:root {
    --layout-width: 1320px;
    --paper: #F7F2E7;
    --paper-cell: #FFFDF8;
    --paper-line: #DED4BC;
    --ink: #241F18;
    --ink-soft: #1e453e;
    --indigo: #2B3A67;
    --indigo-deep: #1C2747;
    --vermilion: #BD4327;
    --vermilion-soft: rgba(189, 67, 39, .10);
    --shadow: 0 2px 10px rgba(36, 31, 24, .06);
    --radius: 6px;
}

body.dark {
    --paper: #010a17;
    --paper-cell: #08101b;
    --paper-line: #1d2434;
    --ink: #EDE7DA;
    --ink-soft: #948C7C;
    --indigo: #0d192e;
    --indigo-deep: #23293a;
    --vermilion: #E37A52;
    --vermilion-soft: rgba(227, 122, 82, .14);
    --shadow: 0 2px 14px rgba(0, 0, 0, .35);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Zen Kaku Gothic New', sans-serif;
    background-color: var(--paper);
    color: var(--ink);
    padding: 0 20px 60px;
    transition: background-color .35s ease, color .35s ease;
    background-size: 34px 34px;
    background-position: center top;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-color: var(--paper);
    opacity: .55;
    z-index: -1;
    transition: background-color .35s ease;
}

.grid {
    max-width: var(--layout-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 5px;
}

/* Shared header */
.page-head {
    max-width: var(--layout-width);
    margin: 0 auto 20px;
    gap: 20px;
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--paper);
    padding: 25px 0;
    box-shadow: 0 1px 0 var(--paper-line);
    display: flex;
    align-items: center;
}

.kanji-mark {
    font-family: 'Shippori Mincho', serif;
    font-size: 35px;
    font-weight: 800;
    color: var(--vermilion);
    line-height: 1;
    flex-shrink: 0;
}

h1 {
    font-family: 'Shippori Mincho', serif;
    font-weight: 700;
    font-size: 30px;
    letter-spacing: .02em;
}

.subtitle {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12.5px;
    color: var(--ink-soft);
    letter-spacing: .03em;
}

.logo {
    display: flex;
    gap: 15px;
    align-items: center;
    text-decoration: none;
    color: inherit;
}

.logo h1 {
    color: var(--ink);
    font-size: 15px;
    text-transform: uppercase;
    line-height: 1.2em;
}

.nav {
    margin-left: auto;
}

.main-nav {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: flex-end;
    align-items: center;
    font-size: 13px !important;
}

.main-nav a {
    display: inline-flex;
    align-items: center;
    padding: 6px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    text-decoration: none;
    color: var(--ink);
    /* background: var(--paper-cell);
    border: 1px solid var(--paper-line);
    border-radius: 6px; */
    transition: color .2s ease, border-color .2s ease, background-color .2s ease;
}

.main-nav a:hover {
    color: var(--vermilion);
    border-color: var(--vermilion);
}

.main-nav a.active {
    color: #fff;
    background: var(--vermilion);
    border-color: var(--vermilion);
}

.nav-group {
    position: relative;
}

.nav-group > summary {
    display: inline-flex;
    align-items: center;
    padding: 6px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    color: var(--ink);
    cursor: pointer;
    list-style: none;
    white-space: nowrap;
    transition: color .2s ease, background-color .2s ease;
}

.nav-group > summary::-webkit-details-marker {
    display: none;
}

.nav-group > summary::after {
    content: '+';
    margin-left: 5px;
    font-size: 11px;
    transition: transform .2s ease;
}

.nav-group[open] > summary::after {
    content: '−';
}

.nav-group > summary:hover {
    color: var(--vermilion);
}

.nav-submenu {
    position: absolute;
    top: calc(100% + 5px);
    left: 0;
    z-index: 10001;
    min-width: 235px;
    padding: 6px;
    display: flex;
    flex-direction: column;
    gap: 2px;
    background: var(--paper-cell);
    border: 1px solid var(--paper-line);
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.nav-submenu a {
    width: 100%;
    padding: 9px 10px;
    border-radius: 5px;
    white-space: nowrap;
}

.nav-submenu a:hover {
    background: var(--vermilion-soft);
}

.mobile-menu-toggle {
    display: none;
}

/* Shared controls / filters */
.toolbar {
    max-width: var(--layout-width);
    margin: 0 auto 25px;
    background: var(--paper-cell);
    border: 1px solid var(--paper-line);
    border-radius: 10px;
    box-shadow: var(--shadow);
    padding: 14px 18px;
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 14px;
    position: relative;
    transition: background-color .35s ease, border-color .35s ease;
}

.field label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--ink-soft);
}

select {
    font-family: 'Zen Kaku Gothic New', sans-serif;
    font-size: 14px;
    padding: 9px 34px 9px 12px;
    border: 1px solid var(--paper-line);
    border-radius: 6px;
    background: var(--paper-cell);
    color: var(--ink);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6'><path d='M0 0l5 6 5-6z' fill='%237A705E'/></svg>");
    background-repeat: no-repeat;
    background-position: right 12px center;
    transition: border-color .2s ease;
}

select:hover { border-color: var(--vermilion); }
select:focus-visible { outline: 2px solid var(--vermilion); outline-offset: 2px; }

.multiselect-btn {
    font-family: 'Zen Kaku Gothic New', sans-serif;
    font-size: 14px;
    padding: 9px 34px 9px 12px;
    border: 1px solid var(--paper-line);
    border-radius: 6px;
    background: var(--paper-cell);
    color: var(--ink);
    cursor: pointer;
    min-width: 140px;
    text-align: left;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    position: relative;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6'><path d='M0 0l5 6 5-6z' fill='%237A705E'/></svg>");
    background-repeat: no-repeat;
    background-position: right 12px center;
    transition: border-color .2s ease;
    justify-content: left;
}

.multiselect-btn:hover { border-color: var(--vermilion); }
.multiselect-btn:focus-visible { outline: 2px solid var(--vermilion); outline-offset: 2px; }

.multiselect-panel {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    background: var(--paper-cell);
    border: 1px solid var(--paper-line);
    border-radius: 8px;
    box-shadow: var(--shadow);
    padding: 8px;
    display: none;
    flex-direction: column;
    gap: 2px;
    z-index: 30;
    min-width: 210px;
    max-height: 260px;
    overflow-y: auto;
}

.multiselect-panel.open { display: flex; width: 100%; }
.multiselect-panel label { display: flex; align-items: center; gap: 9px; font-family: 'Zen Kaku Gothic New', sans-serif; font-size: 13.5px; padding: 7px 8px; border-radius: 5px; cursor: pointer; transition: background-color .15s ease; }
.multiselect-panel label:hover { background: var(--vermilion-soft); }
.multiselect-panel input[type='checkbox'] { accent-color: var(--vermilion); width: 15px; height: 15px; cursor: pointer; flex-shrink: 0; }

.nav-btn,
button {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    padding: 8px 15px;
    border: 1px solid var(--paper-line);
    border-radius: 6px;
    background: transparent;
    color: var(--ink);
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: border-color .2s ease, color .2s ease;
    justify-content: center;
}

.count-display { text-align: right; font-family: 'JetBrains Mono', monospace; font-size: 13px; color: var(--ink-soft); letter-spacing: .04em; }

/* Front / back control */
.abacus { display: flex; align-items: center; gap: 10px; cursor: pointer; user-select: none; padding: 10px 14px; border: 1px solid var(--paper-line); border-radius: 6px; background: var(--paper-cell); transition: border-color .2s ease; }
.abacus:hover { border-color: var(--vermilion); }
.abacus:focus-visible { outline: 2px solid var(--vermilion); outline-offset: 2px; }
.abacus-label { font-family: 'JetBrains Mono', monospace; font-size: 11.5px; color: var(--ink-soft); transition: color .2s ease, font-weight .2s ease; }
.abacus-label.active { color: var(--vermilion); font-weight: 600; }
.rod { position: relative; width: 52px; height: 3px; background: var(--ink-soft); border-radius: 2px; }
.bead { position: absolute; top: 50%; left: 0; width: 20px; height: 20px; border-radius: 50%; background: var(--vermilion); box-shadow: 0 1px 4px rgba(0, 0, 0, .25); transform: translate(0, -50%); transition: transform .28s cubic-bezier(.5, -0.3, .5, 1.3); }
.abacus.right .bead { transform: translate(32px, -50%); }
.direction-filter-field .abacus { min-width: 154px; justify-content: center; }

/* Mobile bottom controls are created on every page by JS, but must be hidden by default. */
.mobile-bottom-controls { display: none; }

@media (prefers-reduced-motion: reduce) { .bead { transition: none; } }

/* Mobile CSS - max 520px */
@media (max-width: 520px) {

        .kanji-clue-text{
            padding: 40px 0 0 0;
        }
    .field
{
    display: none !important;
}

.filter-field{
    display: block !important;
}
    .logic h2{
    font-size: 15px;
}
    body { padding: 8px 12px 70px; overscroll-behavior-y: none; }
    .page-head { display: flex; align-items: center; justify-content: space-between; position: sticky; top: 0; margin-bottom: 10px; padding: 5px 0 10px 10px; }
    .logo { align-items: center; gap: 10px; }
    .kanji-mark { font-size: 35px !important; }
    h1, .logo h1 { font-size: 15px !important; margin-top: 0; }
    .mobile-menu-toggle { display: flex; width: 42px; height: 42px; padding: 8px; flex-direction: column; justify-content: center; align-items: center; gap: 5px; border: 1px solid var(--paper-line); border-radius: 7px; background: var(--paper-cell); color: var(--ink); cursor: pointer; flex-shrink: 0; }
    .mobile-menu-toggle span { display: block; width: 20px; height: 2px; border-radius: 2px; background: var(--ink); transition: transform .2s ease, opacity .2s ease; }
    .mobile-menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .mobile-menu-toggle.open span:nth-child(2) { opacity: 0; }
    .mobile-menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
    .nav { margin-left: 0; display: none; position: absolute; top: calc(100% + 10px); left: 0; right: 0; z-index: 100; background: var(--paper-cell); border: 1px solid var(--paper-line); border-radius: 10px; box-shadow: var(--shadow); padding: 12px; max-height: 78vh; max-height: 78dvh; overflow-y: auto; overflow-x: hidden; -webkit-overflow-scrolling: touch; overscroll-behavior: contain; }
    body.mobile-menu-open .nav { display: block; }
    .main-nav { margin-top: 0; display: grid; grid-template-columns: repeat(1, minmax(0, 1fr)); gap: 5px; }
    .main-nav > a, .main-nav > button, .main-nav > .nav-group { width: 100%; min-height: 42px; }
    .main-nav > a, .main-nav > button { justify-content: center; }
    .main-nav > .nav-group > summary { width: 100%; min-height: 42px; justify-content: center; text-align: center; }
    .nav-group { display: block; }
    .nav-submenu { position: static; min-width: 0; width: 100%; margin-top: 3px; padding: 4px; box-shadow: none; }
    .nav-submenu a { justify-content: center; min-height: 40px; }
    .main-nav .mobile-menu-filter { grid-column: 1 / -1; width: 100%; min-height: 42px; }
    .main-nav .mobile-menu-filter .multiselect-btn, .main-nav .mobile-menu-filter select { width: 100%; text-align: center; }
    .main-nav .mobile-menu-filter .multiselect-panel.open { width: 100%; }
    .toolbar { display: grid !important; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 8px; margin: 0 auto 14px; padding: 10px; width: 100%; max-width: var(--layout-width); align-items: end; }
    .toolbar .field { min-width: 0; width: 100%; }
    .toolbar .field.filter-field:nth-child(3) { grid-column: 1 / -1; }
    .toolbar .field label { display: block; margin-bottom: 4px; }
    .toolbar .multiselect-btn, .toolbar select { width: 100%; min-width: 0; }
    .toolbar .shuffle-btn, .toolbar .romaji-toggle { width: 100%; }
    .multiselect-panel.open { touch-action: pan-y; overscroll-behavior-y: contain; -webkit-overflow-scrolling: touch; overflow-y: auto; overflow-x: hidden; }
    .multiselect-panel.open label, .multiselect-panel.open input[type='checkbox'] { touch-action: pan-y; }
    .mobile-bottom-controls { position: fixed; left: 0; right: 0; bottom: 0; z-index: 1000; display: flex; gap: 6px; padding: 8px 12px calc(8px + env(safe-area-inset-bottom)); background: var(--paper); border-top: 1px solid var(--paper-line); box-shadow: 0 -3px 12px rgba(36, 31, 24, .12); align-items: stretch; }
    .mobile-bottom-controls > button, .mobile-bottom-controls > .abacus { flex: 1 1 0; width: auto; min-width: 0; min-height: 44px; margin: 0; padding: 6px; border-radius: 6px; display: flex; align-items: center; justify-content: center; gap: 0; color: var(--vermilion) !important; }
    .mobile-bottom-controls > .abacus { cursor: pointer; }
    .mobile-bottom-controls > .abacus .abacus-label, .mobile-bottom-controls > .abacus .rod, .mobile-bottom-controls .lesson-control-label { display: none !important; }
    .mobile-bottom-controls .mobile-control-icon, .mobile-bottom-controls .lesson-control-svg { width: 20px !important; height: 20px !important; flex: 0 0 20px; display: inline-block; vertical-align: middle; fill: none !important; stroke: currentColor !important; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
    .directionFilterField label, .shuffle-field label, .romaji-field label { display: none; }
}

/* Desktop CSS - 521px and wider */
@media (min-width: 521px) {
    .mobile-bottom-controls { display: none !important; }
    #theme { position: fixed; bottom: 10px; right: 10px; }
}
.logo {
    width: 180px;
}

.under-toolbar {
    max-width: var(--layout-width);
    margin: 0 auto 25px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}
.logic h2{
    font-size: 18px;
}

main{
    max-width: var(--layout-width);
    margin: 0 auto;
}

.mobile-bottom-controls .lesson-control-text{
    display: none;

}

.lesson-control-text, .lesson-control-text span {
    font-size: 14px !important;
}

.mobile-bottom-controls .screen-wake-field
 {
        display: block !important;
    }

/* Daily hard vocabulary notification menu */
#jlDailyVocab {
    position: relative;
    display: inline-flex;
    align-items: center;
    font-family: inherit;
}

#jlDailyVocabToggle {
    height: auto;
    padding: 8px 10px;
    border: 0;
    border-radius: 8px;
    background: transparent;
    color: inherit;
    cursor: pointer;
    font: inherit;
    white-space: nowrap;
}

#jlDailyVocabToggle:hover {
    background: var(--paper-cell);
}

#jlDailyVocabPanel {
    position: absolute;
    right: 0;
    top: calc(100% + 8px);
    z-index: 99998;
    box-sizing: border-box;
    width: 360px;
    max-width: min(90vw, 760px);
    margin: 0;
    padding: 22px 18px 18px;
    border-radius: 12px;
    background: var(--paper-cell);
    color: var(--ink);
    border: 1px solid var(--paper-line);
    box-shadow: 0 10px 35px rgba(0,0,0,.2);
    display: flex;
    flex-direction: column;
    gap: 10px;
    overflow-y: auto;
    max-height: calc(100vh - 120px);
    -webkit-overflow-scrolling: touch;
}

#jlDailyVocabPanel[hidden] {
    display: none;
}

#jlDailyVocabPanel > * {
    max-width: 760px;
}

#jlDailyVocabClose {
    position: absolute;
    top: 12px;
    right: 16px;
    width: 38px !important;
    min-width: 38px;
    height: 38px;
    min-height: 38px;
    padding: 0 !important;
    border: 0 !important;
    background: transparent !important;
    font-size: 28px;
    line-height: 1;
    color: var(--ink);
    cursor: pointer;
    max-width: none !important;
}

#jlDailyVocabClose:hover {
    color: var(--vermilion);
}

#jlDailyVocabPanel strong {
    font-size: 20px;
}

#jlDailyVocabPanel #jlDailyVocabStatus {
    margin-bottom: 4px;
}

#jlDailyVocabPanel #jlDailyVocabEnable {
    width: auto;
    align-self: flex-start;
    min-width: 190px;
}

#jlDailyVocabPanel input,
#jlDailyVocabPanel button {
    box-sizing: border-box;
    width: 100%;
    min-height: 38px;
    padding: 7px 9px;
    border: 1px solid var(--paper-line);
    border-radius: 8px;
    background: var(--paper);
    color: var(--ink);
    font: inherit;
}

#jlDailyVocabPanel label,
#jlDailyVocabPanel small,
#jlDailyVocabStatus {
    font-size: 12px;
    color: var(--ink-soft);
}

@media (max-width: 520px) {
    #jlDailyVocab {
        width: 100%;
    }

    #jlDailyVocabToggle {
        width: 100%;
        text-align: left;
        padding: 10px 12px;
    }

    #jlDailyVocabPanel {
        position: fixed;
        left: 0;
        right: 0;
        top: var(--jl-notification-top, 0px);
        bottom: 0;
        width: 100vw;
        max-width: none;
        margin: 0;
        padding: 20px 16px calc(20px + env(safe-area-inset-bottom));
        border-radius: 0;
        border-left: 0;
        border-right: 0;
        border-bottom: 0;
    }
}