:root {
  --ink: #f4f2ec;
  --muted: #a5a8b7;
  --dim: #6e7387;
  --bg: #090d19;
  --panel: rgba(18, 24, 42, .76);
  --panel-solid: #12192b;
  --line: rgba(232, 231, 224, .1);
  --orange: #ff9f57;
  --pink: #f082a7;
  --violet: #9b8cff;
  --mint: #75d5c2;
  --shadow: 0 20px 50px rgba(0, 0, 0, .24);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; color: var(--ink); background: var(--bg); font-family: "DM Sans", "Noto Sans SC", sans-serif; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
.ambient { position: fixed; z-index: -1; width: 42rem; height: 42rem; pointer-events: none; border-radius: 50%; filter: blur(110px); opacity: .14; }
.ambient-one { top: -21rem; left: 25%; background: var(--violet); }
.ambient-two { bottom: -24rem; right: -14rem; background: #b85e84; }
.app-shell { display: grid; grid-template-columns: 250px minmax(0, 1fr); min-height: 100vh; }
.sidebar { position: sticky; top: 0; height: 100vh; padding: 25px 16px 18px; display: flex; flex-direction: column; background: rgba(9, 13, 25, .74); border-right: 1px solid var(--line); backdrop-filter: blur(18px); }
.brand { display: flex; gap: 11px; align-items: center; padding: 0 8px 30px; color: var(--ink); text-decoration: none; }
.brand-mark { display: grid; width: 34px; height: 34px; place-items: center; color: #1b1a27; font-family: Fraunces, serif; font-size: 1.2rem; font-weight: 700; background: linear-gradient(135deg, #ffc47c, #eb8da9); border-radius: 10px 10px 10px 2px; }
.brand strong { display: block; letter-spacing: -.03em; }
.brand small { display: block; margin-top: 2px; color: var(--dim); font: 500 .55rem/1 "DM Mono", monospace; letter-spacing: .12em; }
.primary-nav { display: grid; gap: 4px; }
.nav-link, .text-button { border: 0; color: var(--muted); background: none; text-align: left; transition: .2s ease; }
.nav-link { display: grid; grid-template-columns: 24px 1fr auto; gap: 5px; align-items: center; padding: 11px 10px; font-size: .88rem; border-radius: 8px; }
.nav-link span { color: var(--dim); font-size: 1rem; }.nav-link b { color: var(--dim); font: 500 .68rem "DM Mono", monospace; }
.nav-link:hover, .nav-link.active { color: var(--ink); background: rgba(255,255,255,.065); }.nav-link.active span { color: var(--orange); }.nav-link.active b { color: var(--muted); }
.side-section { min-height: 0; margin: 28px 0 16px; overflow: hidden; }.side-label { margin: 0 10px 10px; color: var(--dim); font: 500 .6rem "DM Mono", monospace; letter-spacing: .13em; }.topic-list { max-height: calc(100vh - 328px); padding-right: 2px; overflow: auto; scrollbar-width: thin; scrollbar-color: #34384a transparent; }
.topic-button { display: flex; width: 100%; align-items: center; gap: 10px; padding: 7px 10px; color: var(--muted); border: 0; border-radius: 7px; background: none; text-align: left; font-size: .78rem; }.topic-button i { flex: 0 0 auto; width: 6px; height: 6px; background: var(--topic, var(--violet)); border-radius: 50%; }.topic-button b { margin-left: auto; color: var(--dim); font: .6rem "DM Mono", monospace; }.topic-button:hover, .topic-button.active { color: var(--ink); background: rgba(255,255,255,.05); }
.sidebar-footer { display: grid; gap: 3px; margin-top: auto; padding-top: 12px; border-top: 1px solid var(--line); }.text-button { padding: 8px 10px; border-radius: 7px; font-size: .8rem; }.text-button:hover { color: var(--ink); background: rgba(255,255,255,.05); }.text-button span { display: inline-block; width: 20px; color: var(--orange); }
main { width: min(1320px, 100%); padding: 0 clamp(24px, 5vw, 78px) 70px; margin: 0 auto; }.topbar { display: flex; height: 74px; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--line); }.breadcrumb { display: flex; gap: 10px; align-items: center; color: var(--dim); font-size: .78rem; }.breadcrumb i { color: #4c5164; font-style: normal; }.breadcrumb strong { color: var(--muted); font-weight: 500; }.top-actions { display: flex; gap: 10px; align-items: center; }.icon-button, .avatar, .mobile-menu { display: grid; width: 32px; height: 32px; place-items: center; color: var(--muted); border: 1px solid var(--line); border-radius: 8px; background: rgba(255,255,255,.025); }.icon-button:hover, .mobile-menu:hover { color: var(--ink); background: rgba(255,255,255,.08); }.avatar { color: #ffd5aa; border: 0; background: linear-gradient(135deg, #8b5f84, #4f466f); font-size: .75rem; font-weight: 700; }.mobile-menu { display: none; }
.hero { display: flex; justify-content: space-between; gap: 30px; align-items: end; padding: clamp(52px, 9vw, 112px) 0 44px; }.eyebrow { margin: 0 0 10px; color: var(--orange); font: 500 .63rem "DM Mono", monospace; letter-spacing: .16em; }.hero h1 { max-width: 700px; margin: 0; font: 600 clamp(2.55rem, 5vw, 4.65rem)/.98 Fraunces, "Noto Sans SC", serif; letter-spacing: -.055em; }.hero h1 em { color: #f6b6a3; font-style: italic; }.hero-copy { max-width: 650px; margin: 21px 0 0; color: var(--muted); font-size: .93rem; line-height: 1.8; }.study-meter { display: flex; flex: 0 0 auto; gap: 13px; align-items: center; padding: 13px 17px 13px 13px; border: 1px solid var(--line); border-radius: 14px; background: rgba(255,255,255,.035); }.meter-ring { display: grid; width: 56px; height: 56px; place-items: center; border: 5px solid #f39c61; border-left-color: rgba(243,156,97,.18); border-bottom-color: rgba(243,156,97,.18); border-radius: 50%; transform: rotate(-42deg); }.meter-ring span { color: var(--ink); font: 500 .67rem "DM Mono", monospace; transform: rotate(42deg); }.study-meter strong { display:block; font-size: .76rem; }.study-meter small { display:block; margin-top: 4px; color: var(--dim); font-size: .7rem; }
.controls { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; padding: 14px; border: 1px solid var(--line); border-radius: 13px; background: rgba(19,25,42,.68); box-shadow: var(--shadow); }.search-box { display: flex; flex: 1 1 270px; gap: 10px; align-items: center; min-width: 190px; padding: 10px 12px; border: 1px solid transparent; border-radius: 8px; background: rgba(4,7,16,.35); transition: .2s; }.search-box:focus-within { border-color: rgba(255,180,112,.45); }.search-box span { color: var(--orange); font-size: 1.3rem; transform: rotate(-16deg); }.search-box input { flex: 1; min-width: 0; color: var(--ink); border: 0; outline: 0; background: transparent; font-size: .84rem; }.search-box input::placeholder { color: #767b8d; }.search-box kbd { padding: 3px 5px; color: var(--dim); border: 1px solid var(--line); border-radius: 4px; font: .58rem "DM Mono", monospace; }.filter-group { display: flex; gap: 4px; padding: 3px; border: 1px solid var(--line); border-radius: 8px; }.filter-button, .sort-button { color: var(--muted); border: 0; border-radius: 5px; background: transparent; font-size: .72rem; }.filter-button { padding: 7px 9px; }.filter-button:hover, .filter-button.selected { color: var(--ink); background: rgba(255,255,255,.09); }.sort-button { padding: 9px 10px; border: 1px solid var(--line); }.sort-button:hover { color: var(--orange); border-color: rgba(255,159,87,.4); }
.summary-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 38px 0 47px; }.summary-card { min-height: 91px; padding: 17px 18px; border: 1px solid var(--line); border-radius: 12px; background: rgba(21,27,46,.58); }.summary-card p { margin: 0; color: var(--dim); font-size: .7rem; }.summary-card strong { display: block; margin-top: 7px; font: 600 1.56rem/1 Fraunces, serif; letter-spacing: -.04em; }.summary-card span { float: right; color: var(--orange); font-size: .72rem; }.summary-card:nth-child(2) span { color: var(--mint); }.summary-card:nth-child(3) span { color: #b5a9ff; }.summary-card:nth-child(4) span { color: var(--pink); }
.section-heading { display: flex; justify-content: space-between; align-items: end; margin-bottom: 19px; }.section-heading .eyebrow { margin-bottom: 6px; }.section-heading h2 { margin: 0; font: 600 1.8rem/1 Fraunces, "Noto Sans SC", serif; letter-spacing: -.04em; }.result-count { margin: 0; color: var(--dim); font: .66rem "DM Mono", monospace; }.cards { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 13px; }.phrase-card { position: relative; display: flex; min-height: 284px; flex-direction: column; padding: 19px; overflow: hidden; border: 1px solid var(--line); border-radius: 13px; background: linear-gradient(145deg, rgba(28,35,58,.82), rgba(14,19,33,.84)); box-shadow: 0 12px 34px rgba(0,0,0,.12); transition: transform .22s, border-color .22s, background .22s; }.phrase-card:hover { z-index: 1; border-color: rgba(255,207,167,.3); background: linear-gradient(145deg, rgba(36,44,70,.95), rgba(17,22,38,.95)); transform: translateY(-4px); }.card-top { display: flex; justify-content: space-between; gap: 8px; align-items: center; }.topic-chip { padding: 5px 7px; color: var(--chip, var(--violet)); border: 1px solid color-mix(in srgb, var(--chip, var(--violet)) 35%, transparent); border-radius: 4px; background: color-mix(in srgb, var(--chip, var(--violet)) 9%, transparent); font: 500 .58rem "DM Mono", "Noto Sans SC", monospace; letter-spacing: .04em; }.card-actions { display: flex; align-items: center; gap: 6px; }.source-page { color: var(--dim); border: 0; background: none; font: .56rem "DM Mono", monospace; }.star-button { width: 25px; height: 25px; color: #8f94a5; border: 1px solid var(--line); border-radius: 6px; background: rgba(0,0,0,.15); }.star-button.saved { color: #ffbe73; }.phrase-line { display: flex; gap: 10px; align-items: start; margin-top: 20px; }.phrase-line h3 { flex: 1; margin: 0; font: 600 1.21rem/1.27 Fraunces, "Noto Sans SC", serif; letter-spacing: -.02em; }.play-button { display: grid; flex: 0 0 auto; width: 32px; height: 32px; place-items: center; padding-left: 2px; color: #101525; border: 0; border-radius: 50%; background: #f7b174; box-shadow: 0 5px 14px rgba(242,151,90,.25); transition: .2s; }.play-button:hover, .play-button.playing { color: #fff; background: #d96f8c; transform: scale(1.08); }.meaning { min-height: 42px; margin: 12px 0 14px; color: #c2c4ce; font-size: .78rem; line-height: 1.7; }.example { margin-top: auto; padding: 10px 11px; border-left: 2px solid rgba(255,170,104,.55); border-radius: 0 6px 6px 0; background: rgba(4,7,15,.24); }.example span, .kind-label { color: var(--orange); font: .55rem "DM Mono", "Noto Sans SC", monospace; letter-spacing: .1em; }.example p { margin: 5px 0 0; color: #bec1cc; font-family: Fraunces, "Noto Sans SC", serif; font-size: .73rem; line-height: 1.55; }.card-footer { display: flex; justify-content: space-between; align-items: center; margin-top: 15px; }.kind-label { color: var(--dim); }.level-select { display: flex; gap: 6px; align-items: center; color: var(--dim); font-size: .61rem; }.level-select select { padding: 4px 18px 4px 6px; color: #dfe0e6; border: 1px solid var(--line); border-radius: 4px; outline: 0; background: #1b2237; font-size: .62rem; }.level-select select[value="excellent"], .level-select:has(select[value="excellent"]) select { color: #ffbd7c; }.level-select:has(select[value="good"]) select { color: #8de0d1; }.level-select:has(select[value="fair"]) select { color: #c9c0ff; }
.empty-state { padding: 70px 20px; border: 1px dashed var(--line); border-radius: 13px; text-align: center; }.empty-state span { color: var(--orange); font-size: 2rem; }.empty-state h3 { margin: 12px 0 6px; font-family: Fraunces, serif; }.empty-state p { margin: 0; color: var(--muted); font-size: .8rem; }.empty-state button { margin-top: 17px; padding: 8px 13px; color: var(--ink); border: 1px solid var(--line); border-radius: 7px; background: none; }.hidden { display: none !important; }
dialog { max-width: min(92vw, 545px); padding: 0; color: var(--ink); border: 0; border-radius: 15px; background: transparent; box-shadow: 0 30px 100px rgba(0,0,0,.72); }dialog::backdrop { background: rgba(3,5,12,.66); backdrop-filter: blur(5px); }.modal-card { min-width: min(92vw, 545px); padding: 28px; border: 1px solid rgba(255,255,255,.13); border-radius: 15px; background: #151b2f; }.modal-heading { display: flex; justify-content: space-between; align-items: start; }.modal-heading h2 { margin: 0; font: 600 1.65rem/1 Fraunces, "Noto Sans SC", serif; }.close-button { width: 27px; height: 27px; color: var(--muted); border: 1px solid var(--line); border-radius: 7px; background: none; font-size: 1.3rem; line-height: 1; }.modal-copy { color: var(--muted); font-size: .78rem; line-height: 1.65; }.setting-row { display: block; margin: 20px 0; }.setting-row > span { display: flex; justify-content: space-between; color: #e2e1e5; font-size: .78rem; }.setting-row small, .setting-row output { color: var(--dim); font-size: .68rem; }.setting-row select, .setting-row input { width: 100%; margin-top: 9px; }.setting-row select { padding: 10px; color: var(--ink); border: 1px solid var(--line); border-radius: 7px; background: #0e1425; font-size: .75rem; }.setting-row input { accent-color: var(--orange); }.preview-box { display: flex; gap: 10px; align-items: center; padding: 11px; border: 1px solid var(--line); border-radius: 9px; background: rgba(0,0,0,.17); }.preview-box > span { color: var(--orange); font: 2rem/1 Fraunces, serif; }.preview-box p { flex: 1; margin: 0; color: #ccced6; font: italic .78rem/1.5 Fraunces, serif; }.play-button.small { width: 28px; height: 28px; font-size: .65rem; }.modal-actions { display: flex; justify-content: end; gap: 9px; margin-top: 24px; }.secondary-button, .primary-button { padding: 9px 13px; border-radius: 7px; font-size: .75rem; }.secondary-button { color: var(--muted); border: 1px solid var(--line); background: transparent; }.primary-button { color: #17121a; border: 0; background: linear-gradient(110deg, #ffc07e, #ef9aae); font-weight: 700; }.entry-form label { display: block; margin-top: 14px; color: #dfe0e6; font-size: .72rem; }.entry-form input, .entry-form textarea, .entry-form select { display: block; width: 100%; margin-top: 6px; padding: 10px; color: var(--ink); border: 1px solid var(--line); border-radius: 7px; outline: 0; resize: vertical; background: #0e1425; font-size: .77rem; }.entry-form input:focus, .entry-form textarea:focus, .entry-form select:focus { border-color: rgba(255,180,112,.5); }.two-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }.two-fields label { min-width: 0; }
@media (max-width: 1040px) { .cards { grid-template-columns: repeat(2,minmax(0,1fr)); }.hero { align-items: start; }.study-meter { margin-top: 12px; } }
@media (max-width: 780px) { .app-shell { display: block; }.sidebar { position: fixed; z-index: 5; width: 260px; transform: translateX(-102%); transition: transform .25s; box-shadow: 15px 0 60px rgba(0,0,0,.45); }.sidebar.open { transform: translateX(0); }.mobile-menu { display: grid; }.topbar { height: 62px; }.breadcrumb { margin-right: auto; margin-left: 11px; }.hero { display: block; padding-top: 60px; }.hero h1 { font-size: clamp(2.55rem, 12vw, 4rem); }.study-meter { display: inline-flex; margin-top: 27px; }.summary-row { grid-template-columns: repeat(2,1fr); margin: 27px 0 35px; }.controls { padding: 9px; }.filter-group { order: 3; }.sort-button { margin-left: auto; }.cards { grid-template-columns: 1fr; }.phrase-card { min-height: 260px; } }
@media (max-width: 440px) { main { padding: 0 16px 50px; }.top-actions .icon-button { display:none; }.summary-card { min-height: 80px; padding: 14px; }.summary-card strong { font-size: 1.35rem; }.summary-card p { font-size: .64rem; }.filter-group { flex: 1 1 100%; }.filter-button { flex: 1; }.sort-button { margin-left: 0; }.section-heading h2 { font-size: 1.55rem; }.level-select span { display:none; }.modal-card { min-width: 92vw; padding: 22px; } }