px solid rgba(255, 255, 255, .08);
    box-shadow: 0 18px 42px rgba(20, 25, 50, .16);
}

.mn .hero h1,
.mn .hero p {
    color: #fff;
}

.mn .hero .lbl {
    color: #dce2ff !important;
}

.mn .btn,
.plan-choice .btn {
    border: 1px solid transparent;
    border-radius: 10px;
    background: #e9eefb;
    color: #334d8e;
    box-shadow: none;
}

.mn .btn.amber,
.plan-choice .btn.amber {
    background: #11172e;
    color: #fff;
}

.mn .btn:hover,
.plan-choice .btn:hover,
.mn .btn.ghost:hover {
    background: #26345e;
    border-color: #26345e;
    color: #fff;
    box-shadow: 0 8px 18px rgba(38, 52, 94, .22);
}

.mn .section-action:hover {
    background: #e9eefb;
    border-color: #506db6;
    color: #26345e;
    box-shadow: 0 6px 14px rgba(80, 109, 182, .16);
}

.mn .section-action.amber {
    background: #11172e;
    border-color: #11172e;
    color: #fff;
}

.mn .section-action.amber:hover {
    background: #26345e;
    border-color: #26345e;
}

.chat-md {
    background: #fffdf8;
    color: #222638;
    border-color: #deddd8;
    box-shadow: 0 28px 80px rgba(20, 25, 50, .2);
}

.chat-md .chat-head {
    border-color: #deddd8;
}

.chat-md .chat-head strong,
.chat-md .chat-welcome h2 {
    color: #222638;
}

.chat-md .chat-head small,
.chat-md .chat-welcome p {
    color: #687083;
}

.chat-md .chat-body {
    background: #fffdf8;
}

.chat-md .chat-bubble {
    background: #f4f1e9;
    color: #222638;
}

.chat-md .chat-msg.user .chat-bubble {
    background: #506db6;
    color: #fff;
}

.chat-md .chat-input-wrap {
    background: #fff;
    border-color: #deddd8;
}

.chat-md .chat-input {
    color: #222638;
}

.chat-md .chat-input::placeholder {
    color: #687083;
}

.chat-md .chat-icon {
    color: #687083;
}

.chat-md .chat-icon:hover {
    background: #e9eefb;
    color: #334d8e;
}

.chat-md .chat-icon.chat-send {
    background: #11172e;
    color: #fff;
}

.chat-md .chat-skip:hover,
.chat-md .chat-close:hover {
    background: #e9eefb;
    border-color: #506db6;
    color: #334d8e;
}

.assistant-pop {
    background: #fffdf8;
    border-color: #deddd8;
    color: #222638;
}

.assistant-pop .chat-head {
    border-color: #deddd8;
}

.assistant-pop .chat-head strong {
    color: #222638;
}

.assistant-pop .chat-head small,
.assistant-pop .chat-welcome p,
.assistant-pop .chat-status {
    color: #687083;
}

.assistant-pop .chat-body {
    background: #fffdf8;
}

.assistant-pop .chat-welcome h2 {
    color: #242c3a;
}

.assistant-pop .chat-bubble.ai {
    background: #f4f1e9;
    color: #222638;
}

.assistant-pop .chat-input-wrap {
    background: #fff;
    border-color: #deddd8;
}

.assistant-pop .chat-input {
    color: #222638;
}

.assistant-pop .chat-input::placeholder {
    color: #687083;
}

.assistant-pop .chat-icon {
    color: #687083;
}

.assistant-pop .chat-icon:hover {
    background: #e9eefb;
    color: #334d8e;
}

.assistant-pop .chat-icon.chat-send,
.assistant-launcher {
    background: #11172e;
    color: #fff;
}

.assistant-pop .chat-icon.chat-send:hover,
.assistant-launcher:hover {
    background: #26345e;
    color: #fff;
}

.plan-thinking-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    margin: 0 auto 18px;
}

.plan-choice {
    text-align: center;
    max-width: 500px;
}

.plan-choice h2 {
    margin: 0 0 8px;
}

.plan-choice-actions {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 22px;
}

.chat-md {
    max-width: min(980px, 96vw);
    max-height: 96vh;
}

.chat-md .chat-body {
    max-height: 68vh;
    padding: 22px 18px 16px;
}

.chat-md .chat-welcome {
    padding: 8px 0 20px;
}

.chat-md .plan-thinking-visual {
    width: 100%;
    max-width: 100%;
    margin-bottom: 18px;
}

.chat-md .chat-welcome h2 {
    font-size: clamp(22px, 3vw, 30px);
}

.top-actions [data-act="logout"] {
    flex: none;
}

@media (max-width: 780px) {
    .top-actions [data-act="logout"] {
        font-size: 11px;
        padding: 8px 9px;
    }
}

@media (max-width: 800px) {
    .study-page,
    .progress-page {
        padding-bottom: calc(84px + env(safe-area-inset-bottom));
    }

    .study-page .sidebar,
    .study-page .sidebar:hover,
    .study-page .sidebar:focus-within,
    .study-page .sidebar.is-expanded,
    .study-page .sidebar.open,
    .progress-page .sidebar,
    .progress-page .sidebar:hover,
    .progress-page .sidebar:focus-within,
    .progress-page .sidebar.is-expanded,
    .progress-page .sidebar.open {
        position: fixed;
        inset: auto 0 0;
        z-index: 200;
        width: 100%;
        height: calc(64px + env(safe-area-inset-bottom));
        min-height: 0;
        padding: 4px 6px env(safe-area-inset-bottom);
        display: flex;
        flex-direction: row;
        align-items: center;
        justify-content: center;
        overflow: visible;
        transform: none;
        border-top: 1px solid var(--study-border);
        border-right: 0;
        background: rgba(249, 248, 244, .98);
        box-shadow: 0 -8px 24px rgba(17, 23, 46, .08);
        backdrop-filter: blur(18px);
    }

    .study-page .sidebar .brand,
    .study-page .sidebar .sidebar-bottom,
    .progress-page .sidebar .brand,
    .progress-page .sidebar .sidebar-bottom,
    .study-page .mobile-menu,
    .study-page .mobile-overlay {
        display: none;
    }

    .study-page .sidebar nav,
    .progress-page .sidebar nav {
        width: 100%;
        display: flex;
        flex-direction: row;
        align-items: stretch;
        justify-content: space-between;
        gap: 2px;
        overflow: visible;
    }

    .study-page .sidebar nav .nav-item,
    .progress-page .sidebar nav .nav-item {
        width: auto;
        min-width: 0;
        min-height: 50px;
        flex: 1 1 0;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 3px;
        padding: 4px 1px;
        overflow: visible;
        border-radius: 9px;
        text-align: center;
    }

    .study-page .sidebar .nav-icon,
    .progress-page .sidebar .nav-icon {
        width: auto;
        flex: 0 0 auto;
        font-size: 15px;
        line-height: 1;
    }

    .study-page .sidebar .nav-item > span:not(.nav-icon),
    .progress-page .sidebar .nav-item > span:not(.nav-icon) {
        width: auto;
        max-width: 100%;
        opacity: 1;
        overflow: visible;
        visibility: visible;
        font-size: 9px;
        line-height: 1.1;
        text-align: center;
        white-space: normal;
    }

    .study-page .main,
    .progress-page .main {
        margin-left: 0;
    }

    .study-page .main {
        padding-bottom: 35px;
    }

    .progress-page .main {
        padding-bottom: calc(96px + env(safe-area-inset-bottom));
    }

    .study-page .quick-actions {
        left: 0;
        bottom: calc(64px + env(safe-area-inset-bottom));
        z-index: 170;
    }

    .study-page {
        padding-bottom: calc(160px + env(safe-area-inset-bottom));
    }
}

@media (max-width: 370px) {
    .study-page .sidebar .nav-item > span:not(.nav-icon),
    .progress-page .sidebar .nav-item > span:not(.nav-icon) {
        font-size: 8px;
    }
}