:root {
    color-scheme: light dark;
    --font-display: Georgia, 'Times New Roman', serif;
    --font-body: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --canvas: #f5f3ee;
    --surface: #fcfbf8;
    --ink: #17241f;
    --muted: #65716b;
    --line: #d9dcd5;
    --accent: #185d48;
    --accent-strong: #0f4938;
    --accent-soft: #dcece5;
    --panel: #183d33;
    --panel-ink: #f1f4ec;
}

:root[data-theme='dark'] {
    --canvas: #141a17;
    --surface: #1a221e;
    --ink: #edf1eb;
    --muted: #aeb8b1;
    --line: #35413a;
    --accent: #8ac9ac;
    --accent-strong: #b0dec6;
    --accent-soft: #253d33;
    --panel: #c8dfd1;
    --panel-ink: #173b30;
}

@media (prefers-color-scheme: dark) {
    :root[data-theme='system'] {
        --canvas: #141a17;
        --surface: #1a221e;
        --ink: #edf1eb;
        --muted: #aeb8b1;
        --line: #35413a;
        --accent: #8ac9ac;
        --accent-strong: #b0dec6;
        --accent-soft: #253d33;
        --panel: #c8dfd1;
        --panel-ink: #173b30;
    }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--canvas); color: var(--ink); font-family: var(--font-body); font-size: 16px; line-height: 1.6; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.container { width: min(100% - 40px, 1160px); margin: 0 auto; }
.site-header { border-bottom: 1px solid var(--line); }
.site-header__inner { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.brand { font-family: var(--font-display); font-size: 1.4rem; font-weight: 700; letter-spacing: -0.05em; }
.brand span { color: var(--accent); }
.header-controls { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: 10px 14px; }
.header-link { color: var(--accent); font-size: .8rem; font-weight: 750; }
.header-link:hover { color: var(--accent-strong); }
.language-switcher { display: flex; align-items: center; gap: 6px; color: var(--muted); font-size: .75rem; font-weight: 700; letter-spacing: .08em; }
.language-switcher a { padding: 6px 0; }
.language-switcher a.is-active { color: var(--ink); }
.theme-toggle { display: inline-flex; align-items: center; gap: 7px; border: 1px solid var(--line); border-radius: 0; padding: 7px 9px; background: transparent; color: var(--ink); cursor: pointer; font-size: .75rem; font-weight: 600; }
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }
.theme-toggle:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
[data-theme-icon] { width: 14px; height: 14px; border: 1.5px solid currentColor; border-radius: 50%; }
.hero { padding: 76px 0 72px; }
.hero__layout { display: grid; gap: 48px; }
.hero__content { max-width: 720px; }
.eyebrow, .section-label { margin: 0 0 18px; color: var(--accent); font-size: .73rem; font-weight: 750; letter-spacing: .12em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 500; letter-spacing: -.045em; line-height: 1.05; }
h1 { max-width: 760px; margin-bottom: 24px; font-size: clamp(3rem, 11vw, 6.7rem); }
.hero__lead { max-width: 560px; margin-bottom: 32px; color: var(--muted); font-size: clamp(1rem, 2.5vw, 1.17rem); }
.hero__actions { display: flex; align-items: center; flex-wrap: wrap; gap: 20px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 18px; background: var(--accent); color: #fff; font-size: .88rem; font-weight: 700; }
.button:hover { background: var(--accent-strong); }
.text-link { display: inline-flex; gap: 9px; align-items: center; color: var(--accent); font-size: .88rem; font-weight: 700; }
.text-link:hover { color: var(--accent-strong); }
.hero__panel { align-self: end; background: var(--panel); color: var(--panel-ink); padding: 22px; }
.panel__topline, .panel__footer { display: flex; justify-content: space-between; gap: 18px; font-size: .73rem; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; }
.panel__status { display: flex; align-items: center; gap: 6px; }
.panel__status i { width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.panel__body { padding: 62px 0; }
.panel__body p { max-width: 250px; margin-bottom: 26px; font-family: var(--font-display); font-size: 1.55rem; letter-spacing: -.035em; line-height: 1.16; }
.panel__line { width: 100%; height: 1px; margin-top: 12px; background: color-mix(in srgb, var(--panel-ink) 45%, transparent); }
.panel__line--short { width: 61%; }
.panel__footer { padding-top: 15px; border-top: 1px solid color-mix(in srgb, var(--panel-ink) 35%, transparent); color: color-mix(in srgb, var(--panel-ink) 78%, transparent); }
.section { padding: 72px 0; border-top: 1px solid var(--line); }
.intro__layout { display: grid; gap: 26px; }
.intro h2, .section-heading h2 { max-width: 730px; margin-bottom: 18px; font-size: clamp(2.1rem, 6vw, 4rem); }
.intro p:not(.section-label) { max-width: 710px; margin-bottom: 0; color: var(--muted); font-size: 1.05rem; }
.section-heading { margin-bottom: 38px; }
.principles__grid { border-top: 1px solid var(--line); }
.principle { padding: 25px 0 30px; border-bottom: 1px solid var(--line); }
.principle > span { display: block; margin-bottom: 44px; color: var(--accent); font-size: .73rem; font-weight: 750; letter-spacing: .08em; }
.principle h3 { margin-bottom: 12px; font-size: 1.8rem; }
.principle p { max-width: 330px; margin-bottom: 0; color: var(--muted); font-size: .94rem; }
.site-footer { padding: 25px 0; border-top: 1px solid var(--line); }
.site-footer__inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; color: var(--muted); font-size: .8rem; }
.site-footer p { margin: 0; }
.site-footer a { color: var(--ink); font-weight: 700; }
.auth-page { display: grid; min-height: calc(100vh - 156px); padding: 52px 20px; place-items: center; }
.auth-card { width: min(100%, 470px); padding: 28px 0; }
.auth-card h1 { margin-bottom: 15px; font-size: clamp(2.75rem, 12vw, 4.5rem); }
.auth-card__lead { margin-bottom: 31px; color: var(--muted); }
.auth-form { display: grid; gap: 20px; }
.form-field { display: grid; gap: 7px; }
.form-field label { font-size: .86rem; font-weight: 750; }
.form-field input { width: 100%; min-height: 47px; border: 1px solid var(--line); border-radius: 0; padding: 10px 12px; background: var(--surface); color: var(--ink); font: inherit; }
.form-field input:focus { border-color: var(--accent); outline: 2px solid color-mix(in srgb, var(--accent) 25%, transparent); outline-offset: 1px; }
.field-help, .field-error { margin: 0; font-size: .8rem; }
.field-help { color: var(--muted); }
.field-error { color: #af3831; }
.button--full { width: 100%; margin-top: 4px; border: 0; cursor: pointer; }
.alert { margin: 0 0 22px; padding: 12px 14px; border-left: 3px solid; font-size: .88rem; }
.alert--error { border-color: #b5443c; background: color-mix(in srgb, #b5443c 10%, var(--surface)); color: var(--ink); }
.alert--success { border-color: var(--accent); background: var(--accent-soft); color: var(--ink); }
.auth-card__switch { margin: 26px 0 0; color: var(--muted); font-size: .9rem; }
.auth-card__switch a { color: var(--accent); font-weight: 750; }
.empty-dashboard { display: grid; min-height: calc(100vh - 156px); align-items: center; }
.empty-dashboard__content { max-width: 760px; padding: 72px 0; }
.empty-dashboard h1 { margin-bottom: 20px; font-size: clamp(3rem, 10vw, 6rem); }
.empty-dashboard__content > p:not(.eyebrow) { max-width: 550px; color: var(--muted); font-size: 1.06rem; }
.dashboard-links { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 30px; }
.dashboard-links a { color: var(--accent); font-weight: 750; }
.account-page { padding: 52px 0 72px; }
.account-layout { display: grid; gap: 44px; }
.account-intro { max-width: 520px; }
.account-intro h1 { margin-bottom: 17px; font-size: clamp(2.7rem, 10vw, 5.4rem); }
.account-intro > p:not(.eyebrow) { color: var(--muted); }
.account-card { max-width: 560px; }
.profile-photo-field { display: grid; grid-template-columns: 76px minmax(0, 1fr); gap: 18px; align-items: center; }
.profile-photo-field > img, .profile-photo-field > span { width: 76px; height: 76px; border: 1px solid var(--line); object-fit: cover; }
.profile-photo-field > span { display: grid; place-items: center; background: var(--accent-soft); color: var(--accent); font-family: var(--font-display); font-size: 2rem; }
.form-field textarea { width: 100%; resize: vertical; border: 1px solid var(--line); border-radius: 0; padding: 10px 12px; background: var(--surface); color: var(--ink); font: inherit; }
.form-field textarea:focus { border-color: var(--accent); outline: 2px solid color-mix(in srgb, var(--accent) 25%, transparent); outline-offset: 1px; }
.form-field input:disabled { cursor: not-allowed; color: var(--muted); opacity: 1; }
.settings-group { display: grid; gap: 11px; margin: 0; padding: 0 0 22px; border: 0; border-bottom: 1px solid var(--line); }
.settings-group legend { margin-bottom: 7px; font-size: .95rem; font-weight: 750; }
.choice { display: flex; gap: 9px; align-items: center; cursor: pointer; font-size: .92rem; }
.choice input { width: 16px; height: 16px; accent-color: var(--accent); }
.management-page, .course-page { padding: 52px 0 72px; }
.management-layout { display: grid; gap: 44px; }
.management-intro { max-width: 540px; }
.management-intro h1, .course-page h1 { margin-bottom: 17px; font-size: clamp(2.7rem, 10vw, 5.4rem); }
.management-intro > p:not(.eyebrow) { color: var(--muted); }
.management-intro .text-link { margin-top: 24px; }
.management-content { min-width: 0; }
.item-list { border-top: 1px solid var(--line); }
.list-item { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; padding: 21px 0; border-bottom: 1px solid var(--line); }
.list-item h2 { margin-bottom: 6px; font-size: clamp(1.5rem, 5vw, 2rem); }
.list-item h2 a:hover { color: var(--accent); }
.list-item p { margin: 0; color: var(--muted); font-size: .86rem; }
.list-item .list-item__meta { margin-bottom: 8px; color: var(--accent); font-size: .72rem; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }
.list-item__actions { display: flex; align-items: center; flex-wrap: wrap; justify-content: flex-end; gap: 11px; padding-top: 4px; }
.list-item__actions a, .list-item__actions button { border: 0; padding: 0; background: transparent; color: var(--accent); cursor: pointer; font: inherit; font-size: .8rem; font-weight: 750; }
.list-item__actions button { color: #af3831; }
.editor { margin-top: 54px; padding-top: 26px; border-top: 2px solid var(--ink); }
.editor h2 { margin-bottom: 25px; font-size: 2rem; }
.empty-state { padding: 34px 0; }
.empty-state h2 { margin-bottom: 9px; font-size: 1.75rem; }
.empty-state p { max-width: 440px; margin: 0; color: var(--muted); }
.form-row { display: grid; gap: 20px; }
.form-field select, .filter-form select { width: 100%; min-height: 47px; border: 1px solid var(--line); border-radius: 0; padding: 10px 12px; background: var(--surface); color: var(--ink); font: inherit; }
.filter-form { display: grid; width: min(100%, 330px); gap: 7px; margin: 0 0 27px; }
.filter-form label { font-size: .86rem; font-weight: 750; }
.course-page__content { max-width: 870px; }
.course-details { display: grid; margin: 37px 0 47px; border-top: 1px solid var(--line); }
.course-details > div { display: grid; gap: 4px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.course-details span { color: var(--muted); font-size: .74rem; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }
.course-details strong { font-size: 1rem; }
.course-empty { border-top: 2px solid var(--ink); }
.timetable { display: grid; gap: 24px; margin-bottom: 53px; }
.timetable__day { padding-top: 14px; border-top: 1px solid var(--line); }
.timetable__day h2 { margin-bottom: 12px; font-size: 1.5rem; }
.timetable__empty { margin: 0; color: var(--muted); font-size: .85rem; }
.schedule-block { margin-top: 10px; padding: 13px; border-left: 3px solid var(--schedule-color); background: var(--surface); }
.schedule-block p, .schedule-block span { display: block; margin: 0; color: var(--muted); font-size: .78rem; }
.schedule-block h3 { margin: 3px 0; font-family: var(--font-body); font-size: .95rem; letter-spacing: 0; }
.schedule-block__actions { display: flex; gap: 12px; margin-top: 9px; }
.schedule-block__actions a, .schedule-block__actions button, .editor-delete button { border: 0; padding: 0; background: transparent; color: var(--accent); cursor: pointer; font: inherit; font-size: .77rem; font-weight: 750; }
.schedule-block__actions button, .editor-delete button { color: #af3831; }
.calendar { margin-bottom: 54px; }
.calendar__heading { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 16px; }
.calendar__heading h2 { margin: 0; font-size: clamp(1.35rem, 5vw, 2rem); }
.calendar__heading a { display: grid; width: 36px; height: 36px; border: 1px solid var(--line); place-items: center; color: var(--accent); font-weight: 750; }
.calendar__weekdays, .calendar__grid { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); }
.calendar__weekdays { border-top: 1px solid var(--line); }
.calendar__weekdays span { overflow: hidden; padding: 9px 2px; color: var(--muted); font-size: .62rem; font-weight: 750; letter-spacing: .04em; text-align: center; text-overflow: clip; text-transform: uppercase; white-space: nowrap; }
.calendar-day { min-height: 86px; overflow: hidden; padding: 5px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--surface); }
.calendar-day:nth-child(7n) { border-right: 0; }
.calendar-day.is-outside { background: transparent; opacity: .45; }
.calendar-day__number { display: block; margin-bottom: 4px; font-size: .72rem; font-weight: 750; }
.calendar-event { display: block; overflow: hidden; margin-top: 3px; padding: 2px 4px; border-left: 2px solid var(--event-color); background: color-mix(in srgb, var(--event-color) 12%, var(--surface)); font-size: .64rem; line-height: 1.3; }
.calendar-event span, .calendar-event small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.calendar-event small { color: var(--muted); font-size: .6rem; }
.editor-delete { margin-top: 18px; }
.task-filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.task-filters a { border: 1px solid var(--line); padding: 7px 10px; color: var(--muted); font-size: .78rem; font-weight: 750; }
.task-filters a:hover, .task-filters a.is-active { border-color: var(--accent); background: var(--accent); color: #fff; }
.task-item { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; padding: 21px 0; border-bottom: 1px solid var(--line); }
.task-item.is-completed h2 { color: var(--muted); text-decoration: line-through; text-decoration-thickness: 1px; }
.task-item__main { min-width: 0; }
.task-item__meta { display: flex; flex-wrap: wrap; gap: 7px 12px; margin-bottom: 8px; color: var(--muted); font-size: .75rem; }
.priority { color: var(--ink); font-weight: 750; }
.priority--high { color: #af3831; }
.priority--medium { color: #9d5d2f; }
.priority--low { color: var(--accent); }
.task-item h2 { margin-bottom: 6px; font-size: clamp(1.35rem, 5vw, 1.8rem); }
.task-item p { max-width: 550px; margin: 0; color: var(--muted); font-size: .88rem; white-space: pre-line; }
.task-item__actions { display: flex; align-items: center; flex-wrap: wrap; justify-content: flex-end; gap: 10px; padding-top: 3px; }
.task-item__actions a, .task-item__actions button { border: 0; padding: 0; background: transparent; color: var(--accent); cursor: pointer; font: inherit; font-size: .8rem; font-weight: 750; }
.task-item__actions form:last-child button { color: #af3831; }
.task-toggle { display: grid; width: 21px; height: 21px; border: 1px solid var(--accent) !important; place-items: center; color: var(--accent) !important; font-size: .7rem !important; }
.is-completed .task-toggle { background: var(--accent) !important; color: #fff !important; }
.note-search { display: grid; gap: 10px; margin-bottom: 28px; }
.note-search label { font-size: .86rem; font-weight: 750; }
.note-search input, .note-search select { min-height: 44px; border: 1px solid var(--line); border-radius: 0; padding: 9px 11px; background: var(--surface); color: var(--ink); font: inherit; }
.note-search button { min-height: 44px; border: 1px solid var(--accent); background: var(--accent); color: #fff; cursor: pointer; font: inherit; font-size: .85rem; font-weight: 750; }
.note-grid { display: grid; gap: 15px; }
.note-card { display: flex; min-height: 218px; flex-direction: column; padding: 19px; border: 1px solid var(--line); background: var(--surface); }
.note-card.is-pinned { border-top: 3px solid var(--accent); }
.note-card__meta { display: flex; flex-wrap: wrap; gap: 7px; min-height: 21px; color: var(--accent); font-size: .7rem; font-weight: 750; letter-spacing: .05em; text-transform: uppercase; }
.note-card h2 { margin: 10px 0 8px; font-size: 1.55rem; }
.note-card > p { display: -webkit-box; overflow: hidden; margin: 0; color: var(--muted); font-size: .87rem; line-height: 1.55; -webkit-box-orient: vertical; -webkit-line-clamp: 4; white-space: pre-line; }
.note-card footer { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px; margin-top: auto; padding-top: 18px; color: var(--muted); font-size: .75rem; }
.note-card footer > div { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 9px; }
.note-card footer a, .note-card footer button { border: 0; padding: 0; background: transparent; color: var(--accent); cursor: pointer; font: inherit; font-size: .75rem; font-weight: 750; }
.note-card footer form:last-child button { color: #af3831; }
.gpa-overview { margin-bottom: 34px; padding: 24px; border: 1px solid var(--line); background: var(--surface); }
.gpa-overview span { display: block; color: var(--muted); font-size: .78rem; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }
.gpa-overview strong { display: block; margin: 5px 0; font-family: var(--font-display); font-size: clamp(3rem, 12vw, 5rem); font-weight: 500; letter-spacing: -.05em; line-height: 1; }
.gpa-overview p { max-width: 370px; margin: 0; color: var(--muted); font-size: .85rem; }
.gpa-history { border-top: 1px solid var(--line); }
.gpa-semester { padding: 24px 0; border-bottom: 1px solid var(--line); }
.gpa-semester header { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; }
.gpa-semester h2 { margin: 3px 0 0; font-size: 1.7rem; }
.gpa-semester header > strong { color: var(--accent); font-family: var(--font-display); font-size: 2rem; font-weight: 500; }
.gpa-semester__meta { margin: 12px 0 18px; color: var(--muted); font-size: .82rem; }
.gpa-course-list { border-top: 1px solid var(--line); }
.gpa-course-list > div { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: .84rem; }
.gpa-course-list > div > span:nth-child(2) { color: var(--muted); }
.gpa-course-list strong { color: var(--accent); }
.exam-countdown { margin-top: 8px !important; color: var(--accent) !important; font-weight: 750; }
.study-plan-list { display: grid; gap: 18px; }
.study-plan { padding: 20px; border: 1px solid var(--line); background: var(--surface); }
.study-plan header { display: flex; justify-content: space-between; gap: 18px; }
.study-plan h2 { margin: 4px 0 0; font-size: 1.65rem; }
.study-plan header > strong { color: var(--accent); font-family: var(--font-display); font-size: 2rem; font-weight: 500; }
.study-plan > p { color: var(--muted); font-size: .87rem; }
.progress-bar { height: 6px; overflow: hidden; background: var(--line); }
.progress-bar i { display: block; height: 100%; background: var(--accent); }
.topic-list { display: grid; gap: 8px; margin: 18px 0; }
.topic-done { color: var(--muted); text-decoration: line-through; }
.topic-add { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; }
.topic-add input { min-height: 38px; border: 1px solid var(--line); padding: 8px; background: var(--surface); color: var(--ink); font: inherit; }
.topic-add button { border: 0; padding: 0 13px; background: var(--accent); color: #fff; cursor: pointer; font: inherit; font-size: .8rem; font-weight: 750; }
.study-plan .list-item__actions { margin-top: 18px; }
.focus-timer { padding: 30px; border: 1px solid var(--line); background: var(--surface); text-align: center; }
.focus-timer__mode { margin-bottom: 8px; color: var(--accent); font-size: .8rem; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }
.focus-timer > strong { display: block; font-family: var(--font-display); font-size: clamp(4rem, 20vw, 7rem); font-weight: 500; letter-spacing: -.06em; line-height: 1; }
.focus-presets, .focus-timer__actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.focus-presets button, .focus-presets input, .focus-timer__actions button { min-height: 39px; border: 1px solid var(--line); padding: 8px 12px; background: transparent; color: var(--ink); font: inherit; cursor: pointer; }
.focus-presets input { width: 90px; cursor: text; }
.focus-timer__actions button:first-child { border-color: var(--accent); background: var(--accent); color: #fff; }
.habit-list { border-top: 1px solid var(--line); }
.habit-item { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 15px; padding: 17px 0; border-bottom: 1px solid var(--line); }
.habit-item h2 { margin: 0; font-size: 1.2rem; }
.habit-item p { margin: 2px 0 0; color: var(--muted); font-size: .8rem; }
.habit-item > form:last-child button { border: 0; padding: 0; background: transparent; color: #af3831; cursor: pointer; font: inherit; font-size: .8rem; font-weight: 750; }
.finance-summary { display: grid; gap: 1px; margin-bottom: 32px; background: var(--line); }
.finance-summary > div { padding: 17px; background: var(--surface); }
.finance-summary span { display: block; color: var(--muted); font-size: .74rem; font-weight: 750; letter-spacing: .07em; text-transform: uppercase; }
.finance-summary strong { display: block; margin-top: 5px; font-family: var(--font-display); font-size: 1.75rem; font-weight: 500; }
.finance-breakdown { margin-bottom: 32px; padding-top: 20px; border-top: 1px solid var(--line); }
.finance-breakdown h2 { margin-bottom: 16px; font-size: 1.5rem; }
.finance-breakdown > div { display: grid; grid-template-columns: 110px minmax(0, 1fr) auto; align-items: center; gap: 10px; margin: 10px 0; font-size: .8rem; }
.finance-breakdown i { height: 7px; overflow: hidden; background: var(--line); }
.finance-breakdown b { display: block; height: 100%; background: var(--accent); }
@media (min-width: 560px) { .finance-summary { grid-template-columns: repeat(3, 1fr); } }
.my-dashboard { padding: 52px 0 72px; }
.dashboard-intro { max-width: 640px; margin-bottom: 40px; }
.dashboard-intro h1 { margin-bottom: 15px; font-size: clamp(2.6rem, 9vw, 4.6rem); }
.dashboard-intro > p:not(.eyebrow) { color: var(--muted); }
.dashboard-grid { display: grid; gap: 1px; margin-bottom: 44px; background: var(--line); }
.dashboard-card { display: flex; flex-direction: column; gap: 12px; padding: 20px; background: var(--surface); }
.dashboard-card h2 { margin: 0; font-size: 1.05rem; }
.dashboard-card__empty { margin: 0; color: var(--muted); font-size: .85rem; }
.dashboard-card__stat { margin: 0; font-family: var(--font-display); font-size: 2.1rem; font-weight: 500; }
.dashboard-card__meta { margin: -6px 0 0; color: var(--muted); font-size: .78rem; }
.dashboard-list { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; }
.dashboard-list li { display: flex; gap: 10px; font-size: .85rem; }
.dashboard-list__time { flex-shrink: 0; color: var(--accent); font-weight: 750; }
.dashboard-card .text-link { margin-top: auto; font-size: .78rem; }
.stats-section { padding: 22px 0; border-bottom: 1px solid var(--line); }
.stats-section h2 { margin-bottom: 16px; font-size: 1.4rem; }
.stats-row { display: grid; gap: 1px; background: var(--line); }
.stats-row > div { padding: 15px; background: var(--surface); }
.stats-row span { display: block; color: var(--muted); font-size: .74rem; font-weight: 750; letter-spacing: .06em; text-transform: uppercase; }
.stats-row strong { display: block; margin-top: 4px; font-family: var(--font-display); font-size: 1.6rem; font-weight: 500; }
@media (min-width: 560px) { .stats-row { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 760px) { .dashboard-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1080px) { .dashboard-grid { grid-template-columns: repeat(3, 1fr); } }
.search-group { margin-bottom: 34px; }
.search-group h2 { margin-bottom: 6px; font-size: 1.35rem; }
.search-group h3 { margin: 0; font-size: 1.15rem; }
.search-group h3 a:hover { color: var(--accent); }
.notification-actions { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-bottom: 24px; padding: 13px 15px; border-left: 3px solid var(--accent); background: var(--accent-soft); }
.notification-actions p { margin: 0; font-size: .85rem; font-weight: 750; }
.notification-actions button { border: 0; padding: 0; background: transparent; color: var(--accent); cursor: pointer; font: inherit; font-size: .82rem; font-weight: 750; }
.list-item.is-unread { border-left: 3px solid var(--accent); padding-left: 13px; }
.list-item.is-unread .list-item__actions button { border: 0; padding: 0; background: transparent; color: var(--accent); cursor: pointer; font: inherit; font-size: .8rem; font-weight: 750; }
.pagination { display: flex; align-items: center; justify-content: center; gap: 16px; margin-top: 26px; font-size: .85rem; }
.pagination a { color: var(--accent); font-weight: 750; }
.pagination span { color: var(--muted); }

@media (min-width: 760px) {
    .container { width: min(100% - 72px, 1160px); }
    .hero { min-height: 620px; padding: 96px 0 64px; display: grid; align-items: center; }
    .hero__layout { grid-template-columns: minmax(0, 1fr) 300px; align-items: end; gap: 70px; }
    .intro__layout { grid-template-columns: 180px minmax(0, 1fr); gap: 40px; }
    .principles__grid { display: grid; grid-template-columns: repeat(3, 1fr); }
    .principle { min-height: 290px; padding: 28px 26px 26px; border-right: 1px solid var(--line); }
    .principle:first-child { padding-left: 0; }
    .principle:last-child { border-right: 0; }
    .account-layout { grid-template-columns: minmax(0, .9fr) minmax(400px, 1.1fr); gap: 80px; }
    .management-layout { grid-template-columns: minmax(260px, .8fr) minmax(0, 1.2fr); gap: 80px; }
    .form-row { grid-template-columns: repeat(2, 1fr); }
    .course-details { grid-template-columns: repeat(2, 1fr); }
    .course-details > div:nth-child(odd) { padding-right: 28px; border-right: 1px solid var(--line); }
    .course-details > div:nth-child(even) { padding-left: 28px; }
    .timetable { grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--line); }
    .timetable__day { min-height: 220px; padding: 17px 14px; border-top: 0; border-right: 1px solid var(--line); }
    .timetable__day:nth-child(5) { border-right: 0; }
    .timetable__day:nth-child(n+6) { border-top: 1px solid var(--line); }
    .timetable__day h2 { font-size: 1.1rem; }
    .calendar-day { min-height: 112px; padding: 7px; }
    .calendar__weekdays span { padding: 10px 4px; font-size: .7rem; }
    .calendar-event { font-size: .7rem; }
    .note-search { grid-template-columns: minmax(0, 1fr) 180px auto; align-items: end; }
    .note-search label { grid-column: 1 / -1; }
    .note-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 380px) {
    .container { width: min(100% - 28px, 1160px); }
    .site-header__inner { align-items: flex-start; padding: 14px 0; }
    .header-controls { max-width: 200px; gap: 7px 10px; }
    .theme-toggle__text { display: none; }
    .hero { padding-top: 58px; }
}

/* ---- Main navigation (desktop / tablet) ---- */
.main-nav { display: none; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--surface); }
.main-nav__inner { display: flex; flex-wrap: wrap; gap: 26px; padding: 12px 0; }
.main-nav__home { font-weight: 750; color: var(--ink); }
.main-nav__group { display: flex; gap: 12px; align-items: center; }
.main-nav__label { color: var(--muted); font-size: .72rem; font-weight: 750; letter-spacing: .06em; text-transform: uppercase; }
.main-nav__links { display: flex; gap: 14px; flex-wrap: wrap; }
.main-nav a { font-size: .84rem; font-weight: 600; color: var(--muted); }
.main-nav a:hover { color: var(--ink); }
.main-nav a.is-active { color: var(--accent); }

@media (min-width: 760px) {
    .main-nav { display: block; }
    .bottom-nav { display: none; }
}

/* ---- Bottom navigation (mobile) ---- */
.bottom-nav { position: fixed; left: 0; right: 0; bottom: 0; z-index: 40; display: flex; border-top: 1px solid var(--line); background: var(--surface); }
.bottom-nav a, .bottom-nav button { display: flex; flex: 1; flex-direction: column; align-items: center; gap: 3px; padding: 8px 4px 10px; border: 0; background: transparent; color: var(--muted); font: inherit; font-size: .68rem; cursor: pointer; text-decoration: none; }
.bottom-nav a.is-active { color: var(--accent); }
.bottom-nav a > span:first-child, .bottom-nav button > span:first-child { font-size: 1.15rem; line-height: 1; }

/* Reserve space so the bottom nav never covers page content. */
body { padding-bottom: 58px; }
@media (min-width: 760px) { body { padding-bottom: 0; } }

/* ---- Navigation drawer (mobile) ---- */
.nav-drawer { position: fixed; inset: 0; z-index: 60; }
.nav-drawer__backdrop { position: absolute; inset: 0; background: rgba(0, 0, 0, .45); }
.nav-drawer__panel { position: absolute; top: 0; left: 0; bottom: 0; width: min(86vw, 320px); display: flex; flex-direction: column; background: var(--canvas); box-shadow: 0 0 30px rgba(0, 0, 0, .18); }
.nav-drawer__head { display: flex; align-items: center; justify-content: space-between; padding: 16px 18px; border-bottom: 1px solid var(--line); }
.nav-drawer__head button { border: 0; background: transparent; color: var(--ink); font-size: 1.6rem; cursor: pointer; line-height: 1; }
.nav-drawer__body { display: flex; flex-direction: column; overflow-y: auto; padding: 14px 18px 26px; }
.nav-drawer__body a { padding: 10px 0; border-bottom: 1px solid var(--line); color: var(--ink); font-weight: 600; }
.nav-drawer__body a.is-active { color: var(--accent); }
.nav-drawer__label { margin: 20px 0 6px; color: var(--muted); font-size: .72rem; font-weight: 750; letter-spacing: .06em; text-transform: uppercase; }