@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
    --radius: 16px;
    --radius-sm: 10px;
    --font: \'Inter\', system-ui, -apple-system, sans-serif;
    --transition: 0.25s cubic-bezier(.4,0,.2,1);

    /* Light theme */
    --bg: #f4f6fb;
    --bg-grad: radial-gradient(1200px 600px at 80% -10%, #dbeafe 0%, transparent 60%),
    radial-gradient(900px 500px at -10% 30%, #e0e7ff 0%, transparent 55%);
    --surface: #F7F7F7;
    --surface-2: #f8fafc;
    --border: #b1c2d7;
    --border-of-lists: #ffffff;
    --text: #0f172a;
    --text-2: #475569;
    --text-3: #94a3b8;
    --accent: #2f80ed;
    --accent-soft: #e8f1ff;
    --accent-text: #1763cc;
    --no-dict: #7d8494;
    --green: #059669;
    --green-soft: #ecfdf5;
    --amber: #d97706;
    --amber-soft: #fffbeb;
    --shadow: 0 1px 3px rgba(15,23,42,.06), 0 8px 24px -8px rgba(15,23,42,.10);
    --shadow-lg: 0 4px 12px rgba(15,23,42,.08), 0 20px 40px -12px rgba(15,23,42,.18);
}

html[data-theme="dark"] {
    --bg: #0b1020;
    --bg-grad: radial-gradient(1200px 600px at 80% -10%, rgba(79,70,229,.18) 0%, transparent 60%),
    radial-gradient(900px 500px at -10% 30%, rgba(16,185,129,.10) 0%, transparent 55%);
    --surface: #131a2e;
    --surface-2: #1a2238;
    --border: #3f4760;
    --border-of-lists: #3f4057;
    --text: #e6eaf4;
    --text-2: #9aa6c3;
    --text-3: #5d6a8c;
    --accent: #5b9bf5;
    --accent-soft: rgba(91, 155, 245, .14);
    --accent-text: #a8ccf5;

    --green: #34d399;
    --green-soft: rgba(52,211,153,.12);
    --amber: #fbbf24;
    --amber-soft: rgba(234, 79, 79, 0.12);
    --shadow: 0 1px 3px rgba(0,0,0,.4), 0 8px 24px -8px rgba(0,0,0,.5);
    --shadow-lg: 0 4px 12px rgba(0,0,0,.45), 0 20px 40px -12px rgba(0,0,0,.6);
}

html[data-theme="dark"] .color7 {
    color: var(--text);
}

/* ============ BASE ============ */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font), serif;
    background: var(--bg);
    background-image: var(--bg-grad);
    background-attachment: fixed;
    color: var(--text);
    transition: background var(--transition), color var(--transition);
    min-height: 100vh;
}
a { color: var(--accent-text); text-decoration: none; }

/* ============ HEADER ============ */
.topbar {
    position: sticky; top: 0; z-index: 50;
    backdrop-filter: blur(14px);
    background: color-mix(in srgb, var(--surface) 78%, transparent);
    border-bottom: 1px solid var(--border);
    transition: background var(--transition);
}
.topbar-inner {
    max-width: 1100px; margin: 0 auto;
    display: flex; align-items: center; gap: 14px;
    padding: 12px 20px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 17px; }
.brand .logo {
    width: 38px; height: 38px; border-radius: 12px;
    background: linear-gradient(135deg, var(--accent), #06b6d4);
    display: grid; place-items: center; font-size: 19px; color: #fff;
    box-shadow: var(--shadow);
}
.lang-pill {
    font-size: 13px; font-weight: 600;
    padding: 5px 12px; border-radius: 999px;
    background: var(--accent-soft); color: var(--accent-text);
}
.topbar .spacer { flex: 1; }

.search {
    position: relative; display: none;
}

.search input {
    width: 220px; padding: 9px 14px 9px 36px;
    border-radius: 999px; border: 1px solid var(--border);
    background: var(--surface-2); color: var(--text);
    font: inherit; font-size: 14px; outline: none;
    transition: all var(--transition);
}
.search input:focus { border-color: var(--accent); width: 280px; }
.search svg { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); width: 16px; height: 16px; stroke: var(--text-3); }

/* Daily progress ring */
.ring-wrap { position: relative; width: 60px; height: 60px; cursor: pointer; }
.ring-wrap svg { transform: rotate(-90deg); }
.ring-bg { fill: none; stroke: var(--border); stroke-width: 4; }
.ring-fg { fill: none; stroke: var(--green); stroke-width: 4; stroke-linecap: round; transition: stroke-dashoffset 1s ease; }
.ring-label {
    position: absolute; inset: 0; display: grid; place-items: center;
    font-size: 11px; font-weight: 700; color: var(--text);
}

.theme-toggle {
    width: 44px; height: 44px; border-radius: 12px;
    border: 1px solid var(--border); background: var(--surface);
    cursor: pointer; display: grid; place-items: center;
    transition: all var(--transition); color: var(--text);
}
.theme-toggle:hover { border-color: var(--accent); transform: translateY(-1px); }
.theme-toggle svg { width: 20px; height: 20px; }
html[data-theme="dark"] .icon-sun { display: block; }
html[data-theme="dark"] .icon-moon { display: none; }

.icon-sun { display: none; }
.icon-moon { display: block; }

.hero {
    display: grid; gap: 20px;
    grid-template-columns: 1fr;
    margin: 28px 0;
}
@media (min-width: 880px) { .hero { grid-template-columns: 1.6fr 1fr; } }

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 26px;
    transition: background var(--transition), border var(--transition);
}

.hero-greet h1 { font-size: 26px; font-weight: 800; letter-spacing: -.02em; }
.hero-greet .sub { color: var(--text-2); margin-top: 4px; font-size: 15px; }
.streak-warn {
    margin-top: 16px; padding: 12px 16px; border-radius: var(--radius-sm);
    background: var(--amber-soft); color: var(--amber);
    font-size: 14px; font-weight: 500;
    display: flex; align-items: center; gap: 10px;
}
.streak-warn a { color: inherit; font-weight: 700; text-decoration: underline; }
.reward-line { margin-top: 14px; font-size: 14px; color: var(--text-2); }
.reward-line strong { color: var(--text); }

.stat-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }
.stat-chip {
    flex: 1; min-width: 110px;
    background: var(--surface-2); border: 1px solid var(--border);
    border-radius: var(--radius-sm); padding: 12px 16px;
    transition: transform var(--transition);
}
.stat-chip:hover { transform: translateY(-2px); }
.stat-chip .num { font-size: 22px; font-weight: 800; }
.stat-chip .lbl { font-size: 12px; color: var(--text-3); font-weight: 600; text-transform: uppercase; letter-spacing: .05em; }

.fluency { display: flex; flex-direction: column; align-items: center; text-align: center; }
.fluency-ring { position: relative; width: 150px; height: 150px; margin-bottom: 14px; }
.fluency-ring svg { transform: rotate(-90deg); }
.fluency-ring .pct { position: absolute; inset: 0; display: grid; place-items: center; }
.fluency-ring .pct .big { font-size: 28px; font-weight: 800; line-height: 1; }
.fluency-ring .pct .small { font-size: 11px; color: var(--text-3); font-weight: 600; text-transform: uppercase; letter-spacing: .08em; margin-top: 4px; }
.fluency p { font-size: 13px; color: var(--text-2); max-width: 260px; }
.fluency .stage { font-size: 36px; margin-bottom: 4px; }

.section-title {
    font-size: 13px; font-weight: 700; text-transform: uppercase;
    letter-spacing: .1em; color: var(--text-3);
    margin: 36px 0 14px; display: flex; align-items: center; gap: 10px;
}
.section-title::after { content: \'\'; flex: 1; height: 1px; background: var(--border); }

.actions { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
.action {
    display: flex; flex-direction: column; gap: 8px;
    padding: 18px 16px; border-radius: var(--radius-sm);
    background: var(--surface); border: 1px solid var(--border);
    font-weight: 600; font-size: 14px; color: var(--text);
    transition: all var(--transition); cursor: pointer;
    box-shadow: var(--shadow);
}
.action:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: var(--accent); text-decoration: none; }
.action .emoji { font-size: 22px; }

.sod-header { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; margin-bottom: 18px; }
.badge {
    font-size: 11px; font-weight: 700; text-transform: uppercase;
    letter-spacing: .08em; padding: 4px 10px; border-radius: 999px;
    background: var(--accent-soft); color: var(--accent-text);
}
.card h2 { font-size: 18px; font-weight: 700; letter-spacing: -.01em; }

.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 9px 18px; border-radius: 999px;
    border: 1px solid var(--border); background: var(--surface-2);
    color: var(--text); font: inherit; font-size: 14px; font-weight: 600;
    cursor: pointer; transition: all var(--transition);
}
.btn:hover { border-color: var(--accent); color: var(--accent-text); text-decoration: none; transform: translateY(-1px); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { filter: brightness(1.1); color: #fff; }
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }

.rank-grid { display: grid; gap: 20px; grid-template-columns: 1fr; }
@media (min-width: 720px) { .rank-grid { grid-template-columns: 1fr 1fr; } }
.rank-list { list-style: none; }
.rank-list li {
    display: flex; align-items: center; gap: 12px;
    padding: 10px 12px; border-radius: var(--radius-sm);
    transition: background var(--transition);
}
.rank-list li:hover { background: var(--surface-2); }
.rank-pos { width: 28px; text-align: center; font-size: 16px; }
.rank-pos.n { font-size: 13px; font-weight: 700; color: var(--text-3); }
.rank-name { flex: 1; font-weight: 600; font-size: 14px; }
.rank-score { font-weight: 700; font-size: 14px; color: var(--accent-text); font-variant-numeric: tabular-nums; }

.pot {
    display: flex; align-items: center; gap: 20px; flex-wrap: wrap;
    background: linear-gradient(135deg, var(--accent-soft), transparent);
}
.pot .coin { font-size: 44px; }
.pot .pot-info { flex: 1; min-width: 200px; }
.pot .pot-num { font-size: 26px; font-weight: 800; }
.pot .pot-lbl { font-size: 12px; color: var(--text-3); font-weight: 600; text-transform: uppercase; letter-spacing: .06em; }
#countdown { font-variant-numeric: tabular-nums; font-weight: 800; font-size: 26px; color: var(--accent-text); }

.essay-form input[type="text"], .essay-form textarea, .essay-form select {
    width: 100%; padding: 12px 14px; margin-top: 6px;
    border-radius: var(--radius-sm); border: 1px solid var(--border);
    background: var(--surface-2); color: var(--text);
    font: inherit; font-size: 14px; outline: none; resize: vertical;
    transition: border var(--transition);
}
.essay-form input:focus, .essay-form textarea:focus, .essay-form select:focus { border-color: var(--accent); }
.essay-form label { font-size: 13px; font-weight: 600; color: var(--text-2); display: block; margin-top: 16px; }
.topic-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.topic-chip {
    font-size: 13px; padding: 6px 14px; border-radius: 999px;
    background: var(--surface-2); border: 1px solid var(--border);
    cursor: pointer; transition: all var(--transition); color: var(--text-2);
}
.topic-chip:hover { border-color: var(--accent); color: var(--accent-text); }

.tip { display: flex; gap: 14px; align-items: flex-start; }
.tip .bulb { font-size: 24px; }
.tip p { font-size: 14px; color: var(--text-2); }

footer { text-align: center; margin-top: 60px; font-size: 13px; color: var(--text-3); }

.reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; transition: none; }
}

input[type="text"],
input[type="submit"],
input[type="password"],
textarea,
select {
    background: var(--surface-2);
    color: var(--text);
    border: 1px solid var(--border);
    font-family: var(--font);
    font-size: 14px;
    padding: 10px 12px;
}

table.pastel {
    background: var(--surface-2) !important;
    border-color: var(--border-of-lists) !important;
}

table[bgcolor] {
    background-color: var(--surface-2) !important;
}

table.pastel td {
    padding: 20px 24px !important;
}

input[type="submit"] {
    cursor: pointer;
    padding: 8px 20px;
}

input[type="submit"]:hover {
    background: var(--accent) !important;
    color: #fff !important;
    border-color: var(--accent) !important;
}

input[type="submit"] {
    cursor: pointer;
    padding: 8px 20px;
    background: var(--accent) !important;
    color: #fff !important;
    border-color: var(--accent) !important;
    border-radius: 999px !important;
    font-weight: 600 !important;
    transition: all var(--transition) !important;
}

input[type="submit"]:hover {
    filter: brightness(1.1) !important;
}

input[type="submit"],
input[type="button"],
button:not(.theme-toggle) {
    cursor: pointer;
    padding: 8px 20px;
    background: var(--accent) !important;
    color: #fff !important;
    border-color: var(--accent) !important;
    border-radius: 999px !important;
    font-weight: 600 !important;
    transition: all var(--transition) !important;
}

input[type="submit"]:hover,
input[type="button"]:hover,
button:not(.theme-toggle):hover {
    filter: brightness(1.1) !important;
    text-decoration: none !important;
}

.d-container { max-width: 1100px; margin: 0 auto; padding: 0 20px 80px; }

/* ---- section heading ---- */
.d-section-title {
    font-size: 13px; font-weight: 700; text-transform: uppercase;
    letter-spacing: .1em; color: var(--text-3);
    margin: 36px 0 14px; display: flex; align-items: center; gap: 10px;
}
.d-section-title::after { content: ""; flex: 1; height: 1px; background: var(--border); }

/* ---- card ---- */
.d-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 26px;
    margin-bottom: 20px;
    transition: background var(--transition), border var(--transition);
}

/* ---- hero grid ---- */
.d-hero { display: grid; gap: 20px; grid-template-columns: 1fr; margin: 28px 0; }
@media (min-width: 880px) { .d-hero { grid-template-columns: 1.6fr 1fr; } }

.d-hero-greet h1 { font-size: 26px; font-weight: 800; letter-spacing: -.02em; }
.d-hero-greet .d-sub { color: var(--text-2); margin-top: 4px; font-size: 15px; }

/* ---- alert banners ---- */
.d-alert {
    margin-top: 16px; padding: 12px 16px; border-radius: var(--radius-sm);
    font-size: 14px; font-weight: 500;
    display: flex; align-items: flex-start; gap: 10px;
}
.d-alert-amber { background: var(--amber-soft); color: var(--amber); }
.d-alert a { color: inherit; font-weight: 700; text-decoration: underline; }

/* ---- stat chips ---- */
.d-stat-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }
.d-stat-chip {
    flex: 1; min-width: 110px;
    background: var(--surface-2); border: 1px solid var(--border);
    border-radius: var(--radius-sm); padding: 12px 16px;
    transition: transform var(--transition);
}
.d-stat-chip:hover { transform: translateY(-2px); }
.d-stat-chip .d-num { font-size: 22px; font-weight: 800; color: var(--text); }
.d-stat-chip .d-lbl { font-size: 12px; color: var(--text-3); font-weight: 600; text-transform: uppercase; letter-spacing: .05em; }

/* ---- fluency panel ---- */

.d-fluency {
    display: flex; flex-direction: column; align-items: center; text-align: center;
    justify-content: center;
}

.d-fluency .d-fluency-pct { font-size: 28px; font-weight: 800; color: var(--text); }
.d-fluency .d-fluency-lbl { font-size: 11px; color: var(--text-3); font-weight: 600; text-transform: uppercase; letter-spacing: .08em; }
.d-fluency p { font-size: 13px; color: var(--text-2); max-width: 260px; margin-top: 8px; }

/* ---- reward line ---- */
.d-reward { margin-top: 14px; font-size: 14px; color: var(--text-2); }
.d-reward strong { color: var(--text); }

/* ---- buttons ---- */
.d-btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 9px 18px; border-radius: 999px;
    border: 1px solid var(--border); background: var(--surface-2);
    color: var(--text); font-family: var(--font); font-size: 14px; font-weight: 600;
    cursor: pointer; transition: all var(--transition); text-decoration: none;
}
.d-btn:hover { border-color: var(--accent); color: var(--accent-text); text-decoration: none; transform: translateY(-1px); }
.d-btn.d-btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.d-btn.d-btn-primary:hover { filter: brightness(1.1); color: #fff; }
.d-btn.d-btn-sm { padding: 6px 14px; font-size: 13px; }
.d-btn-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }

/* ---- quick actions grid ---- */
.d-actions { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); margin-bottom: 20px; }
.d-action {
    display: flex; flex-direction: column; gap: 6px;
    padding: 18px 16px; border-radius: var(--radius-sm);
    background: var(--surface); border: 1px solid var(--border);
    font-weight: 600; font-size: 14px; color: var(--text);
    transition: all var(--transition); cursor: pointer;
    box-shadow: var(--shadow); text-decoration: none;
}
.d-action:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: var(--accent); text-decoration: none; color: var(--text); }
.d-action .d-emoji { font-size: 22px; }

/* ---- rankings ---- */
.d-rank-grid { display: grid; gap: 20px; grid-template-columns: 1fr; margin-bottom: 20px; }
@media (min-width: 720px) { .d-rank-grid { grid-template-columns: 1fr 1fr; } }
.d-rank-list { list-style: none; margin-top: 12px; }
.d-rank-list li {
    display: flex; align-items: center; gap: 12px;
    padding: 10px 12px; border-radius: var(--radius-sm);
    transition: background var(--transition);
}
.d-rank-list li:hover { background: var(--surface-2); }
.d-rank-pos { width: 32px; text-align: center; font-size: 18px; }
.d-rank-pos.d-n { font-size: 13px; font-weight: 700; color: var(--text-3); }
.d-rank-name { flex: 1; font-weight: 600; font-size: 22px; }
.d-rank-name.d-me { color: var(--accent-text); font-weight: 700; }
.d-rank-score { font-weight: 700; font-size: 14px; color: var(--accent-text); font-variant-numeric: tabular-nums; }

/* ---- coin pot ---- */
.d-pot {
    display: flex; align-items: center; gap: 24px; flex-wrap: wrap;
    background: linear-gradient(135deg, var(--accent-soft), transparent);
}
.d-pot .d-coin { font-size: 44px; }
.d-pot .d-pot-info { flex: 1; min-width: 180px; }
.d-pot .d-pot-num { font-size: 24px; font-weight: 800; color: var(--text); }
.d-pot .d-pot-lbl { font-size: 12px; color: var(--text-3); font-weight: 600; text-transform: uppercase; letter-spacing: .06em; margin-top: 2px; }
#countDown { font-variant-numeric: tabular-nums; font-weight: 800; font-size: 24px; color: var(--accent-text); }

/* ---- word/sentence of day ---- */
.d-wod-word { font-size: 40px; font-weight: 800; color: var(--text); line-height: 1.2; margin-bottom: 6px; }
.d-wod-trans { font-size: 25px; color: var(--text-2); font-style: italic; padding-left: 14px; border-left: 3px solid var(--accent); margin: 10px 0; }
.d-badge {
    display: inline-block; font-size: 11px; font-weight: 700; text-transform: uppercase;
    letter-spacing: .08em; padding: 4px 10px; border-radius: 999px;
    background: var(--accent-soft); color: var(--accent-text); margin-bottom: 14px;
}

/* ---- essay form ---- */
.d-essay-form label { font-size: 13px; font-weight: 600; color: var(--text-2); display: block; margin-top: 16px; margin-bottom: 4px; }
.d-essay-form input[type="text"],
.d-essay-form textarea,
.d-essay-form select {
    width: 100%; padding: 11px 14px;
    border-radius: var(--radius-sm); border: 1px solid var(--border);
    background: var(--surface-2); color: var(--text);
    font-family: var(--font); font-size: 14px; outline: none; resize: vertical;
    transition: border var(--transition);
}
.d-essay-form input:focus,
.d-essay-form textarea:focus,
.d-essay-form select:focus { border-color: var(--accent); }

/* ---- theme toggle (floating) ---- */
.d-theme-btn {
    position: fixed; bottom: 24px; right: 24px; z-index: 99;
    width: 48px; height: 48px; border-radius: 50%;
    border: 1px solid var(--border); background: var(--surface);
    box-shadow: var(--shadow-lg); cursor: pointer;
    display: grid; place-items: center; color: var(--text);
    transition: all var(--transition); font-size: 20px;
}
.d-theme-btn:hover { transform: translateY(-2px); border-color: var(--accent); }

/* ---- caution/upgrade block ---- */
.d-upgrade-block {
    display: flex; gap: 20px; align-items: flex-start;
    padding: 20px; border-radius: var(--radius-sm);
    background: var(--amber-soft); border: 1px solid var(--amber);
    margin-bottom: 20px;
}
.d-upgrade-block img { width: 60px; flex-shrink: 0; }
.d-upgrade-block h3 { font-size: 16px; font-weight: 700; color: var(--amber); margin-bottom: 8px; }
.d-upgrade-block p { font-size: 14px; color: var(--text-2); margin-bottom: 12px; }

/* ---- whats new ---- */
.d-whats-new { font-size: 14px; color: var(--text-2); }

/* ---- countdown text ---- */
.d-time-left { font-size: 14px; color: var(--text-2); margin-top: 6px; }
.d-time-left span { font-weight: 700; color: var(--text); }

/* suppress old table/btn styles inside our cards */
.d-card table { border: none !important; background: transparent !important; }
.d-card td { background: transparent !important; border: none !important; padding: 0 !important; }

html[data-theme="dark"] table tr[bgcolor] {
    background-color: var(--surface) !important;
}

html[data-theme="dark"] table tr[bgcolor]:hover {
    background-color: var(--surface-2) !important;
}

html[data-theme="dark"] table.pastel[border="10"] {
    background-color: var(--surface) !important;
    border-color: var(--border) !important;
}

html[data-theme="dark"] table.pastel[border="10"] td {
    background-color: var(--surface-2) !important;
    color: var(--text) !important;
}

.logo-light {
    display: block;
}

.logo-dark {
    display: none;
}


html[data-theme="dark"] .logo-light {
    display: none;
}

html[data-theme="dark"] .logo-dark {
    display: block;
}

.whats_new_section {
    font-size: 1.15rem;
    font-weight: 800;
    margin: 14px 0 6px;
}

.whats_new ul {
    margin: 0 0 10px;
    padding-left: 0;
}

.whats_new li {
    list-style: none;
    position: relative;
    padding-left: 28px;
    margin: 4px 0;
}

/* star bullet */
.whats_new li::before {
    content: "★";
    position: absolute;
    left: 10px;
    top: 0.15em;
    font-size: 0.85rem;
    color: var(--accent);
}

div.parse {height:100px !important;}