:root {
    --main-color: #4257ff;
    --accent-color: #6b7cff;
    --bg-light: #090721;
    --surface: #303b5b;
    --surface-strong: #070522;
    --surface-soft: #242c48;
    --text-dark: #f5f7ff;
    --text-light: #fff;
    --muted-text: #c8d1f5;
    --spacing: 1.5rem;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: sans-serif;
}

body {
    background: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.6;
}

.container {
    max-width: 960px;
    margin: auto;
    padding: 0 var(--spacing);
}

.navbar {
    background: #090721;
    color: var(--text-light);
    padding: var(--spacing);
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar .logo {
    font-size: 1.5rem;
}

.navbar .nav a {
    color: white;
    margin-left: 1rem;
    text-decoration: none;
}

.hero {
    background: #090721;
    color: white;
    text-align: center;
    padding: 4rem 1rem;
}

.hero h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.search-bar {
    margin-top: 1.5rem;
    display: flex;
    justify-content: center;
    gap: 0.5rem;
}

.search-bar input {
    padding: 0.75rem;
    width: 300px;
    border: none;
    border-radius: 4px;
}

.search-bar button {
    padding: 0.75rem 1.5rem;
    background: white;
    color: var(--main-color);
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.popular {
    padding: 3rem 1rem;
    text-align: center;
}

.card-grid {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.card {
    background: var(--surface);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 16px 40px rgba(0,0,0,0.22);
    width: 260px;
}

.card button {
    margin-top: 1rem;
    padding: 0.5rem 1rem;
    background: var(--main-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.how-it-works {
    background: #fff;
    padding: 3rem 1rem;
}

.steps {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.steps div {
    text-align: center;
    max-width: 200px;
}

.cta {
    background: var(--main-color);
    color: white;
    text-align: center;
    padding: 3rem 1rem;
}

.cta .btn {
    margin-top: 1rem;
    padding: 0.75rem 2rem;
    background: white;
    color: var(--main-color);
    text-decoration: none;
    border-radius: 5px;
}

.footer {
    background: #222;
    color: white;
    text-align: center;
    padding: 1rem;
}

.footer a {
    color: white;
    margin: 0 1rem;
    text-decoration: none;
}

.auth-section {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    background: linear-gradient(to right, var(--accent-color), var(--main-color));
}

.auth-box {
    background: var(--surface);
    padding: 2rem;
    border-radius: 10px;
    width: 90%;
    max-width: 400px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.2);
}

.auth-box h2 {
    text-align: center;
    margin-bottom: 1rem;
}

.auth-box form {
    display: flex;
    flex-direction: column;
}

.auth-box input {
    padding: 0.75rem;
    margin-bottom: 1rem;
    border-radius: 5px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: var(--surface-strong);
    color: white;
}

.auth-box button {
    padding: 0.75rem;
    background: var(--main-color);
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

.small-text {
    font-size: 0.9rem;
    text-align: center;
    margin-top: 1rem;
}
.flashcard-section {
    padding: 2rem 1rem;
    text-align: center;
}

.flashcard-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

.flashcard {
    perspective: 1000px;
    width: 200px;
    height: 150px;
}

.card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.6s;
    transform-style: preserve-3d;
    cursor: pointer;
}

.flashcard:hover .card-inner {
    transform: rotateY(180deg);
}

.card-front,
.card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    padding: 1rem;
    border-radius: 10px;
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    backface-visibility: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.card-front {
    background: var(--main-color);
    color: white;
}

.card-back {
    background: var(--surface);
    color: white;
    transform: rotateY(180deg);
}

.flash-study-page {
    min-height: 100vh;
    background: #090721;
    color: white;
}

.flash-study-shell {
    width: min(940px, calc(100% - 2rem));
    margin: 0 auto;
    padding: 1.6rem 0 2rem;
}

.flash-study-header {
    display: flex;
    align-items: center;
    margin-bottom: 0.8rem;
}

.flash-home-link {
    width: 46px;
    height: 46px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 50%;
    background: #303b5b;
    color: #4fd1ff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.16);
    transition: transform 0.18s ease, background 0.18s ease;
}

.flash-home-link:hover {
    background: #3b486d;
    transform: translateY(-1px);
}

.flash-home-link:focus-visible {
    outline: 3px solid #a8b2ff;
    outline-offset: 3px;
}

.flash-home-link svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

.mode-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(180px, 1fr));
    gap: 0.6rem 1rem;
    margin: 0 auto 1rem;
}

.mode-tile {
    min-height: 58px;
    border-radius: 8px;
    background: #303b5b;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    font-weight: 900;
    text-decoration: none;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.16);
}

.mode-tile.active {
    border-bottom: 4px solid #a8b2ff;
}

.mode-tile span {
    color: #4fd1ff;
    font-size: 1.55rem;
}

.mode-dots {
    display: flex;
    justify-content: center;
    gap: 0.4rem;
    margin: 0.6rem 0 1.7rem;
}

.mode-dots span {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.35);
}

.mode-dots span.active {
    background: white;
}

.flash-study-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 260px;
    align-items: stretch;
    gap: 1.25rem;
}

.flash-study-card {
    min-height: 470px;
    border: 0;
    border-radius: 16px;
    background: #303b5b;
    box-shadow: 0 28px 50px rgba(0, 0, 0, 0.25);
    display: grid;
    grid-template-rows: auto 1fr auto;
    padding: 2.25rem 3rem;
    cursor: pointer;
    transition: transform 0.25s ease, background 0.25s ease;
    position: relative;
    overflow: hidden;
}

.flash-study-card > :not(.flash-annotation-canvas) {
    position: relative;
    z-index: 1;
}

.flash-annotation-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    pointer-events: none;
    touch-action: none;
}

.flash-annotation-canvas.is-drawing {
    cursor: crosshair;
    pointer-events: auto;
}

.flash-annotation-canvas.is-hidden {
    display: none;
}

.annotation-controls {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.55rem;
}

.annotation-controls button {
    min-height: 36px;
    border: 1px solid rgba(158, 172, 255, 0.45);
    border-radius: 999px;
    background: #303b5b;
    color: #f4f6ff;
    cursor: pointer;
    font: inherit;
    font-size: 0.88rem;
    font-weight: 900;
    padding: 0 0.9rem;
}

.annotation-controls button:hover,
.annotation-controls button.active {
    border-color: #8fa2ff;
    background: #4257ff;
}

.annotation-controls button:disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

.annotation-save-status {
    color: #9eacff;
    font-size: 0.82rem;
    font-weight: 800;
}

.study-timer-panel {
    display: grid;
    align-content: start;
    gap: 1rem;
}

.timer-widget {
    border-radius: 16px;
    background: #303b5b;
    box-shadow: 0 18px 38px rgba(0, 0, 0, 0.22);
    padding: 1.1rem;
}

.timer-widget p {
    color: #aeb8ff;
    font-size: 0.85rem;
    font-weight: 900;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.timer-widget strong {
    display: block;
    color: white;
    font-size: 2rem;
    line-height: 1.1;
    margin: 0.45rem 0 0.9rem;
}

.timer-actions {
    display: flex;
    gap: 0.55rem;
    flex-wrap: wrap;
}

.timer-actions button {
    min-height: 38px;
    border: 0;
    border-radius: 999px;
    background: #4257ff;
    color: white;
    cursor: pointer;
    font: inherit;
    font-weight: 900;
    padding: 0 0.9rem;
}

.timer-actions button + button {
    background: #242c48;
}

.countdown-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.65rem;
    margin-bottom: 0.8rem;
}

.countdown-inputs label {
    display: grid;
    gap: 0.25rem;
    color: #c8d1f5;
    font-size: 0.8rem;
    font-weight: 900;
}

.countdown-inputs input {
    width: 100%;
    border: 0;
    border-radius: 8px;
    background: #070522;
    color: white;
    font: inherit;
    font-weight: 900;
    min-height: 40px;
    padding: 0 0.7rem;
}

.countdown-inputs input:focus {
    outline: 3px solid rgba(66, 87, 255, 0.55);
}

.flash-study-card:focus {
    outline: 3px solid rgba(66, 87, 255, 0.65);
}

.flash-study-card.is-flipped {
    background: #263253;
}

.flash-card-topline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.hint-button,
.flash-card-tools button,
.flash-extra-controls button,
.flash-extra-controls a {
    border: 0;
    background: transparent;
    color: white;
    cursor: pointer;
    font: inherit;
    font-weight: 900;
    text-decoration: none;
}

.hint-button {
    opacity: 0.95;
}

.flash-card-tools {
    display: flex;
    align-items: center;
    gap: 1.1rem;
}

.flash-card-tools button.active {
    color: #ffcd1f;
}

.accent-select-label select {
    appearance: none;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 999px;
    background: #242c48;
    color: white;
    cursor: pointer;
    font-weight: 900;
    padding: 0.35rem 1.75rem 0.35rem 0.75rem;
}

.accent-select-label {
    position: relative;
}

.accent-select-label::after {
    content: "⌄";
    position: absolute;
    right: 0.65rem;
    top: 50%;
    transform: translateY(-54%);
    pointer-events: none;
    color: #c8d1f5;
    font-size: 0.9rem;
}

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

#speak-button.active {
    color: #7dd3fc;
    transform: scale(1.08);
}

.flash-options-dialog {
    width: min(720px, 100%);
    max-width: 100%;
    height: 100%;
    max-height: 100%;
    margin: 0 0 0 auto;
    border: 0;
    background: transparent;
    color: white;
}

.flash-options-dialog::backdrop {
    background: rgba(4, 3, 18, 0.62);
}

.flash-options-panel {
    min-height: 100%;
    background: #242342;
    box-shadow: -24px 0 60px rgba(0, 0, 0, 0.35);
    padding: 2rem;
    position: relative;
    overflow-y: auto;
}

.flash-options-panel h1 {
    font-size: 2.25rem;
    line-height: 1.1;
    margin-bottom: 2rem;
}

.options-close-button {
    position: absolute;
    right: 1.5rem;
    top: 1rem;
    width: 42px;
    height: 42px;
    border: 0;
    border-radius: 999px;
    background: #303b5b;
    color: white;
    cursor: pointer;
    font-size: 1.7rem;
    font-weight: 900;
}

.option-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    padding: 1.25rem 0;
}

.option-row.nested {
    padding-left: 2rem;
}

.option-row h2,
.options-section-title {
    color: white;
    font-size: 1.05rem;
    font-weight: 900;
}

.option-row p {
    color: #eef1ff;
    max-width: 540px;
    margin-top: 0.35rem;
}

.option-switch {
    position: relative;
    display: inline-flex;
    width: 42px;
    height: 24px;
    flex: 0 0 auto;
}

.option-switch input {
    opacity: 0;
    position: absolute;
}

.option-switch span {
    width: 100%;
    height: 100%;
    border-radius: 999px;
    background: #737b98;
    cursor: pointer;
    position: relative;
    transition: background 0.2s ease;
}

.option-switch span::after {
    content: "";
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: white;
    position: absolute;
    left: 1px;
    top: 1px;
    transition: left 0.2s ease;
}

.option-switch input:checked + span {
    background: #4257ff;
}

.option-switch input:checked + span::after {
    left: 19px;
}

.option-pill-select {
    min-width: 124px;
    border: 0;
    border-radius: 999px;
    background: #303b5b;
    color: white;
    font-weight: 900;
    padding: 0.8rem 1rem;
    cursor: pointer;
}

.options-section {
    border-top: 1px solid rgba(255, 255, 255, 0.09);
    padding: 1.6rem 0;
}

.options-section-title {
    width: 100%;
    display: flex;
    justify-content: space-between;
    border: 0;
    background: transparent;
    cursor: pointer;
}

.options-section-title strong {
    color: #aeb8ff;
}

.shortcut-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 0.75rem;
    margin-top: 1.4rem;
}

.shortcut-grid div {
    min-height: 54px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0 0.75rem;
}

.shortcut-grid kbd {
    border: 2px solid #d5dcff;
    border-radius: 6px;
    color: white;
    font: inherit;
    font-size: 0.86rem;
    font-weight: 900;
    padding: 0.1rem 0.45rem;
}

.restart-flashcards-button,
.privacy-button {
    width: 100%;
    border: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.09);
    background: transparent;
    color: #ff6b6b;
    cursor: pointer;
    font: inherit;
    font-weight: 900;
    text-align: left;
    padding: 1.8rem 0;
}

.privacy-button {
    color: #aeb8ff;
}

.flash-card-face {
    align-self: center;
    justify-self: center;
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    line-height: 1.15;
    text-align: center;
}

.flash-card-hint {
    color: #aeb8ff;
    font-size: 1.1rem;
    font-weight: 900;
    text-align: center;
}

.flash-controls {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 1rem;
    margin-top: 1.1rem;
}

.track-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    color: #a8b2ff;
    font-weight: 900;
}

.track-toggle input {
    position: absolute;
    opacity: 0;
}

.mini-toggle-ui {
    width: 38px;
    height: 20px;
    border-radius: 999px;
    background: #5d6685;
    position: relative;
}

.mini-toggle-ui::after {
    content: "";
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: #e7ebff;
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    transition: left 0.2s ease;
}

.track-toggle input:checked + .mini-toggle-ui::after {
    left: 17px;
}

.flash-nav-controls,
.flash-extra-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.spark-button,
.previous-flash-button,
.next-flash-button,
.flash-extra-controls button,
.flash-extra-controls a {
    min-width: 50px;
    height: 50px;
    border-radius: 999px;
    background: #303b5b;
    display: grid;
    place-items: center;
}

.spark-button {
    min-width: 100px;
    border: 2px solid #4257ff;
    color: #6fb8ff;
    font-size: 1.55rem;
}

.previous-flash-button,
.next-flash-button {
    min-width: 82px;
    font-size: 2rem;
}

.flash-extra-controls {
    justify-content: flex-end;
}

.flash-empty-state {
    background: #303b5b;
    border-radius: 16px;
    padding: 3rem;
    text-align: center;
}

.flash-empty-state h1 {
    margin-bottom: 0.6rem;
}

.flash-empty-state p {
    color: #c8d1f5;
    margin-bottom: 1.2rem;
}

.latest-page {
    --latest-blue: #4257b2;
    --latest-blue-dark: #3548a8;
    --latest-teal: #23b8bd;
    --latest-bg: #f6f7fb;
    --latest-border: #e6e8ef;
    --latest-text: #303545;
    --latest-muted: #6b7280;
    background: var(--latest-bg);
    color: var(--latest-text);
    min-height: 100vh;
}

.latest-topbar {
    height: 64px;
    background: var(--latest-blue);
    color: white;
    display: grid;
    grid-template-columns: 180px minmax(220px, 520px) 1fr;
    align-items: center;
    gap: 1.5rem;
    padding: 0 2rem;
    box-shadow: 0 1px 8px rgba(48, 53, 69, 0.22);
    position: sticky;
    top: 0;
    z-index: 10;
}

.brand {
    color: white;
    text-decoration: none;
    font-size: 1.75rem;
    font-weight: 900;
    letter-spacing: -0.01em;
}

.top-search {
    height: 40px;
    background: rgba(255, 255, 255, 0.18);
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0 0.9rem;
    color: rgba(255, 255, 255, 0.82);
}

.top-search input,
.filter-search input {
    width: 100%;
    border: 0;
    outline: 0;
    background: transparent;
    color: inherit;
    font: inherit;
}

.top-search input::placeholder {
    color: rgba(255, 255, 255, 0.72);
}

.top-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 1.25rem;
}

.top-actions a {
    color: white;
    text-decoration: none;
    font-weight: 800;
}

.top-actions .signup-action {
    background: #ffcd1f;
    color: #2e3856;
    border-radius: 4px;
    padding: 0.6rem 1rem;
}

.latest-layout {
    display: grid;
    grid-template-columns: 260px minmax(0, 1fr);
    min-height: calc(100vh - 64px);
}

.latest-sidebar {
    background: white;
    border-right: 1px solid var(--latest-border);
    padding: 1.25rem 0;
    color: var(--latest-text);
}

.side-nav,
.side-section {
    display: grid;
    gap: 0.15rem;
}

.side-nav a,
.side-section a {
    color: var(--latest-text);
    text-decoration: none;
    min-height: 40px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0 1.4rem;
    font-weight: 700;
    font-size: 0.95rem;
}

.side-nav a.active {
    background: #ffdc62;
    border-left: 4px solid #ffcd1f;
    padding-left: calc(1.4rem - 4px);
}

.side-section {
    border-top: 1px solid var(--latest-border);
    margin-top: 1.4rem;
    padding-top: 1rem;
}

.side-section p {
    color: #9aa1b2;
    font-size: 0.75rem;
    font-weight: 900;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 0 1.4rem 0.35rem;
}

.side-section a:last-child {
    color: var(--latest-teal);
}

.latest-main {
    padding: 3rem min(5vw, 4.5rem);
    max-width: 1100px;
}

.latest-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 2rem;
    margin-bottom: 2rem;
}

.eyebrow {
    color: #8c95aa;
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 0.35rem;
}

.latest-heading h1 {
    font-size: clamp(2.25rem, 4vw, 3rem);
    line-height: 1.05;
    color: var(--latest-text);
}

.filter-search {
    min-width: 220px;
    display: grid;
    gap: 0.3rem;
    color: #8c95aa;
    font-size: 0.78rem;
    font-weight: 900;
    text-transform: uppercase;
}

.filter-search input {
    height: 34px;
    border-bottom: 2px solid #d9dde8;
    color: var(--latest-text);
    text-transform: none;
    font-weight: 600;
}

.quick-create {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
    margin-bottom: 2.5rem;
}

.quick-create article,
.activity-item {
    background: white;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(48, 53, 69, 0.12);
}

.quick-create article {
    min-height: 156px;
    padding: 1.4rem 1.6rem;
    position: relative;
}

.quick-create-dismiss {
    position: absolute;
    right: 1rem;
    top: 0.8rem;
    border: 0;
    background: transparent;
    color: #a3a9b8;
    font-size: 1.5rem;
    cursor: pointer;
}

.quick-create h2 {
    color: var(--latest-text);
    font-size: 1.25rem;
    margin-bottom: 0.4rem;
}

.quick-create p {
    color: var(--latest-muted);
    margin-bottom: 1.3rem;
}

.quick-create a,
.quick-create-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    border: 0;
    background: var(--latest-teal);
    color: white;
    text-decoration: none;
    font-weight: 900;
    font: inherit;
    border-radius: 3px;
    padding: 0 1.1rem;
    cursor: pointer;
}

.ai-create-dialog {
    width: min(720px, calc(100% - 2rem));
    border: 0;
    border-radius: 18px;
    background: #303b5b;
    color: white;
    padding: 0;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
}

.ai-create-dialog::backdrop {
    background: rgba(3, 2, 18, 0.7);
}

.ai-create-dialog form {
    padding: 1.6rem;
}

.ai-create-dialog p {
    color: #c8d1f5;
    margin-bottom: 1rem;
}

.ai-create-title-field,
.ai-create-text-field {
    display: grid;
    gap: 0.5rem;
    margin-bottom: 1rem;
    color: #c8d1f5;
    font-weight: 900;
}

.ai-create-title-field input,
.ai-create-title-field select,
.ai-create-text-field textarea {
    width: 100%;
    border: 0;
    border-radius: 10px;
    background: #070522;
    color: white;
    font: inherit;
    padding: 0.9rem 1rem;
}

.ai-create-text-field textarea {
    min-height: 240px;
    resize: vertical;
}

.ai-create-title-field input:focus,
.ai-create-text-field textarea:focus {
    outline: 3px solid rgba(66, 87, 255, 0.55);
}

.activity-section {
    margin-bottom: 2rem;
}

.activity-section h2 {
    color: #8c95aa;
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 0.85rem;
}

.activity-list {
    display: grid;
    gap: 0.85rem;
}

.activity-item {
    min-height: 96px;
    display: grid;
    grid-template-columns: 72px minmax(0, 1fr) auto;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
}

.activity-item.clickable-set {
    cursor: pointer;
}

.activity-item.clickable-set:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(48, 53, 69, 0.16);
}

.set-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.6rem;
    flex-wrap: wrap;
}

.secondary-study-link {
    color: var(--latest-blue);
    border-color: #e6e8ef;
}

.ai-create-title-field select {
    min-height: 50px;
}

.delete-set-button {
    min-height: 42px;
    border: 1px solid #f1c4ca;
    border-radius: 6px;
    background: white;
    color: #bd0c12;
    cursor: pointer;
    font: inherit;
    font-weight: 900;
    padding: 0.65rem 1rem;
}

.delete-set-button:hover {
    background: #fff0f1;
}

.delete-set-button:focus-visible {
    outline: 3px solid rgba(189, 12, 18, 0.25);
    outline-offset: 2px;
}

.delete-set-button:disabled {
    cursor: wait;
    opacity: 0.65;
}

.set-thumb {
    width: 58px;
    height: 58px;
    border-radius: 4px;
    display: grid;
    place-items: center;
    color: white;
    font-weight: 900;
    background: linear-gradient(135deg, #4257b2, #23b8bd);
}

.set-meta {
    color: var(--latest-muted);
    font-size: 0.86rem;
    font-weight: 700;
    margin-bottom: 0.1rem;
}

.activity-item h3 {
    color: var(--latest-text);
    font-size: 1.15rem;
    line-height: 1.25;
}

.set-description {
    color: var(--latest-muted);
    margin-top: 0.2rem;
}

.study-link {
    color: var(--latest-teal);
    text-decoration: none;
    font-weight: 900;
    border: 2px solid #dff5f6;
    border-radius: 4px;
    padding: 0.45rem 0.8rem;
}

.create-set-link {
    background: var(--latest-teal);
    border-radius: 4px;
    color: white;
    font-weight: 900;
    min-height: 42px;
    padding: 0.65rem 1rem;
    text-decoration: none;
}

.study-tools {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
}

.study-tools a {
    min-height: 74px;
    background: white;
    color: var(--latest-blue);
    text-decoration: none;
    font-weight: 900;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(48, 53, 69, 0.12);
    display: grid;
    place-items: center;
    border-bottom: 4px solid var(--latest-teal);
}

.study-mode-page {
    min-height: 100vh;
    background: #f6f7fb;
    color: #303545;
}

.study-mode-topbar {
    min-height: 64px;
    background: #4257b2;
    color: white;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0 2rem;
}

.study-mode-shell {
    width: min(1040px, calc(100% - 2rem));
    margin: 0 auto;
    padding: 3rem 0;
}

.study-mode-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.study-mode-heading h1 {
    color: #303545;
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 1.05;
}

.study-mode-heading > p {
    color: #4257b2;
    font-weight: 900;
}

.practice-card {
    min-height: 360px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 18px rgba(48, 53, 69, 0.14);
    display: grid;
    align-content: center;
    justify-items: center;
    gap: 1.5rem;
    padding: 2rem;
    text-align: center;
}

.practice-question-label {
    color: #8c95aa;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.practice-card h2 {
    color: #303545;
    font-size: clamp(2.3rem, 6vw, 4rem);
}

.practice-answer {
    color: #4257b2;
    font-size: 1.6rem;
    font-weight: 900;
}

.flash-card-transcription {
    color: #c6d0ff;
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: 0.03em;
    margin: 0.4rem 0;
    text-align: center;
}

.flash-card-column {
    min-width: 0;
    display: grid;
    gap: 0.85rem;
}

.flash-example-sentence {
    margin: 0;
    border-radius: 12px;
    background: rgba(48, 59, 91, 0.78);
    color: #dbe2ff;
    font-size: 1.05rem;
    line-height: 1.5;
    padding: 1rem 1.25rem;
    text-align: center;
}

.flash-example-sentence::before {
    content: "Example: ";
    color: #9eacff;
    font-weight: 900;
}

.typing-card {
    min-height: 430px;
}

.typing-example-sentence {
    margin: -0.35rem 0 1rem;
    color: #59627d;
    font-size: 1.1rem;
    font-style: italic;
    line-height: 1.5;
    text-align: center;
}

.typing-example-sentence::before {
    content: "Example: ";
    color: #4257ff;
    font-style: normal;
    font-weight: 900;
}

.typing-answer-form {
    width: min(560px, 100%);
    display: grid;
    gap: 1rem;
}

.typing-answer-label {
    color: #59627a;
    font-weight: 800;
    text-align: left;
}

.typing-answer-form input {
    width: 100%;
    border: 2px solid #d7dbea;
    border-radius: 10px;
    background: #f8f9fc;
    color: #303545;
    font: inherit;
    font-size: 1.25rem;
    padding: 0.95rem 1rem;
    text-align: center;
}

.typing-answer-form input:focus {
    border-color: #4257b2;
    box-shadow: 0 0 0 4px rgba(66, 87, 178, 0.14);
    outline: 0;
}

.typing-feedback {
    min-height: 1.5rem;
    color: #697188;
    font-weight: 900;
}

.typing-feedback.correct {
    color: #18864b;
}

.typing-feedback.incorrect {
    color: #c83c4d;
}

.typing-feedback.revealed {
    color: #4257b2;
}

.practice-actions,
.match-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.match-board {
    display: grid;
    grid-template-columns: repeat(4, minmax(140px, 1fr));
    gap: 1rem;
}

.match-tile {
    min-height: 112px;
    border: 0;
    border-bottom: 4px solid #23b8bd;
    border-radius: 8px;
    background: white;
    color: #303545;
    cursor: pointer;
    font: inherit;
    font-size: 1.05rem;
    font-weight: 900;
    padding: 1rem;
    box-shadow: 0 3px 12px rgba(48, 53, 69, 0.12);
}

.match-tile.selected {
    outline: 4px solid rgba(66, 87, 178, 0.35);
}

.match-tile.matched {
    background: #e6faf8;
    border-bottom-color: #20a56d;
    color: #1f7a57;
    cursor: default;
    opacity: 0.75;
}

.match-tile.wrong {
    background: #ffe9e9;
    border-bottom-color: #c92c45;
}

.match-actions {
    margin-top: 1.5rem;
}

.match-edit-link {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
}

@media (max-width: 900px) {
    .mode-grid {
        grid-template-columns: 1fr;
    }

    .flash-study-layout {
        grid-template-columns: 1fr;
    }

    .study-timer-panel {
        grid-template-columns: 1fr 1fr;
    }

    .flash-study-card {
        min-height: 360px;
        padding: 1.5rem;
    }

    .flash-controls {
        grid-template-columns: 1fr;
        justify-items: center;
    }

    .flash-extra-controls {
        justify-content: center;
    }

    .timer-widget strong {
        font-size: 1.6rem;
    }

    .latest-topbar {
        grid-template-columns: 1fr;
        height: auto;
        padding: 1rem;
        gap: 0.9rem;
    }

    .top-actions {
        justify-content: flex-start;
        flex-wrap: wrap;
    }

    .latest-layout {
        grid-template-columns: 1fr;
    }

    .latest-sidebar {
        border-right: 0;
        border-bottom: 1px solid var(--latest-border);
    }

    .latest-heading,
    .quick-create {
        grid-template-columns: 1fr;
        display: grid;
    }

    .activity-item {
        grid-template-columns: 58px minmax(0, 1fr);
    }

    .study-link {
        grid-column: 2;
        width: fit-content;
    }

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

    .study-mode-topbar,
    .study-mode-heading {
        align-items: flex-start;
        flex-direction: column;
    }

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

.editor-page {
    min-height: 100vh;
    background: #090721;
    color: #f8f9ff;
}

.editor-topbar {
    height: 90px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 clamp(1.25rem, 9vw, 8rem);
}

.back-link {
    color: #8ea0ff;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.25rem;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
}

.back-link span {
    color: #c8d1ff;
    font-size: 2.4rem;
    line-height: 1;
}

.done-button {
    border: 0;
    border-radius: 999px;
    background: #4257ff;
    color: white;
    font-weight: 800;
    font-size: 1rem;
    padding: 0.9rem 1.45rem;
    cursor: pointer;
}

.editor-shell {
    width: min(1566px, calc(100% - 2rem));
    margin: 0 auto;
    padding: 0.7rem 0 3rem;
}

.set-meta-panel {
    padding: 1.6rem 0 1.4rem;
}

.set-meta-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.set-meta-heading h1 {
    margin: 0;
    color: white;
    font-size: clamp(1.7rem, 2.5vw, 2.1rem);
    line-height: 1.15;
}

.set-create-actions {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    flex-wrap: wrap;
}

.secondary-create-button,
.primary-create-button,
.visibility-pill {
    border: 0;
    border-radius: 999px;
    color: white;
    cursor: pointer;
    font-weight: 900;
}

.secondary-create-button {
    background: #64708f;
    padding: 0.9rem 1.55rem;
    font-size: 1rem;
}

.primary-create-button {
    background: #4257ff;
    padding: 0.9rem 1.55rem;
    font-size: 1rem;
}

.visibility-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    background: var(--surface);
    padding: 0.75rem 1.15rem;
    font-size: 1rem;
}

.visibility-pill[aria-pressed="false"] {
    background: #27314d;
    color: #c8d1f5;
}

.set-meta-field {
    display: block;
    margin-bottom: 0.6rem;
}

.set-meta-field input,
.set-meta-field textarea {
    width: 100%;
    border: 0;
    border-radius: 8px;
    background: var(--surface);
    color: white;
    font: inherit;
    font-size: 1.18rem;
    font-weight: 800;
    padding: 1.35rem 1.45rem;
}

.set-meta-field input {
    min-height: 70px;
}

.set-meta-field textarea {
    min-height: 74px;
    resize: vertical;
}

.set-meta-field input::placeholder,
.set-meta-field textarea::placeholder {
    color: #aeb8d6;
}

.set-meta-field input:focus,
.set-meta-field textarea:focus {
    outline: 3px solid rgba(66, 87, 255, 0.55);
}

.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;
}

.editor-toolbar {
    min-height: 82px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.toolbar-group {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    flex-wrap: wrap;
}

.pill-button,
.round-button {
    border: 0;
    background: var(--surface);
    color: white;
    font-weight: 800;
    cursor: pointer;
}

.pill-button {
    border-radius: 999px;
    padding: 0.9rem 1.45rem;
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
}

.pill-button span {
    font-size: 1.6rem;
    font-weight: 400;
    line-height: 0.7;
}

.toolbar-actions {
    gap: 0.8rem;
}

.round-button {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    font-size: 1.55rem;
}

.pill-button:hover,
.round-button:hover,
.done-button:hover,
.secondary-create-button:hover,
.primary-create-button:hover,
.visibility-pill:hover,
.add-card-button:hover,
.image-drop:hover {
    filter: brightness(1.08);
}

.suggestions-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    margin-right: 0.8rem;
    font-weight: 800;
    color: white;
}

.suggestions-toggle input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.toggle-ui {
    width: 43px;
    height: 21px;
    border-radius: 999px;
    background: #d7dcff;
    position: relative;
}

.toggle-ui::after {
    content: "";
    width: 25px;
    height: 25px;
    border-radius: 50%;
    background: #4257ff;
    position: absolute;
    right: -1px;
    top: 50%;
    transform: translateY(-50%);
}

.editor-cards {
    display: grid;
    gap: 1.9rem;
}

.editor-bottom-actions {
    min-height: 170px;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: start;
    gap: 1.5rem;
    padding: 3.6rem 0 0;
}

.add-card-actions {
    grid-column: 2;
    display: flex;
    align-items: center;
    gap: 0.9rem;
    flex-wrap: wrap;
    justify-content: center;
}

.add-card-button {
    border: 0;
    border-radius: 999px;
    background: var(--surface);
    color: white;
    cursor: pointer;
    font-size: 1.25rem;
    font-weight: 900;
    min-width: 188px;
    padding: 1.25rem 2rem;
}

.add-by-ai-button {
    background: #4257ff;
}

.bottom-create-actions {
    grid-column: 3;
    justify-self: end;
    align-self: end;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    flex-wrap: wrap;
}

.toolbar-panel {
    background: var(--surface);
    border-radius: 14px;
    margin-bottom: 1.25rem;
    padding: 1rem;
}

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

.toolbar-panel label {
    display: grid;
    gap: 0.5rem;
    color: #c8d1f5;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.85rem;
}

.toolbar-panel input {
    min-height: 48px;
    border: 0;
    border-radius: 8px;
    background: var(--surface-strong);
    color: white;
    padding: 0 1rem;
    font: inherit;
    outline: 0;
    text-transform: none;
    letter-spacing: 0;
}

.toolbar-panel input:focus {
    outline: 3px solid rgba(66, 87, 255, 0.55);
}

.diagram-preview {
    background: var(--surface);
    border-radius: 18px;
    margin-bottom: 1.9rem;
    min-height: 170px;
    padding: 1.5rem;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(180px, 320px) auto;
    gap: 1.5rem;
    align-items: center;
}

.diagram-preview[hidden] {
    display: none;
}

.diagram-preview p {
    color: #c8d1f5;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 0.25rem;
}

.diagram-preview h2 {
    color: white;
    font-size: 1.35rem;
}

.diagram-preview img {
    width: 100%;
    max-height: 150px;
    object-fit: contain;
    border-radius: 8px;
    background: var(--surface-strong);
}

.diagram-preview button,
.secondary-button,
.primary-button {
    border: 0;
    border-radius: 999px;
    cursor: pointer;
    font-weight: 900;
}

.diagram-preview button,
.secondary-button {
    background: var(--surface-soft);
    color: white;
    padding: 0.8rem 1rem;
}

.import-dialog {
    width: min(640px, calc(100% - 2rem));
    border: 0;
    border-radius: 18px;
    background: var(--surface);
    color: white;
    padding: 0;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
}

.import-dialog::backdrop {
    background: rgba(3, 2, 18, 0.7);
}

.import-dialog form {
    padding: 1.6rem;
}

.dialog-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.dialog-header h2 {
    font-size: 1.5rem;
}

.dialog-header button {
    border: 0;
    background: transparent;
    color: white;
    cursor: pointer;
    font-size: 1.8rem;
}

.import-dialog p {
    color: #c8d1f5;
    margin-bottom: 1rem;
}

.import-dialog textarea {
    width: 100%;
    resize: vertical;
    border: 0;
    border-radius: 10px;
    background: var(--surface-strong);
    color: white;
    padding: 1rem;
    font: inherit;
    min-height: 210px;
    outline: 0;
}

.import-dialog textarea:focus {
    outline: 3px solid rgba(66, 87, 255, 0.55);
}

.dialog-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.8rem;
    margin-top: 1rem;
}

.shortcut-list {
    display: grid;
    gap: 0.75rem;
}

.shortcut-list p {
    margin: 0;
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.8rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.shortcut-list strong {
    color: white;
}

.shortcut-list span {
    color: #c8d1f5;
}

.primary-button {
    background: #4257ff;
    color: white;
    padding: 0.8rem 1.2rem;
}

.toast {
    position: fixed;
    left: 50%;
    bottom: 1.5rem;
    transform: translateX(-50%);
    z-index: 20;
    background: #4257ff;
    color: white;
    border-radius: 999px;
    padding: 0.8rem 1.1rem;
    font-weight: 900;
    box-shadow: 0 14px 45px rgba(0, 0, 0, 0.35);
}

.toast[hidden] {
    display: none;
}

.editor-card {
    position: relative;
    background: var(--surface);
    border-radius: 18px;
    min-height: 199px;
    padding: 5rem 10.5rem 1.45rem 2rem;
    display: grid;
    grid-template-columns: minmax(220px, 1.1fr) minmax(220px, 0.9fr);
    gap: 1.9rem;
}

.card-number {
    position: absolute;
    left: 2rem;
    top: 1.35rem;
    font-size: 1.35rem;
    font-weight: 900;
    color: #dbe5ff;
}

.card-menu {
    position: absolute;
    right: 2.7rem;
    top: 1.55rem;
    display: flex;
    gap: 0.65rem;
    color: #eef2ff;
    font-weight: 900;
    font-size: 1.25rem;
}

.card-action-button {
    width: 34px;
    height: 34px;
    border: 0;
    border-radius: 50%;
    background: transparent;
    color: #eef2ff;
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: 900;
}

.card-action-button:hover {
    background: rgba(255, 255, 255, 0.12);
}

.editor-field {
    display: grid;
    gap: 0.85rem;
}

.editor-field input {
    min-height: 60px;
    border: 0;
    border-radius: 8px;
    background: var(--surface-strong);
    color: white;
    font-size: 1.25rem;
    font-weight: 800;
    padding: 0 1rem;
    width: 100%;
}

.editor-field input:focus {
    outline: 3px solid rgba(66, 87, 255, 0.55);
}

.editor-field input.duplicate-term-input {
    color: #ff6b6b;
}

.editor-field span {
    color: #eef2ff;
    font-weight: 900;
    font-size: 0.95rem;
}

.set-options-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2.4rem;
}

.set-language-field {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    color: #c8d1f5;
    font-weight: 800;
}

.set-language-field select {
    min-height: 44px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 999px;
    background: #27314d;
    color: white;
    cursor: pointer;
    font: inherit;
    font-weight: 800;
    padding: 0 2.4rem 0 1rem;
}

.set-language-field select:focus-visible {
    outline: 3px solid rgba(66, 87, 255, 0.55);
    outline-offset: 2px;
}

.editor-example-field {
    grid-column: 1 / -1;
}

.generate-example-button {
    justify-self: start;
    min-height: 38px;
    border: 0;
    border-radius: 999px;
    background: #4257ff;
    color: white;
    cursor: pointer;
    font: inherit;
    font-weight: 900;
    padding: 0 1rem;
}

.generate-example-button:disabled {
    cursor: wait;
    opacity: 0.65;
}

.editor-suggestions {
    display: grid;
    gap: 0.65rem;
    margin-top: 1.15rem;
}

.editor-suggestions[hidden] {
    display: none;
}

.editor-suggestion-button {
    width: 100%;
    min-height: 48px;
    border: 1px solid #d7def6;
    border-radius: 8px;
    background: transparent;
    color: white;
    cursor: pointer;
    font: inherit;
    font-size: 1rem;
    font-weight: 900;
    padding: 0 1.25rem;
    text-align: left;
}

.editor-suggestion-button:hover,
.editor-suggestion-button:focus,
.editor-suggestion-button.is-active {
    background: rgba(255, 255, 255, 0.08);
    outline: none;
}

.editor-suggestion-button.is-active {
    border-color: #8fa2ff;
}

.image-drop {
    position: absolute;
    right: 2rem;
    bottom: 2.75rem;
    width: 105px;
    height: 75px;
    border: 2px dashed #d7def6;
    background: transparent;
    color: #f8f9ff;
    display: grid;
    place-items: center;
    align-content: center;
    gap: 0.2rem;
    font-weight: 800;
    cursor: pointer;
}

.image-drop.has-image {
    overflow: hidden;
    padding: 0;
}

.image-drop img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    inset: 0;
    opacity: 0.78;
}

.image-drop.has-image strong {
    position: relative;
    z-index: 1;
    background: rgba(7, 5, 34, 0.78);
    border-radius: 999px;
    padding: 0.3rem 0.55rem;
}

.empty-editor-state {
    background: var(--surface);
    border-radius: 18px;
    padding: 2rem;
    color: white;
    text-align: center;
}

.empty-editor-state h2 {
    margin-bottom: 0.4rem;
}

.empty-editor-state p {
    color: #c8d1f5;
}

.image-icon {
    font-size: 1.55rem;
    line-height: 1;
}

@media (max-width: 900px) {
    .editor-topbar {
        padding: 0 1rem;
    }

    .set-meta-heading {
        align-items: flex-start;
        flex-direction: column;
    }

    .set-create-actions {
        width: 100%;
    }

    .secondary-create-button,
    .primary-create-button {
        flex: 1 1 180px;
    }

    .visibility-pill {
        margin-bottom: 1.4rem;
    }

    .editor-bottom-actions {
        grid-template-columns: 1fr;
        min-height: auto;
        padding-top: 2rem;
    }

    .add-card-actions,
    .bottom-create-actions {
        grid-column: 1;
        justify-self: stretch;
    }

    .add-card-actions {
        display: grid;
        grid-template-columns: 1fr;
    }

    .add-card-button {
        width: 100%;
    }

    .bottom-create-actions {
        justify-content: stretch;
    }

    .editor-toolbar {
        align-items: flex-start;
        flex-direction: column;
        padding: 1rem 0;
    }

    .editor-card {
        grid-template-columns: 1fr;
        padding: 4.7rem 1rem 7.3rem;
    }

    .diagram-preview {
        grid-template-columns: 1fr;
    }

    .card-number {
        left: 1rem;
    }

    .card-menu {
        right: 1rem;
    }

    .image-drop {
        left: 1rem;
        right: auto;
        bottom: 1rem;
    }
}

.words-page {
    min-height: 100vh;
    background: #f5f5f5;
    color: #111;
}

.words-header {
    height: 54px;
    background: #bd0c12;
    color: white;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
}

.words-header .brand {
    font-size: 1.55rem;
    font-weight: 500;
}

.words-nav {
    display: flex;
    gap: 1.4rem;
}

.words-nav a {
    color: white;
    text-decoration: none;
    font-weight: 700;
}

.words-layout {
    display: grid;
    grid-template-columns: 238px minmax(0, 1fr);
    min-height: calc(100vh - 54px);
}

.words-sidebar {
    background: #222;
    color: white;
    padding: 1.55rem 0;
}

.words-side-link,
.words-side-button {
    width: 100%;
    min-height: 56px;
    border: 0;
    background: transparent;
    color: white;
    display: flex;
    align-items: center;
    padding: 0 1.55rem;
    font-size: 1.6rem;
    text-align: left;
    text-decoration: none;
    cursor: pointer;
}

.words-side-link.active,
.words-side-button.active {
    background: #bd0c12;
}

.words-side-link:not(.active) span,
.words-side-button span {
    border-bottom: 1px solid rgba(255, 255, 255, 0.55);
}

.words-main {
    padding: 1.7rem 1.55rem 3rem;
}

.words-titlebar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.words-titlebar h1 {
    font-size: clamp(1.9rem, 3vw, 2.45rem);
    color: #111;
    line-height: 1.1;
}

.text-loader-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(280px, 500px));
    gap: 1.55rem;
    align-items: start;
}

.text-loader-card {
    background: white;
    border: 3px solid #bd0c12;
    border-radius: 11px;
    padding: 1.55rem;
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.03);
}

.text-loader-card-wide {
    grid-column: 1 / span 2;
    max-width: 500px;
}

.text-loader-card h2 {
    font-size: 1.6rem;
    margin-bottom: 1.25rem;
}

.text-loader-card p {
    color: #7f7f7f;
    font-size: 1rem;
    line-height: 1.4;
    margin-top: 0.9rem;
}

.text-loader-field input,
.text-loader-card > input,
.text-loader-card textarea {
    width: 100%;
    border: 1px solid #aaa;
    border-radius: 4px;
    box-shadow: inset 0 1px 5px rgba(0, 0, 0, 0.22);
    font: inherit;
    font-size: 1.2rem;
    padding: 0.55rem;
}

.text-loader-card textarea {
    min-height: 220px;
    margin-top: 1rem;
    resize: vertical;
}

.green-action-button {
    border: 0;
    border-radius: 6px;
    background: #43b547;
    color: white;
    cursor: pointer;
    font-size: 1.15rem;
    margin-top: 1.15rem;
    padding: 0.75rem 1.05rem;
}

.file-drop {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    cursor: pointer;
}

.file-drop input {
    max-width: 245px;
}

.text-loader-actions {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.words-results {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 400px;
    gap: 2rem;
    margin-top: 2rem;
}

.words-results[hidden] {
    display: none;
}

.my-texts-panel {
    margin-top: 2rem;
    max-width: 980px;
}

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

.my-texts-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
}

.my-texts-heading h2 {
    color: #111;
    font-size: 2rem;
}

.my-texts-list {
    display: grid;
    gap: 1rem;
}

.saved-text-card {
    background: white;
    border-left: 6px solid #bd0c12;
    border-radius: 8px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 1.25rem;
    padding: 1.15rem 1.25rem;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.saved-text-card h3 {
    color: #111;
    font-size: 1.35rem;
    margin-bottom: 0.35rem;
}

.saved-text-card p {
    color: #666;
    line-height: 1.4;
}

.saved-text-meta {
    color: #bd0c12;
    font-weight: 800;
    margin-bottom: 0.25rem;
}

.saved-text-actions {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.saved-text-actions .green-action-button {
    margin-top: 0;
}

.danger-text-button {
    border: 0;
    border-radius: 999px;
    background: #bd0c12;
    color: white;
    cursor: pointer;
    font-weight: 900;
    padding: 0.9rem 1.2rem;
}

.words-list-panel {
    background: white;
    padding: 1.4rem 0;
}

.words-tabs {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0 1.55rem 1.35rem;
}

.words-tabs button {
    border: 0;
    border-bottom: 2px solid transparent;
    background: transparent;
    color: #111;
    cursor: pointer;
    font: inherit;
    font-size: 1.1rem;
    padding: 0.3rem 0;
}

.words-tabs button.active {
    border-color: #bd0c12;
    color: #bd0c12;
    font-weight: 800;
}

.word-list {
    display: grid;
    gap: 1.6rem;
}

.word-row {
    display: grid;
    grid-template-columns: 138px minmax(0, 1fr) 70px;
    gap: 1.1rem;
    align-items: start;
    padding: 0 1.55rem;
}

.empty-word-row {
    grid-template-columns: 1fr;
}

.word-status-controls {
    display: flex;
    gap: 1.1rem;
    padding-top: 0.2rem;
}

.word-status-controls button {
    width: 36px;
    height: 36px;
    border: 1px solid #aaa;
    border-radius: 50%;
    background: white;
    cursor: pointer;
}

.word-status-controls button.active {
    box-shadow: inset 0 0 0 7px white;
}

.word-status-controls button[data-word-status="new"].active {
    background: #2dac37;
}

.word-status-controls button[data-word-status="study"].active {
    background: #c2a300;
}

.word-status-controls button[data-word-status="known"].active {
    background: #050505;
}

.word-copy p {
    font-size: 1.25rem;
    margin-bottom: 0.7rem;
}

.word-copy strong {
    font-weight: 900;
}

.part-label {
    color: #777;
    margin-right: 0.25rem;
}

.word-copy small {
    display: block;
    color: #111;
    font-size: 1rem;
    line-height: 1.4;
}

.word-transcription {
    color: #666;
    margin-right: 0.8rem;
}

.word-alternatives {
    color: #6f5500;
    font-weight: 700;
}

.word-frequency {
    border: 0;
    border-bottom: 1px dotted #777;
    background: transparent;
    cursor: pointer;
    font: inherit;
    font-size: 1.1rem;
    justify-self: end;
}

.words-settings-panel {
    align-self: start;
    background: #fff6c7;
    border: 1px solid #f0b33d;
    border-radius: 6px;
    overflow: hidden;
}

.words-settings-panel h2 {
    background: #ffe778;
    font-size: 1.55rem;
    font-weight: 500;
    padding: 1rem 1.5rem;
}

.words-total {
    padding: 1.05rem 1.5rem 0.55rem;
    font-size: 1.15rem;
    font-weight: 800;
}

.words-stat-bar {
    display: grid;
    grid-template-columns: 1fr 0.55fr 0.55fr;
    margin: 0 1.5rem 1.15rem;
    border: 1px solid #222;
    border-radius: 4px;
    overflow: hidden;
    text-align: center;
}

.words-stat-bar span {
    color: white;
    padding: 0.25rem 0.4rem;
}

.words-stat-bar .new {
    background: #008f08;
}

.words-stat-bar .study {
    background: #f0c400;
    color: #111;
}

.words-stat-bar .known {
    background: white;
    color: #111;
}

.settings-field {
    display: grid;
    gap: 0.45rem;
    padding: 0.65rem 1.5rem;
    color: #a77a00;
    font-size: 1rem;
}

.settings-field input,
.settings-field select {
    width: 100%;
    border: 1px solid #c8c8c8;
    border-radius: 6px;
    background: white;
    box-shadow: 0 1px 6px rgba(0, 0, 0, 0.22);
    color: #111;
    font: inherit;
    padding: 0.55rem 0.75rem;
}

.translate-missing-button {
    width: calc(100% - 3rem);
    border: 0;
    border-radius: 999px;
    background: #bd0c12;
    color: white;
    cursor: pointer;
    font-weight: 900;
    margin: 1rem 1.5rem 1.4rem;
    padding: 0.9rem 1rem;
}

.translate-missing-button:disabled {
    cursor: wait;
    opacity: 0.65;
}

@media (max-width: 1000px) {
    .words-layout,
    .words-results {
        grid-template-columns: 1fr;
    }

    .words-sidebar {
        display: flex;
        overflow-x: auto;
        padding: 0;
    }

    .words-side-link,
    .words-side-button {
        width: auto;
        white-space: nowrap;
    }

    .text-loader-grid {
        grid-template-columns: 1fr;
    }

    .text-loader-card-wide {
        grid-column: auto;
        max-width: none;
    }

    .word-row {
        grid-template-columns: 1fr;
    }

    .my-texts-heading,
    .saved-text-card {
        grid-template-columns: 1fr;
    }

    .my-texts-heading {
        align-items: flex-start;
    }

    .saved-text-actions {
        justify-content: flex-start;
    }

    .word-frequency {
        justify-self: start;
    }
}

/* Dark Quizlet-like words page theme */
.words-page {
    background: #090721;
    color: #f8f9ff;
}

.words-header {
    min-height: 64px;
    height: auto;
    background: #090721;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    padding: 0 clamp(1.25rem, 5vw, 4rem);
}

.words-header .brand {
    font-size: 1.75rem;
    font-weight: 900;
}

.words-nav a {
    color: #c8d1ff;
}

.words-nav a:hover {
    color: white;
}

.words-layout {
    grid-template-columns: 240px minmax(0, 1fr);
    min-height: calc(100vh - 64px);
}

.words-sidebar {
    background: #090721;
    border-right: 1px solid rgba(255, 255, 255, 0.12);
    padding: 1.25rem 1rem;
}

.words-side-link,
.words-side-button {
    min-height: 48px;
    border-radius: 10px;
    color: #c8d1f5;
    font-size: 1rem;
    font-weight: 900;
    padding: 0 1rem;
}

.words-side-link.active,
.words-side-button.active {
    background: #303b5b;
    color: white;
}

.words-side-link:not(.active) span,
.words-side-button span {
    border-bottom: 0;
}

.words-main {
    width: min(1280px, 100%);
    padding: 2rem clamp(1rem, 4vw, 3rem) 3rem;
}

.words-titlebar {
    margin-bottom: 2rem;
}

.words-titlebar h1,
.my-texts-heading h2 {
    color: white;
}

.words-page .eyebrow {
    color: #a8b2ff;
}

.text-loader-grid {
    grid-template-columns: repeat(2, minmax(260px, 1fr));
}

.text-loader-card {
    background: #303b5b;
    border: 0;
    border-radius: 14px;
    box-shadow: 0 20px 48px rgba(0, 0, 0, 0.22);
}

.text-loader-card-wide {
    grid-column: 1 / -1;
    max-width: none;
}

.text-loader-card h2 {
    color: white;
}

.text-loader-card p,
.saved-text-card p,
.word-copy small {
    color: #c8d1f5;
}

.text-loader-field input,
.text-loader-card > input,
.text-loader-card textarea,
.settings-field input,
.settings-field select {
    border: 0;
    border-radius: 8px;
    background: #070522;
    box-shadow: none;
    color: white;
}

.text-loader-card textarea {
    min-height: 260px;
}

.text-loader-field input::placeholder,
.text-loader-card > input::placeholder,
.text-loader-card textarea::placeholder,
.settings-field input::placeholder {
    color: #9aa6c8;
}

.green-action-button {
    border-radius: 999px;
    background: #4257ff;
    font-weight: 900;
}

.words-results {
    grid-template-columns: minmax(0, 1fr) 340px;
}

.words-list-panel,
.words-settings-panel,
.saved-text-card {
    background: #303b5b;
    border: 0;
    border-radius: 14px;
    box-shadow: 0 20px 48px rgba(0, 0, 0, 0.22);
}

.words-list-panel {
    padding: 1.4rem 0 1.8rem;
}

.words-tabs button {
    color: #c8d1f5;
}

.words-tabs button.active {
    border-color: #4257ff;
    color: white;
}

.word-row {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.2rem;
}

.word-row:first-child {
    border-top: 0;
}

.word-status-controls button {
    border-color: #d7def6;
    background: transparent;
}

.word-status-controls button.active {
    box-shadow: inset 0 0 0 7px #303b5b;
}

.word-copy p,
.saved-text-card h3,
.words-settings-panel h2,
.words-total {
    color: white;
}

.part-label,
.word-transcription {
    color: #9aa6c8;
}

.word-alternatives {
    color: #a8b2ff;
}

.word-frequency {
    color: white;
    border-bottom-color: #a8b2ff;
}

.words-settings-panel h2 {
    background: #242c48;
}

.words-stat-bar {
    border: 0;
    background: #070522;
}

.settings-field {
    color: #a8b2ff;
    font-weight: 900;
}

.translate-missing-button,
.danger-text-button {
    background: #4257ff;
}

.saved-text-card {
    border-left: 0;
}

.saved-text-meta {
    color: #a8b2ff;
}

@media (max-width: 1000px) {
    .words-header {
        align-items: flex-start;
        flex-direction: column;
        padding: 1rem;
    }

    .words-nav {
        flex-wrap: wrap;
    }

    .words-layout,
    .words-results,
    .text-loader-grid {
        grid-template-columns: 1fr;
    }
}