*,
*::before,
*::after {
    box-sizing: border-box;
    -webkit-backdrop-filter: none !important;
    backdrop-filter: none !important;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    overflow-x: hidden;
    font-family: var(--page-font-body);
    color: var(--text);
    line-height: var(--line-height-body);
    background: var(--bg);
}

body.no-select {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

body.theme-landing {
    background: #f5f9fb;
}

body.exam-page {
    background: #edf4ff;
}

body.theme-landing::before,
body.exam-page::before,
body:not(.theme-landing):not(.exam-page)::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
}

body:not(.theme-landing):not(.exam-page)::before {
    top: -80px;
    right: -30px;
    inset: auto auto auto auto;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(209, 228, 255, 0.85) 0%, rgba(209, 228, 255, 0) 72%);
    filter: blur(8px);
    animation: pageGlow 12s ease-in-out infinite;
}

body.theme-landing::before {
    inset: auto -60px auto auto;
    top: 110px;
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: rgba(223, 238, 255, 0.86);
    filter: blur(12px);
    animation: softDrift 12s ease-in-out infinite;
}

body.exam-page::before {
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.42), transparent 28%),
        radial-gradient(circle at right top, rgba(101, 162, 255, 0.1), transparent 26%);
}

body.theme-landing::before,
body.exam-page::before,
body:not(.theme-landing):not(.exam-page)::before {
    display: none;
}

h1,
h2,
h3,
h4,
h5,
h6,
.site-title,
.page-title,
.section-title,
.exam-title,
.exam-home-title,
.exam-result-title {
    margin: 0;
    font-family: var(--page-font-heading);
    letter-spacing: -0.04em;
    line-height: 1.08;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    display: block;
    max-width: 100%;
}

button,
input,
textarea,
select {
    font: inherit;
}

.skip-link {
    position: absolute;
    top: 14px;
    left: 18px;
    z-index: 1000;
    padding: 10px 14px;
    border-radius: 14px;
    background: #0f213d;
    color: #ffffff;
    font-weight: var(--font-weight-bold);
    box-shadow: 0 12px 24px rgba(16, 35, 63, 0.22);
    transform: translateY(-180%);
    transition: transform 0.2s ease;
}

.skip-link:focus-visible {
    transform: translateY(0);
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

#main-content {
    scroll-margin-top: 24px;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
[tabindex]:focus-visible {
    outline: 3px solid var(--focus-ring);
    outline-offset: 4px;
}

.page-container,
.l-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.page-content,
.l-page__content {
    flex: 1;
}

.container,
.l-container {
    width: min(var(--page-max), calc(100% - (var(--page-gutter-mobile) * 2)));
    margin: 0 auto;
}

body.theme-landing .container,
body.exam-page .container {
    width: min(var(--page-max-wide), calc(100% - (var(--page-gutter-mobile) * 2)));
}

.breadcrumb,
.c-breadcrumb {
    position: sticky;
    top: 8px;
    z-index: 20;
    padding: 10px 0 8px;
    color: var(--text-muted);
    font-size: 0.92rem;
}

.breadcrumb .container,
.c-breadcrumb .l-container {
    display: flex;
    flex-wrap: nowrap;
    gap: 8px;
    align-items: center;
    padding: 10px 12px;
    overflow-x: auto;
    white-space: nowrap;
    border: 1px solid rgba(214, 231, 251, 0.92);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 10px 24px rgba(24, 58, 117, 0.06);
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.breadcrumb .container::-webkit-scrollbar,
.c-breadcrumb .l-container::-webkit-scrollbar {
    display: none;
}

.breadcrumb a:hover,
.breadcrumb a:focus-visible {
    color: var(--primary-strong);
}

body.exam-page .breadcrumb {
    padding: 18px 0 0;
}

.page-header,
.c-page-header {
    padding: 10px 0 8px;
}

.page-header .container,
.c-page-header .l-container {
    position: relative;
    padding: 20px 16px;
    border: var(--border-width-thin) solid var(--line);
    border-radius: 20px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(243, 248, 255, 0.98) 100%);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.page-header .container::after {
    display: none;
    content: none;
}

.page-header.compact .container {
    display: grid;
    gap: 14px;
}

.selection-page .page-header {
    padding: 8px 0 6px;
}

.selection-page .page-header .container {
    padding: 18px 16px 16px;
}

.selection-page .section {
    padding: 8px 0 18px;
}

.page-title,
.c-page-header__title {
    max-width: 760px;
    font-size: clamp(1.65rem, 7vw, 3.2rem);
    line-height: 1.04;
    overflow-wrap: anywhere;
    color: var(--text);
}

.page-header .page-title {
    margin-top: 0;
}

.eyebrow,
.section-eyebrow,
.method-tag,
.c-eyebrow {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    padding: 6px 12px;
    border-radius: var(--radius-pill);
    background: var(--primary-soft);
    color: var(--primary-strong);
    font-size: 0.8rem;
    font-weight: var(--font-weight-bold);
}

.section,
.l-section {
    padding: 16px 0 20px;
}

.section:last-of-type {
    padding-bottom: 28px;
}

.section-soft .container {
    padding: 28px 24px;
    border: 1px solid rgba(214, 231, 251, 0.96);
    border-radius: 24px;
    background: linear-gradient(180deg, rgba(235, 244, 255, 0.8) 0%, rgba(249, 252, 255, 0.92) 100%);
    box-shadow: var(--shadow-soft);
}

.section-heading,
.c-section__heading {
    max-width: 640px;
    margin: 0 auto 18px;
    text-align: center;
}

.section-title,
.c-section__title {
    margin-top: 10px;
    font-size: clamp(1.55rem, 2.7vw, 2.3rem);
    color: var(--text);
}

.section-subtitle,
.c-section__subtitle {
    max-width: 640px;
    margin-top: 10px;
    color: var(--text-muted);
    font-size: 0.96rem;
}

.eyebrow-home {
    background: var(--neutral-accent-soft);
    border-color: rgba(95, 111, 132, 0.2);
    color: var(--neutral-accent);
}

.hero-badge.eyebrow-home {
    background: var(--neutral-accent-soft);
    border-color: rgba(95, 111, 132, 0.2);
    color: var(--neutral-accent);
}

.eyebrow-daily {
    background: var(--reward-soft);
    color: var(--reward);
}

.eyebrow-material {
    background: var(--success-soft);
    color: var(--success);
}

.eyebrow-practice {
    background: rgba(45, 138, 87, 0.12);
    color: #24744b;
}

.eyebrow-exam {
    background: var(--warning-soft);
    color: var(--warning);
}

.eyebrow-method,
.eyebrow-faq {
    background: var(--neutral-accent-soft);
    color: var(--neutral-accent);
}

@media (max-width: 767px) {
    body.theme-landing .section,
    body.theme-landing .l-section {
        padding: 12px 0 14px;
    }

    body.theme-landing .section-heading,
    body.theme-landing .c-section__heading {
        margin-bottom: 12px;
    }

    body.theme-landing .section-title,
    body.theme-landing .c-section__title {
        margin-top: 7px;
        font-size: 1.38rem;
    }

    body.theme-landing .section-subtitle,
    body.theme-landing .c-section__subtitle {
        margin-top: 6px;
        font-size: 0.88rem;
    }
}

.header {
    position: relative;
    padding: 12px 0 24px;
}

.topbar {
    position: sticky;
    top: 8px;
    z-index: 32;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
    padding: 8px 10px;
    border: 1px solid rgba(214, 231, 251, 0.9);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 10px 24px rgba(24, 58, 117, 0.06);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-weight: var(--font-weight-bold);
}

.brand-logo {
    width: 32px;
    height: 32px;
    border-radius: 10px;
    object-fit: cover;
    animation: softFloat 6.8s ease-in-out infinite;
}

.brand-name {
    font-family: var(--font-brand);
    font-size: 1.05rem;
    font-weight: var(--font-weight-extrabold);
    letter-spacing: -0.05em;
    line-height: 1;
}

.topbar-actions {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
}

.top-login-state {
    display: none;
    align-items: center;
    min-height: 40px;
    padding: 8px 12px;
    border: 1px solid rgba(214, 231, 251, 0.96);
    border-radius: 999px;
    background: rgba(247, 251, 255, 0.98);
    color: var(--text-soft);
    font-size: 0.8rem;
    font-weight: var(--font-weight-bold);
    white-space: nowrap;
}

.top-login-state.is-logged {
    border-color: rgba(179, 226, 197, 0.96);
    background: #edf9f1;
    color: #1d6a46;
}

.top-nav {
    display: none;
    align-items: center;
    gap: 4px;
    flex-wrap: wrap;
}

.top-nav a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 10px 14px;
    border-radius: 10px;
    color: var(--text-muted);
    font-size: 0.88rem;
    font-weight: var(--font-weight-semibold);
    transition: background-color var(--transition-base), color var(--transition-base), transform var(--transition-base);
}

.top-nav a:hover,
.top-nav a:focus-visible {
    background: rgba(217, 235, 255, 0.55);
    color: var(--primary-strong);
}

.top-nav a.is-active {
    background: var(--primary-soft);
    color: var(--primary-strong);
}

.top-login {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 10px 14px;
    border-radius: 10px;
    background: var(--primary-strong);
    color: #ffffff;
    font-size: 0.88rem;
    font-weight: var(--font-weight-bold);
    white-space: nowrap;
    box-shadow: 0 8px 18px rgba(31, 94, 217, 0.18);
}

.top-login:hover,
.top-login:focus-visible {
    background: #184cb8;
}

.nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border: 1px solid rgba(214, 231, 251, 0.96);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.96);
    color: var(--text);
    box-shadow: var(--shadow-soft);
    cursor: pointer;
}

body.theme-landing .nav-toggle,
body.theme-landing .mobile-nav-drawer {
    display: none;
}

.nav-toggle-bars {
    display: inline-flex;
    flex-direction: column;
    gap: 4px;
}

.nav-toggle-bars span {
    width: 18px;
    height: 2px;
    border-radius: var(--radius-pill);
    background: currentColor;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle.is-open .nav-toggle-bars span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

.nav-toggle.is-open .nav-toggle-bars span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.is-open .nav-toggle-bars span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

.mobile-nav-drawer {
    position: fixed;
    inset: 0;
    z-index: 50;
    display: grid;
    justify-items: end;
    padding: 12px;
    pointer-events: none;
}

.mobile-nav-drawer[hidden] {
    display: none;
}

.mobile-nav-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 33, 61, 0.34);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.mobile-nav-panel {
    position: relative;
    width: min(100%, 320px);
    display: grid;
    gap: 16px;
    padding: 18px 16px 16px;
    border: 1px solid rgba(214, 231, 251, 0.92);
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-strong);
    transform: translateX(108%);
    transition: transform var(--transition-base);
}

.mobile-nav-drawer.is-open {
    pointer-events: auto;
}

.mobile-nav-drawer.is-open .mobile-nav-backdrop {
    opacity: 1;
}

.mobile-nav-drawer.is-open .mobile-nav-panel {
    transform: translateX(0);
}

.mobile-nav-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.mobile-nav-title {
    margin: 0;
    font-family: var(--font-heading);
    font-size: 1.15rem;
    letter-spacing: -0.03em;
}

.mobile-nav-links {
    display: grid;
    gap: 8px;
}

.mobile-nav-links a,
.mobile-nav-login {
    display: inline-flex;
    align-items: center;
    width: 100%;
    min-height: 48px;
    padding: 12px 14px;
    border-radius: 16px;
    font-weight: var(--font-weight-bold);
}

.mobile-nav-links a {
    background: var(--surface-soft);
    color: var(--text);
}

.mobile-nav-links a.is-active {
    background: rgba(217, 235, 255, 0.75);
    color: var(--primary-strong);
}

.mobile-nav-login {
    justify-content: center;
    background: var(--primary-strong);
    color: #ffffff;
}

.bottom-nav {
    display: none;
}

.menu-open {
    overflow: hidden;
}

.header-content {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
    padding: 12px;
    border: 1px solid rgba(214, 231, 251, 0.96);
    border-radius: 20px;
    background: #ffffff;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.header-content::after {
    content: "";
    position: absolute;
    left: 28px;
    bottom: 20px;
    width: 56px;
    height: 2px;
    border-radius: var(--radius-pill);
    background: rgba(183, 212, 248, 0.9);
}

.hero-copy {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
    gap: 10px;
    width: 100%;
    min-width: 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    padding: 7px 11px;
    border-radius: var(--radius-pill);
    background: rgba(217, 235, 255, 0.88);
    border: 1px solid rgba(183, 212, 248, 0.8);
    color: var(--primary-strong);
    font-size: 0.75rem;
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.02em;
    animation: softFloat 8s ease-in-out infinite;
}

.site-title {
    max-width: min(100%, 560px);
    font-size: clamp(1.45rem, 5vw, 4.6rem);
    line-height: 1.06;
    color: var(--text);
}

.site-description {
    width: 100%;
    max-width: 42ch;
    font-size: 0.9rem;
    line-height: var(--line-height-body);
    color: var(--text-muted);
    overflow-wrap: anywhere;
}

@media (max-width: 767px) {
    .hero-badge {
        padding: 6px 9px;
        font-size: 0.72rem;
    }

    .site-title {
        font-size: 1.38rem;
    }

    .site-description {
        font-size: 0.84rem;
        line-height: 1.5;
        max-width: 27ch;
    }

    .hero-account-copy,
    body.theme-landing .section-subtitle {
        max-width: 30ch;
        overflow-wrap: anywhere;
    }

    .hero-account-banner {
        padding: 9px 10px;
        border-radius: 15px;
    }

    .mentor-start-card {
        grid-template-columns: minmax(0, 1fr) 46px;
        min-height: 62px;
        padding: 8px 9px;
    }

    .mentor-start-card .continue-copy,
    .mentor-start-card .continue-meta,
    .mentor-start-card .continue-progress {
        display: none;
    }

    .mentor-start-card .continue-kicker {
        font-size: 0.68rem;
    }

    .mentor-start-card strong {
        font-size: 0.95rem;
        line-height: 1.2;
    }

    .hero-mission-card {
        gap: 8px;
        padding: 10px;
        border-radius: 16px;
    }

    .hero-mission-head {
        gap: 2px;
    }

    .mission-kicker {
        padding: 3px 7px;
        font-size: 0.68rem;
    }

    .hero-mission-head strong {
        font-size: 0.92rem;
    }

    .hero-mission-head small {
        font-size: 0.76rem;
    }

    .mission-stats,
    .mission-actions {
        gap: 6px;
    }

    .mission-stats span {
        padding: 7px 6px;
        border-radius: 12px;
    }

    .mission-stats strong {
        font-size: 0.78rem;
    }

    .mission-stats small {
        font-size: 0.62rem;
    }

    .mission-actions a {
        min-height: 36px;
        padding: 7px 5px;
        font-size: 0.72rem;
    }

    .mentor-play-btn {
        width: 46px;
        height: 46px;
        border-radius: 15px;
    }

    .hero-actions {
        display: none;
    }
}

@media (max-width: 479px) {
    .topbar {
        gap: 8px;
    }

    .brand {
        min-width: 0;
        gap: 9px;
    }

    .brand-name {
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .topbar-actions {
        flex-shrink: 0;
    }

    .top-login {
        display: none;
    }
}

.mentor-card {
    position: relative;
    order: -1;
    display: grid;
    min-height: 118px;
    overflow: hidden;
    border-radius: 18px;
    background: linear-gradient(180deg, rgba(237, 249, 241, 0.78) 0%, rgba(248, 251, 255, 0.96) 100%);
    border: 1px solid rgba(214, 231, 251, 0.9);
}

.mentor-bubble {
    position: absolute;
    top: auto;
    left: 10px;
    right: auto;
    bottom: 10px;
    z-index: 2;
    display: grid;
    gap: 4px;
    width: fit-content;
    max-width: min(176px, calc(100% - 112px));
    padding: 8px 10px;
    border: 1px solid rgba(214, 231, 251, 0.96);
    border-radius: 16px 16px 16px 6px;
    background: rgba(255, 255, 255, 0.94);
    box-shadow: var(--shadow-soft);
}

.mentor-bubble span {
    color: var(--primary-strong);
    font-size: 0.74rem;
    font-weight: var(--font-weight-extrabold);
}

.mentor-bubble p {
    margin: 0;
    color: var(--text);
    font-size: 0.8rem;
    font-weight: var(--font-weight-bold);
    line-height: 1.35;
}

.mentor-image {
    align-self: end;
    justify-self: end;
    width: min(40%, 124px);
    max-height: 136px;
    object-fit: contain;
    object-position: bottom right;
    filter: drop-shadow(0 20px 28px rgba(15, 43, 86, 0.18));
}

.hero-actions {
    order: 2;
    display: grid;
    gap: 12px;
    margin-top: 8px;
    width: 100%;
}

.mentor-start-card {
    order: 1;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 50px;
    align-items: center;
    gap: 10px;
    width: 100%;
    max-width: 540px;
    padding: 10px;
    border: 1px solid rgba(214, 231, 251, 0.96);
    border-radius: 16px;
    background: rgba(248, 251, 255, 0.96);
    box-shadow: var(--shadow-soft);
}

.mentor-start-card > div {
    display: grid;
    gap: 5px;
    min-width: 0;
}

.hero-mission-card {
    order: 2;
    display: grid;
    gap: 10px;
    width: 100%;
    max-width: 540px;
    padding: 12px;
    border: 1px solid rgba(244, 182, 83, 0.34);
    border-radius: 18px;
    background: linear-gradient(180deg, rgba(255, 248, 235, 0.95) 0%, rgba(248, 253, 250, 0.98) 100%);
    box-shadow: 0 12px 24px rgba(141, 91, 18, 0.07);
}

.hero-mission-head {
    display: grid;
    gap: 3px;
    min-width: 0;
}

.mission-kicker {
    width: fit-content;
    padding: 4px 8px;
    border-radius: var(--radius-pill);
    background: rgba(255, 236, 197, 0.95);
    color: #9a5a05;
    font-size: 0.72rem;
    font-weight: var(--font-weight-extrabold);
}

.hero-mission-head strong {
    color: var(--text);
    font-size: 1rem;
    line-height: 1.25;
}

.hero-mission-head small {
    color: var(--text-soft);
    font-size: 0.82rem;
    line-height: 1.45;
}

.mission-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 7px;
}

.mission-stats span {
    display: grid;
    gap: 2px;
    min-width: 0;
    padding: 8px;
    border: 1px solid rgba(214, 231, 251, 0.9);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.72);
}

.mission-stats strong {
    color: var(--text);
    font-size: 0.86rem;
    line-height: 1.2;
    overflow-wrap: anywhere;
}

.mission-stats small {
    color: var(--text-soft);
    font-size: 0.68rem;
    font-weight: var(--font-weight-bold);
}

.mission-actions {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 7px;
}

.mission-actions a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 0;
    min-height: 38px;
    padding: 8px;
    border: 1px solid rgba(179, 226, 197, 0.94);
    border-radius: 12px;
    background: rgba(237, 249, 241, 0.92);
    color: #1d6a46;
    font-size: 0.78rem;
    font-weight: var(--font-weight-extrabold);
    text-align: center;
    line-height: 1.25;
    overflow-wrap: anywhere;
}

.mission-actions a:hover,
.mission-actions a:focus-visible {
    border-color: rgba(47, 125, 246, 0.36);
    background: rgba(235, 244, 255, 0.96);
    color: var(--primary-strong);
}

@media (max-width: 479px) {
    .mission-actions {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .mission-actions a:last-child {
        grid-column: 1 / -1;
    }
}

.mentor-play-btn {
    display: inline-grid;
    place-items: center;
    width: 50px;
    height: 50px;
    border-radius: 16px;
    background: linear-gradient(180deg, var(--primary) 0%, var(--primary-strong) 100%);
    color: #ffffff;
    box-shadow: 0 12px 24px rgba(47, 125, 246, 0.22);
}

.mentor-play-btn svg {
    width: 24px;
    height: 24px;
}

.hero-account-banner {
    order: 3;
    display: grid;
    gap: 4px;
    width: 100%;
    max-width: 520px;
    margin-top: 4px;
    padding: 12px 14px;
    border: 1px solid rgba(214, 231, 251, 0.96);
    border-radius: 18px;
    background: rgba(248, 251, 255, 0.94);
    box-shadow: var(--shadow-soft);
}

.hero-account-label {
    font-size: 0.82rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--text);
}

.hero-account-copy {
    font-size: 0.88rem;
    line-height: 1.5;
    color: var(--text-soft);
}

.hero-account-banner.is-logged {
    border-color: rgba(179, 226, 197, 0.96);
    background: linear-gradient(180deg, rgba(237, 249, 241, 0.98) 0%, rgba(248, 253, 250, 0.98) 100%);
}

.hero-account-banner.is-logged .hero-account-label {
    color: #1d6a46;
}

.study-panel {
    display: grid;
    gap: 8px;
    width: 100%;
    max-width: 700px;
    min-width: 0;
}

.continue-card,
.quick-action {
    min-width: 0;
    border: 1px solid rgba(214, 231, 251, 0.96);
    background: rgba(248, 251, 255, 0.96);
    box-shadow: var(--shadow-soft);
    transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.continue-card:hover,
.continue-card:focus-visible,
.quick-action:hover,
.quick-action:focus-visible {
    transform: translateY(-2px);
    border-color: var(--line-strong);
    box-shadow: 0 12px 24px rgba(30, 80, 159, 0.09);
}

.continue-card {
    display: grid;
    gap: 6px;
    padding: 14px;
    border-radius: 18px;
}

.continue-kicker,
.quick-action-label {
    color: var(--text-soft);
    font-size: 0.74rem;
    font-weight: var(--font-weight-bold);
}

.continue-card strong {
    color: var(--text);
    font-size: 1.02rem;
    line-height: 1.2;
}

.continue-copy {
    color: var(--text-muted);
    font-size: 0.86rem;
    line-height: 1.45;
}

.continue-meta {
    display: inline-flex;
    width: fit-content;
    max-width: 100%;
    padding: 5px 8px;
    border-radius: var(--radius-pill);
    background: rgba(237, 249, 241, 0.96);
    color: #1d6a46;
    font-size: 0.72rem;
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
}

.continue-progress {
    display: block;
    height: 7px;
    margin-top: 4px;
    overflow: hidden;
    border-radius: var(--radius-pill);
    background: rgba(216, 229, 245, 0.86);
}

.continue-progress span {
    display: block;
    width: 42%;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, #2d8a57 0%, #f3b23c 100%);
    transition: width var(--transition-base);
}

.quick-actions {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
}

.roadmap-section {
    padding-top: 14px;
}

.roadmap-card {
    position: relative;
    display: grid;
    gap: 10px;
    max-width: 760px;
    margin: 0 auto;
    padding: 14px;
    border: 1px solid rgba(214, 231, 251, 0.96);
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: var(--shadow-soft);
}

.roadmap-card::before {
    content: "";
    position: absolute;
    left: 35px;
    top: 34px;
    bottom: 34px;
    width: 3px;
    border-radius: var(--radius-pill);
    background: linear-gradient(180deg, rgba(47, 125, 246, 0.42), rgba(45, 138, 87, 0.26));
}

.roadmap-node {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 42px minmax(0, 1fr);
    align-items: center;
    gap: 12px;
    min-height: 64px;
    padding: 10px;
    border: 1px solid rgba(214, 231, 251, 0.92);
    border-radius: 18px;
    background: #ffffff;
    box-shadow: 0 8px 18px rgba(22, 55, 112, 0.05);
}

.roadmap-node.is-active {
    border-color: rgba(47, 125, 246, 0.44);
    background: linear-gradient(180deg, #ffffff 0%, #eef5ff 100%);
}

.roadmap-dot {
    display: inline-grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border-radius: 15px;
    background: rgba(238, 243, 248, 0.96);
    color: var(--text-muted);
    font-weight: var(--font-weight-extrabold);
}

.roadmap-node.is-active .roadmap-dot {
    background: var(--primary);
    color: #ffffff;
}

.roadmap-copy {
    display: grid;
    gap: 3px;
    min-width: 0;
}

.roadmap-copy strong {
    color: var(--text);
    font-size: 0.98rem;
}

.roadmap-copy small {
    color: var(--text-soft);
    font-size: 0.82rem;
    line-height: 1.35;
}

.pillar-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.pillar-card {
    display: grid;
    gap: 8px;
    min-width: 0;
    min-height: 136px;
    padding: 13px;
    border: 1px solid rgba(214, 231, 251, 0.96);
    border-bottom-width: 4px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: var(--shadow-soft);
}

.pillar-icon {
    display: inline-grid;
    place-items: center;
    width: 48px;
    height: 48px;
    border: 2px solid rgba(142, 151, 163, 0.72);
    border-bottom-width: 5px;
    border-radius: 14px;
    background: linear-gradient(180deg, #ffffff 0%, #f7fafc 100%);
    color: var(--text-muted);
}

.pillar-icon svg {
    width: 24px;
    height: 24px;
    stroke-width: 2.35;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.pillar-card strong {
    color: var(--text);
    font-size: 1rem;
}

.pillar-card small {
    color: var(--text-soft);
    font-size: 0.8rem;
    line-height: 1.35;
}

.pillar-material {
    border-color: rgba(47, 125, 246, 0.38);
}

.pillar-practice,
.pillar-quick {
    border-color: rgba(45, 138, 87, 0.34);
}

.pillar-exam {
    border-color: rgba(217, 119, 6, 0.34);
}

.pillar-material .pillar-icon {
    border-color: var(--primary);
    color: var(--primary-strong);
    background: linear-gradient(180deg, #e9f2ff 0%, #cfe2ff 100%);
}

.pillar-practice .pillar-icon,
.pillar-quick .pillar-icon {
    border-color: var(--success);
    color: var(--success);
    background: linear-gradient(180deg, #edfbf3 0%, #d8f3e3 100%);
}

.pillar-exam .pillar-icon {
    border-color: var(--warning);
    color: var(--warning);
    background: linear-gradient(180deg, #fff8e6 0%, #ffe7b4 100%);
}

.leaderboard-section {
    padding-top: 14px;
}

.leaderboard-card {
    display: grid;
    gap: 12px;
    max-width: 860px;
    margin: 0 auto;
    padding: 14px;
    border: 1px solid rgba(214, 231, 251, 0.96);
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: var(--shadow-soft);
}

.leaderboard-podium {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: end;
    gap: 8px;
}

.leaderboard-rank {
    position: relative;
    display: grid;
    justify-items: center;
    align-content: center;
    gap: 6px;
    min-width: 0;
    min-height: 122px;
    padding: 14px 8px 12px;
    overflow: hidden;
    border: 1px solid rgba(214, 231, 251, 0.96);
    border-bottom-width: 5px;
    border-radius: 18px;
    background: linear-gradient(180deg, #ffffff 0%, #f7fafc 100%);
    color: var(--text);
    text-align: center;
}

.leaderboard-rank::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0.7;
}

.leaderboard-rank-1 {
    min-height: 146px;
    border-color: rgba(245, 178, 42, 0.88);
    background: linear-gradient(180deg, #fff8df 0%, #ffe8a8 100%);
    box-shadow: 0 16px 30px rgba(217, 119, 6, 0.16);
}

.leaderboard-rank-1::before {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.74), transparent 42%);
}

.leaderboard-rank-2 {
    border-color: rgba(148, 163, 184, 0.78);
    background: linear-gradient(180deg, #ffffff 0%, #e9eef5 100%);
}

.leaderboard-rank-3 {
    border-color: rgba(205, 127, 50, 0.58);
    background: linear-gradient(180deg, #fff9f1 0%, #f5dcc2 100%);
}

.leaderboard-medal {
    position: relative;
    z-index: 1;
    display: inline-grid;
    place-items: center;
    width: 38px;
    height: 38px;
    border: 2px solid rgba(255, 255, 255, 0.72);
    border-radius: 999px;
    background: var(--primary-soft);
    color: var(--primary-strong);
    font-weight: var(--font-weight-extrabold);
    box-shadow: 0 8px 16px rgba(15, 43, 86, 0.12);
}

.leaderboard-rank-1 .leaderboard-medal {
    width: 44px;
    height: 44px;
    background: #f5b22a;
    color: #3d2500;
}

.leaderboard-rank strong,
.leaderboard-row strong {
    position: relative;
    z-index: 1;
    max-width: 100%;
    color: var(--text);
    line-height: 1.2;
    overflow-wrap: anywhere;
}

.leaderboard-rank small {
    position: relative;
    z-index: 1;
    color: var(--text-soft);
    font-size: 0.78rem;
    font-weight: var(--font-weight-extrabold);
}

.leaderboard-list {
    display: grid;
    gap: 8px;
}

.leaderboard-row {
    display: grid;
    grid-template-columns: 38px minmax(0, 1fr) auto;
    align-items: center;
    gap: 10px;
    min-height: 54px;
    padding: 9px 10px;
    border: 1px solid rgba(214, 231, 251, 0.92);
    border-radius: 16px;
    background: #ffffff;
}

.leaderboard-number {
    display: inline-grid;
    place-items: center;
    width: 32px;
    height: 32px;
    border-radius: 11px;
    background: rgba(238, 243, 248, 0.96);
    color: var(--text-muted);
    font-weight: var(--font-weight-extrabold);
}

.leaderboard-row span:last-child {
    color: #1d6a46;
    font-size: 0.86rem;
    font-weight: var(--font-weight-extrabold);
}

.leaderboard-coming-soon {
    display: grid;
    justify-items: center;
    gap: 8px;
    min-height: 156px;
    padding: 26px 18px;
    border: 1px dashed rgba(245, 178, 42, 0.72);
    border-radius: 18px;
    background: linear-gradient(180deg, #fffaf0 0%, #fff4d8 100%);
    text-align: center;
}

.leaderboard-coming-soon span {
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    padding: 6px 12px;
    border-radius: 999px;
    background: #fff;
    color: #9a6500;
    font-size: 0.78rem;
    font-weight: var(--font-weight-extrabold);
}

.leaderboard-coming-soon strong {
    color: var(--text);
    font-size: clamp(1.2rem, 3vw, 1.7rem);
    line-height: 1.2;
}

.leaderboard-coming-soon p {
    max-width: 460px;
    color: var(--text-soft);
    line-height: 1.65;
}

@media (max-width: 479px) {
    .leaderboard-card {
        padding: 12px;
    }

    .leaderboard-podium {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .leaderboard-rank {
        min-height: 112px;
    }

    .leaderboard-rank-1 {
        order: -1;
        grid-column: 1 / -1;
        min-height: 126px;
    }

    .leaderboard-rank-2 {
        order: 1;
    }

    .leaderboard-rank-3 {
        order: 2;
    }

    .leaderboard-row {
        grid-template-columns: 34px minmax(0, 1fr) auto;
        gap: 8px;
    }
}

.quick-action {
    display: grid;
    align-content: center;
    gap: 4px;
    min-height: 76px;
    padding: 12px 10px;
    border-radius: 16px;
}

.quick-action strong {
    color: var(--text);
    font-size: 0.9rem;
    line-height: 1.2;
    overflow-wrap: anywhere;
}

.quick-action-material {
    border-color: rgba(45, 138, 87, 0.2);
    background: linear-gradient(180deg, rgba(248, 253, 250, 0.98) 0%, rgba(237, 249, 241, 0.98) 100%);
}

.quick-action-practice {
    border-color: rgba(45, 138, 87, 0.18);
    background: linear-gradient(180deg, rgba(248, 253, 250, 0.98) 0%, rgba(237, 249, 241, 0.98) 100%);
}

.quick-action-exam {
    border-color: rgba(217, 119, 6, 0.22);
    background: linear-gradient(180deg, rgba(255, 252, 246, 0.98) 0%, rgba(255, 244, 222, 0.98) 100%);
}

.mobile-nav-status {
    margin: 0;
    padding: 0 4px;
    color: var(--text-soft);
    font-size: 0.84rem;
    line-height: 1.5;
}

.hero-marquee {
    width: 100%;
    max-width: 640px;
    margin-top: 8px;
    overflow: hidden;
    border: 1px solid rgba(214, 231, 251, 0.96);
    border-radius: var(--radius-pill);
    background: rgba(248, 251, 255, 0.9);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.72);
    mask-image: linear-gradient(90deg, transparent 0, #000 10%, #000 90%, transparent 100%);
}

.hero-marquee-track {
    display: flex;
    width: max-content;
    gap: 10px;
    padding: 9px 10px;
    animation: heroMarquee 24s linear infinite;
}

.hero-marquee:hover .hero-marquee-track,
.hero-marquee:focus-within .hero-marquee-track {
    animation-play-state: paused;
}

.hero-marquee-track span {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    padding: 5px 10px;
    border-radius: var(--radius-pill);
    background: #ffffff;
    color: var(--text-soft);
    font-size: 0.78rem;
    font-weight: var(--font-weight-bold);
    white-space: nowrap;
    box-shadow: 0 6px 14px rgba(22, 55, 112, 0.05);
}

.footer {
    padding: 10px 0 24px;
}

.footer .container {
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.96);
    text-align: center;
}

.footer-title {
    font-size: 1.05rem;
    margin-bottom: 8px;
}

.footer-quote {
    margin-bottom: 10px;
    color: var(--primary-strong);
    font-size: 0.95rem;
    font-weight: var(--font-weight-bold);
}

.footer-credit,
.footer-text {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.bottom-nav-text {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.bottom-nav-icon svg {
    width: 24px;
    height: 24px;
    stroke-width: 2.4;
}

@media (max-width: 900px) {
    body {
        padding-bottom: 92px;
    }

    body.theme-landing .footer {
        padding-bottom: 14px;
    }

    .bottom-nav {
        position: fixed;
        left: max(8px, env(safe-area-inset-left));
        right: max(8px, env(safe-area-inset-right));
        bottom: max(8px, env(safe-area-inset-bottom));
        z-index: 55;
        display: grid;
        grid-template-columns: repeat(5, minmax(0, 1fr));
        gap: 7px;
        min-height: 74px;
        padding: 8px;
        border: 1px solid rgba(202, 215, 233, 0.96);
        border-radius: 20px;
        background: rgba(255, 255, 255, 0.95);
        box-shadow: 0 16px 38px rgba(15, 43, 86, 0.16);
    }

    .bottom-nav-link {
        position: relative;
        display: grid;
        place-items: center;
        min-width: 0;
        min-height: 58px;
        border-radius: 16px;
        color: #7d8999;
        outline-offset: 3px;
        transition: transform var(--transition-base), color var(--transition-base);
    }

    .bottom-nav-link:hover,
    .bottom-nav-link:focus-visible {
        color: var(--primary-strong);
        transform: translateY(-1px);
    }

    .bottom-nav-icon {
        position: relative;
        display: inline-grid;
        place-items: center;
        width: 50px;
        height: 50px;
        border: 2px solid rgba(142, 151, 163, 0.72);
        border-bottom-width: 5px;
        border-radius: 13px;
        background: linear-gradient(180deg, #ffffff 0%, #f7fafc 100%);
        color: inherit;
        box-shadow: 0 4px 10px rgba(15, 43, 86, 0.08);
    }

    .bottom-nav-link[data-nav="home"].is-active .bottom-nav-icon {
        border-color: #ffcf2f;
        background: linear-gradient(180deg, #fff56a 0%, #ffc928 100%);
        color: #18233d;
        box-shadow: 0 8px 18px rgba(216, 150, 0, 0.2);
    }

    .bottom-nav-link[data-nav="material"].is-active .bottom-nav-icon {
        border-color: #2f7df6;
        background: linear-gradient(180deg, #e9f2ff 0%, #cfe2ff 100%);
        color: #1f62d6;
        box-shadow: 0 8px 18px rgba(47, 125, 246, 0.18);
    }

    .bottom-nav-link[data-nav="practice"].is-active .bottom-nav-icon {
        border-color: #2d8a57;
        background: linear-gradient(180deg, #edfbf3 0%, #d8f3e3 100%);
        color: #217345;
        box-shadow: 0 8px 18px rgba(45, 138, 87, 0.16);
    }

    .bottom-nav-link[data-nav="exam"].is-active .bottom-nav-icon {
        border-color: #d97706;
        background: linear-gradient(180deg, #fff8e6 0%, #ffe7b4 100%);
        color: #b85f00;
        box-shadow: 0 8px 18px rgba(217, 119, 6, 0.16);
    }

    .bottom-nav-link[data-nav="profile"].is-active .bottom-nav-icon {
        border-color: #7a8a9d;
        background: linear-gradient(180deg, #fbfcfe 0%, #eef2f6 100%);
        color: #44546a;
        box-shadow: 0 8px 18px rgba(68, 84, 106, 0.14);
    }

    .bottom-nav-link.is-active .bottom-nav-icon::after {
        content: "";
        position: absolute;
        top: -7px;
        right: -7px;
        width: 15px;
        height: 15px;
        border: 2px solid rgba(231, 89, 105, 0.9);
        border-radius: 999px;
        background: rgba(255, 233, 236, 0.82);
    }
}

.app-tab-page {
    background: #f5f8fb;
    font-family: var(--page-font-body);
}

.tab-shell {
    padding: 14px 0 34px;
}

.tab-hero {
    display: grid;
    gap: 14px;
    padding: 18px;
    border: 1px solid rgba(214, 231, 251, 0.96);
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: var(--shadow-soft);
}

.tab-hero-kicker {
    width: fit-content;
    padding: 6px 10px;
    border-radius: var(--radius-pill);
    background: var(--neutral-accent-soft);
    color: var(--neutral-accent);
    font-size: 0.76rem;
    font-weight: var(--font-weight-extrabold);
}

.tab-title {
    margin: 0;
    color: var(--text);
    font-family: var(--page-font-heading);
    font-size: clamp(1.7rem, 5vw, 2.6rem);
    line-height: 1.12;
}

.tab-subtitle {
    margin: 0;
    max-width: 720px;
    color: var(--text-soft);
    line-height: 1.6;
}

.tab-toolbar {
    display: grid;
    gap: 10px;
    margin: 18px 0;
    padding: 12px;
    border: 1px solid rgba(214, 231, 251, 0.96);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.92);
    box-shadow: var(--shadow-soft);
}

.tab-toolbar-head {
    display: grid;
    gap: 4px;
}

.tab-toolbar-head .tab-section-title {
    margin: 0;
}

.tab-search {
    width: 100%;
    min-height: 46px;
    padding: 0 14px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: #ffffff;
    color: var(--text);
    font: inherit;
    outline: none;
}

.tab-search:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(47, 125, 246, 0.13);
}

.tab-filter-row {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 2px;
    scrollbar-width: none;
}

.tab-filter-row::-webkit-scrollbar {
    display: none;
}

.tab-suggestion-row {
    display: flex;
    gap: 7px;
    overflow-x: auto;
    padding-bottom: 2px;
    scrollbar-width: none;
}

.tab-suggestion-row::-webkit-scrollbar {
    display: none;
}

.tab-chip {
    flex: 0 0 auto;
    min-height: 38px;
    padding: 8px 13px;
    border: 1px solid var(--line);
    border-radius: var(--radius-pill);
    background: #ffffff;
    color: var(--text-muted);
    font-weight: var(--font-weight-bold);
    cursor: pointer;
}

.tab-chip.is-active {
    border-color: var(--primary);
    background: var(--primary);
    color: #ffffff;
}

.tab-suggestion-chip {
    flex: 0 0 auto;
    min-height: 34px;
    padding: 7px 11px;
    border: 1px solid rgba(214, 231, 251, 0.96);
    border-radius: var(--radius-pill);
    background: rgba(248, 251, 255, 0.96);
    color: var(--text-muted);
    font-size: 0.82rem;
    font-weight: var(--font-weight-bold);
    cursor: pointer;
}

.tab-suggestion-chip.is-active {
    border-color: rgba(45, 138, 87, 0.36);
    background: var(--success-soft);
    color: var(--success);
}

.tab-grid {
    display: grid;
    gap: 12px;
}

.tab-card {
    display: grid;
    gap: 10px;
    min-width: 0;
    padding: 15px;
    border: 1px solid rgba(214, 231, 251, 0.96);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.97);
    box-shadow: var(--shadow-soft);
}

.quick-practice-section {
    display: grid;
    gap: 12px;
    margin: 18px 0;
    padding: 14px;
    border: 1px solid rgba(214, 231, 251, 0.96);
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: var(--shadow-soft);
}

.practice-mode-switch {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin: 18px 0;
}

.practice-mode-btn {
    display: grid;
    gap: 9px;
    min-width: 0;
    padding: 12px;
    border: 1px solid rgba(214, 231, 251, 0.96);
    border-bottom-width: 4px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.96);
    color: var(--text);
    text-align: left;
    box-shadow: var(--shadow-soft);
    cursor: pointer;
}

.practice-mode-btn:hover,
.practice-mode-btn:focus-visible {
    transform: translateY(-1px);
}

.practice-mode-btn.is-active {
    border-color: var(--primary);
    background: linear-gradient(180deg, #ffffff 0%, #eef5ff 100%);
}

.practice-mode-btn[data-practice-view="quick"].is-active {
    border-color: var(--success);
    background: linear-gradient(180deg, #ffffff 0%, #eefaf4 100%);
}

.practice-mode-icon {
    display: inline-grid;
    place-items: center;
    width: 50px;
    height: 50px;
    border: 2px solid rgba(142, 151, 163, 0.72);
    border-bottom-width: 5px;
    border-radius: 14px;
    background: linear-gradient(180deg, #ffffff 0%, #f7fafc 100%);
    color: var(--text-muted);
    box-shadow: 0 5px 12px rgba(15, 43, 86, 0.08);
}

.practice-mode-btn.is-active .practice-mode-icon {
    border-color: var(--primary);
    background: linear-gradient(180deg, #e9f2ff 0%, #cfe2ff 100%);
    color: var(--primary-strong);
}

.practice-mode-btn[data-practice-view="quick"].is-active .practice-mode-icon {
    border-color: var(--success);
    background: linear-gradient(180deg, #edfbf3 0%, #d8f3e3 100%);
    color: var(--success);
}

.practice-mode-icon svg {
    width: 25px;
    height: 25px;
    stroke-width: 2.4;
}

.practice-mode-copy {
    display: grid;
    gap: 3px;
}

.practice-mode-copy strong {
    color: var(--text);
    font-size: 0.96rem;
    line-height: 1.2;
}

.practice-mode-copy small {
    color: var(--text-soft);
    font-size: 0.78rem;
    line-height: 1.35;
}

.practice-panel[hidden] {
    display: none;
}

.quick-practice-section .tab-section-title {
    margin: 0;
}

.quick-practice-copy {
    margin: 4px 0 0;
    color: var(--text-soft);
    font-size: 0.88rem;
    line-height: 1.55;
}

.quick-practice-grid {
    display: grid;
    gap: 12px;
}

.quick-practice-card {
    position: relative;
    overflow: hidden;
    display: grid;
    grid-template-columns: 62px minmax(0, 1fr);
    align-items: center;
    gap: 12px;
    min-height: 88px;
    padding: 13px;
    border: 1px solid rgba(196, 216, 244, 0.96);
    border-bottom-width: 4px;
    border-radius: 20px;
    background: #ffffff;
    box-shadow: 0 10px 22px rgba(22, 55, 112, 0.07);
}

.quick-practice-card::after {
    content: "";
    position: absolute;
    right: -34px;
    top: -44px;
    width: 118px;
    height: 118px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.42);
    pointer-events: none;
}

.quick-practice-card:hover,
.quick-practice-card:focus-visible {
    transform: translateY(-2px);
    border-color: var(--line-strong);
    box-shadow: 0 14px 28px rgba(22, 55, 112, 0.11);
}

.quick-practice-icon {
    display: inline-grid;
    place-items: center;
    align-content: center;
    gap: 1px;
    width: 62px;
    height: 62px;
    border: 2px solid rgba(255, 255, 255, 0.58);
    border-bottom-width: 5px;
    border-radius: 18px;
    color: #ffffff;
    font-weight: var(--font-weight-extrabold);
    line-height: 1;
    box-shadow: 0 10px 18px rgba(22, 55, 112, 0.14);
}

.quick-symbol {
    font-family: "Sora", "Plus Jakarta Sans", sans-serif;
    font-size: 1.85rem;
    line-height: 0.95;
}

.quick-formula,
.quick-mini {
    font-size: 0.62rem;
    font-weight: var(--font-weight-bold);
    letter-spacing: 0;
    opacity: 0.9;
}

.quick-practice-text {
    display: grid;
    gap: 3px;
    min-width: 0;
}

.quick-practice-text strong {
    color: var(--text);
    font-size: 0.96rem;
    line-height: 1.2;
}

.quick-practice-text small {
    color: var(--text-soft);
    font-size: 0.78rem;
    line-height: 1.35;
}

.quick-practice-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin-top: 3px;
}

.quick-practice-meta span {
    display: inline-flex;
    align-items: center;
    min-height: 22px;
    padding: 3px 7px;
    border-radius: var(--radius-pill);
    background: rgba(255, 255, 255, 0.72);
    color: var(--text-muted);
    font-size: 0.68rem;
    font-weight: var(--font-weight-bold);
}

.quick-practice-action {
    position: relative;
    z-index: 1;
    display: inline-flex;
    grid-column: 2;
    align-items: center;
    gap: 4px;
    width: fit-content;
    padding: 7px 10px;
    border-radius: var(--radius-pill);
    background: rgba(255, 255, 255, 0.76);
    color: var(--text-muted);
    font-size: 0.74rem;
    font-weight: var(--font-weight-extrabold);
}

.quick-practice-action::after {
    content: "→";
    font-size: 0.82rem;
}

.quick-practice-card.accent-daily {
    background: linear-gradient(180deg, rgba(255, 252, 246, 0.98) 0%, rgba(255, 244, 222, 0.94) 100%);
}

.quick-practice-card.accent-daily .quick-practice-icon {
    background: linear-gradient(180deg, #f3b23c 0%, #d97706 100%);
}

.quick-practice-card.accent-multiply {
    background: linear-gradient(180deg, rgba(247, 251, 255, 0.98) 0%, rgba(232, 242, 255, 0.97) 100%);
}

.quick-practice-card.accent-multiply .quick-practice-icon {
    background: linear-gradient(180deg, #2f7df6 0%, #1f62d6 100%);
}

.quick-practice-card.accent-multiply.is-advanced {
    background: linear-gradient(180deg, rgba(246, 250, 255, 0.98) 0%, rgba(224, 236, 255, 0.96) 100%);
}

.quick-practice-card.accent-divide {
    background: linear-gradient(180deg, rgba(248, 253, 250, 0.98) 0%, rgba(232, 248, 238, 0.96) 100%);
}

.quick-practice-card.accent-divide .quick-practice-icon {
    background: linear-gradient(180deg, #24a866 0%, #167449 100%);
}

.quick-practice-card.accent-divide.is-advanced {
    background: linear-gradient(180deg, rgba(247, 253, 250, 0.98) 0%, rgba(222, 245, 232, 0.96) 100%);
}

.quick-practice-card.accent-power {
    background: linear-gradient(180deg, rgba(255, 250, 251, 0.98) 0%, rgba(254, 238, 241, 0.95) 100%);
}

.quick-practice-card.accent-power .quick-practice-icon {
    background: linear-gradient(180deg, #d14d63 0%, #af354b 100%);
}

.tab-card:hover,
.tab-card:focus-visible {
    transform: translateY(-1px);
    border-color: var(--line-strong);
}

.tab-card.is-disabled {
    cursor: default;
    opacity: 0.78;
}

.tab-card.is-disabled:hover,
.tab-card.is-disabled:focus-visible {
    transform: none;
    border-color: rgba(214, 231, 251, 0.96);
}

.tab-card-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
}

.exam-card-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 7px;
}

@media (max-width: 479px) {
    .tab-card-head {
        display: grid;
        gap: 8px;
    }

    .exam-card-badges {
        justify-content: flex-start;
    }
}

.tab-card-title {
    margin: 0;
    color: var(--text);
    font-size: 1.02rem;
    line-height: 1.25;
}

.tab-card-copy {
    margin: 0;
    color: var(--text-soft);
    font-size: 0.9rem;
    line-height: 1.55;
}

.tab-badge,
.difficulty-pill,
.exam-code-badge {
    display: inline-flex;
    width: fit-content;
    align-items: center;
    justify-content: center;
    padding: 5px 9px;
    border-radius: var(--radius-pill);
    font-size: 0.72rem;
    font-weight: var(--font-weight-extrabold);
    white-space: nowrap;
}

.tab-badge {
    background: var(--success-soft);
    color: var(--success);
}

.exam-code-badge {
    background: var(--primary-soft);
    color: var(--primary-strong);
}

.tab-badge.is-muted {
    background: var(--neutral-accent-soft);
    color: var(--neutral-accent);
}

.difficulty-pill.easy {
    background: var(--success-soft);
    color: var(--success);
}

.difficulty-pill.medium {
    background: var(--warning-soft);
    color: var(--warning);
}

.difficulty-pill.hard {
    background: var(--danger-soft);
    color: var(--danger);
}

.tab-meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    color: var(--text-soft);
    font-size: 0.8rem;
    font-weight: var(--font-weight-bold);
}

.tab-meta-row span {
    padding: 5px 8px;
    border-radius: var(--radius-pill);
    background: rgba(238, 243, 248, 0.88);
}

.tab-section-title {
    margin: 22px 0 10px;
    color: var(--text);
    font-size: 1.08rem;
}

.empty-tab-state {
    padding: 18px;
    border: 1px dashed var(--line-strong);
    border-radius: 18px;
    color: var(--text-soft);
    text-align: center;
}

@media (min-width: 768px) {
    .header-content {
        grid-template-columns: minmax(0, 1fr) minmax(260px, 380px);
        align-items: stretch;
        padding: 28px;
    }

    .mentor-start-card,
    .hero-mission-card,
    .hero-actions,
    .hero-account-banner {
        order: initial;
    }

    .mentor-card {
        order: initial;
        min-height: 360px;
    }

    .mentor-bubble {
        top: 14px;
        bottom: auto;
        left: 14px;
        right: 14px;
        max-width: min(260px, calc(100% - 28px));
        padding: 10px 12px;
    }

    .mentor-bubble p {
        font-size: 0.95rem;
    }

    .mentor-image {
        width: min(88%, 340px);
        max-height: 390px;
    }

    .roadmap-card {
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: 12px;
        max-width: 980px;
    }

    .roadmap-card::before {
        left: 56px;
        right: 56px;
        top: 35px;
        bottom: auto;
        width: auto;
        height: 3px;
    }

    .roadmap-node {
        grid-template-columns: 1fr;
        align-content: start;
        min-height: 156px;
    }

    .leaderboard-card {
        padding: 18px;
    }

    .leaderboard-podium {
        gap: 12px;
    }

    .pillar-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .tab-shell {
        padding-top: 26px;
    }

    .tab-hero {
        padding: 28px;
    }

    .tab-toolbar {
        grid-template-columns: minmax(220px, 300px) minmax(240px, 360px) 1fr;
        align-items: center;
    }

    .tab-toolbar-head {
        align-self: center;
    }

    .tab-suggestion-row {
        grid-column: 1 / -1;
    }

    .quick-practice-grid {
        grid-template-columns: repeat(5, minmax(0, 1fr));
    }

    .quick-practice-card {
        grid-template-columns: 1fr;
        align-content: start;
        min-height: 188px;
        padding: 15px;
    }

    .quick-practice-icon {
        width: 70px;
        height: 70px;
    }

    .quick-symbol {
        font-size: 2.05rem;
    }

    .quick-practice-action {
        grid-column: auto;
        width: fit-content;
    }

    .tab-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 1080px) {
    .tab-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

.page-shortcuts {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 14px;
}

.page-shortcut {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 10px 14px;
    border: 1px solid rgba(214, 231, 251, 0.96);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.94);
    color: var(--text);
    font-size: 0.92rem;
    font-weight: var(--font-weight-bold);
    box-shadow: var(--shadow-soft);
    transition: transform var(--transition-base), border-color var(--transition-base), background-color var(--transition-base);
}

.page-shortcut:hover,
.page-shortcut:focus-visible {
    transform: translateY(-2px);
    border-color: var(--line-strong);
    background: rgba(246, 250, 255, 0.98);
}

.page-shortcut.is-primary {
    background: var(--primary-soft);
    color: var(--primary-strong);
}

body.exam-page .footer .container {
    padding: 14px 16px;
    border: 1px solid rgba(215, 230, 247, 0.9);
    border-radius: 18px;
    background: rgba(248, 251, 255, 0.82);
    box-shadow: none;
}

body.exam-page .footer-text {
    color: #60748f;
    font-size: 0.84rem;
    letter-spacing: 0.01em;
}

.loading {
    padding: 22px;
    text-align: center;
    color: var(--primary-strong);
    font-weight: var(--font-weight-bold);
}

@keyframes pageGlow {
    0%,
    100% {
        transform: translate3d(0, 0, 0) scale(1);
        opacity: 0.82;
    }

    50% {
        transform: translate3d(10px, -8px, 0) scale(1.04);
        opacity: 1;
    }
}

@keyframes floatCardArt {
    0%,
    100% {
        transform: translate3d(0, 0, 0);
    }

    50% {
        transform: translate3d(0, -6px, 0);
    }
}

@keyframes softFloat {
    0%,
    100% {
        transform: translate3d(0, 0, 0);
    }

    50% {
        transform: translate3d(0, -5px, 0);
    }
}

@keyframes heroMarquee {
    from {
        transform: translate3d(0, 0, 0);
    }

    to {
        transform: translate3d(-50%, 0, 0);
    }
}

@keyframes softDrift {
    0%,
    100% {
        transform: translate3d(0, 0, 0) scale(1);
    }

    50% {
        transform: translate3d(10px, -10px, 0) scale(1.04);
    }
}