:root {
    --bg: #16312f;
    --bg2: #1d3b38;
    --panel: #f8f8f4;
    --text: #1d2725;
    --muted: #66716e;
    --teal: #3e9a87;
    --teal-dark: #276f61;
    --gold: #d7a855;
    --line: #d7dedb;
    --green: #2f8a69;
    --red: #ba5057;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    min-height: 100vh;
    font-family: Arial, Helvetica, sans-serif;
    color: #fff;
    background: radial-gradient(circle at 10% 0, #2a4a46 0, transparent 32%), var(--bg);
}

button, input { font: inherit; }

.app {
    width: min(1200px, 94%);
    margin: auto;
    padding: 30px 0 60px;
}

.header {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 13px;
    margin-bottom: 24px;
}

.logo {
    width: 55px;
    height: 55px;
    display: grid;
    place-items: center;
    border: 1px solid #87a49f;
    border-radius: 13px;
    color: #a7ded3;
    background: #1b3532;
    font-family: Georgia, serif;
    font-size: 24px;
    font-weight: 800;
}

.header span,
.eyebrow {
    color: #a9ded4;
    font-size: 10px;
    font-weight: 850;
    letter-spacing: .15em;
}

.header h1 {
    margin: 2px 0 0;
    font-family: Georgia, serif;
    font-size: clamp(26px, 4vw, 40px);
}

.panel {
    color: var(--text);
    background: var(--panel);
    border: 1px solid rgba(255,255,255,.35);
    border-radius: 16px;
    box-shadow: 0 18px 45px rgba(0,0,0,.16);
}

.start-screen,
.result-screen {
    max-width: 850px;
    margin: auto;
    padding: 34px;
    text-align: center;
}

.start-screen .eyebrow,
.result-screen .eyebrow { color: var(--teal-dark); }

.start-screen h2,
.result-screen h2 {
    margin: 9px 0;
    font-family: Georgia, serif;
    font-size: clamp(28px, 5vw, 39px);
}

.start-screen > p,
.result-screen > p {
    max-width: 680px;
    margin: 10px auto 22px;
    color: var(--muted);
    line-height: 1.7;
}

.features {
    margin: 23px 0 29px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 7px;
}

.features span {
    padding: 7px 11px;
    border-radius: 999px;
    color: #4e615c;
    background: #e9efec;
    font-size: 11px;
}

.levels {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.level-btn {
    min-height: 125px;
    padding: 14px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    border: 1px solid #cbd6d2;
    border-radius: 12px;
    color: var(--text);
    background: #f0f3f1;
    cursor: pointer;
    transition: .2s;
}

.level-btn:hover { transform: translateY(-3px); border-color: var(--teal); }
.level-btn.featured { border-color: #a68b54; background: #f5efe4; }
.level-btn small { color: var(--teal-dark); font-size: 9px; font-weight: 900; letter-spacing: .1em; }
.level-btn strong { font-family: Georgia, serif; font-size: 19px; }
.level-btn span { color: var(--muted); font-size: 11px; }

.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 9px;
    margin-bottom: 10px;
}

.stats div {
    padding: 11px;
    text-align: center;
    border: 1px solid rgba(255,255,255,.14);
    border-radius: 9px;
    background: rgba(255,255,255,.05);
}

.stats small { display: block; color: #abc0bb; font-size: 8px; letter-spacing: .1em; }
.stats strong { display: block; margin-top: 4px; }

.progress {
    height: 6px;
    margin-bottom: 14px;
    overflow: hidden;
    border-radius: 10px;
    background: #0f2826;
}

#progressFill {
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, #60c5b1, var(--gold));
    transition: width .3s;
}

.game-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(360px, .92fr);
    gap: 15px;
    align-items: start;
}

.crossword-panel,
.clues-panel { padding: 22px; }

.panel-title {
    display: flex;
    justify-content: space-between;
    gap: 15px;
    align-items: flex-start;
    margin-bottom: 17px;
}

.panel-title span,
.clues-heading span {
    color: var(--teal-dark);
    font-size: 9px;
    font-weight: 900;
    letter-spacing: .12em;
}

.panel-title h2,
.clues-heading h2 {
    margin: 4px 0 0;
    font-family: Georgia, serif;
    font-size: 21px;
}

.text-button {
    padding: 7px 9px;
    border: 1px solid #cbd5d1;
    border-radius: 7px;
    color: #50605c;
    background: transparent;
    font-size: 10px;
    font-weight: 700;
    cursor: pointer;
}

.grid-scroll {
    overflow-x: auto;
    padding: 8px 0 12px;
}

.crossword-grid {
    width: max-content;
    margin: auto;
    display: grid;
    grid-template-columns: repeat(17, 28px);
    grid-template-rows: repeat(17, 28px);
    gap: 2px;
}

.cross-cell {
    position: relative;
    display: grid;
    place-items: center;
    border: 1px solid #9eaaa6;
    color: #17332e;
    background: #fff;
    font-family: Georgia, serif;
    font-size: 15px;
    font-weight: 800;
    text-transform: uppercase;
}

.cross-cell.empty {
    border-color: transparent;
    background: transparent;
}

.cross-cell.solved { background: #dff2ea; border-color: #83b9aa; }

.cell-number {
    position: absolute;
    top: 1px;
    left: 2px;
    color: #66736f;
    font-family: Arial, sans-serif;
    font-size: 6px;
    font-weight: 700;
}

.grid-note {
    margin: 10px 0 0;
    color: var(--muted);
    font-size: 11px;
    line-height: 1.5;
    text-align: center;
}

.clues-heading { margin-bottom: 14px; }
.clues-list { display: grid; gap: 9px; max-height: 600px; overflow-y: auto; padding-right: 3px; }

.clue-card {
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 9px;
    background: #fff;
}

.clue-card.solved { border-color: #90bba9; background: #edf7f2; }

.clue-line {
    display: flex;
    gap: 8px;
    align-items: flex-start;
}

.clue-number {
    min-width: 23px;
    height: 23px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    color: #fff;
    background: var(--teal-dark);
    font-size: 9px;
    font-weight: 900;
}

.clue-text { margin: 2px 0 0; color: #4f5d59; font-size: 12px; line-height: 1.5; }
.direction { color: #86918d; font-size: 8px; font-weight: 800; letter-spacing: .1em; }

.answer-row {
    margin-top: 9px;
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 5px;
}

.word-input {
    min-width: 0;
    padding: 8px 9px;
    border: 1px solid #cbd5d1;
    border-radius: 6px;
    outline: none;
    text-transform: uppercase;
    font-size: 11px;
}

.word-input:focus { border-color: var(--teal); }
.check-btn, .hint-btn {
    padding: 8px 9px;
    border-radius: 6px;
    font-size: 9px;
    font-weight: 800;
    cursor: pointer;
}

.check-btn { border: 0; color: #fff; background: var(--teal-dark); }
.hint-btn { border: 1px solid #d1d8d5; color: #64716d; background: #f5f6f4; }
.check-btn:disabled, .hint-btn:disabled, .word-input:disabled { opacity: .6; cursor: default; }

.clue-feedback { min-height: 16px; margin-top: 6px; font-size: 10px; font-weight: 700; }
.clue-feedback.good { color: var(--green); }
.clue-feedback.bad { color: var(--red); }

.learn-note {
    margin-top: 7px;
    padding: 8px;
    border-left: 3px solid var(--gold);
    color: #5e5d50;
    background: #f6f1e7;
    font-size: 10px;
    line-height: 1.5;
}

.result-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 12px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    color: white;
    background: var(--teal-dark);
    font-size: 25px;
}

.result-stats {
    margin: 22px 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.result-stats div { padding: 15px 8px; border-radius: 9px; background: #edf1ef; }
.result-stats small { display: block; color: #788480; font-size: 8px; letter-spacing: .1em; }
.result-stats strong { display: block; margin-top: 5px; color: var(--teal-dark); font-size: 20px; }

.primary-button {
    padding: 11px 17px;
    border: 0;
    border-radius: 8px;
    color: white;
    background: var(--teal-dark);
    font-weight: 800;
    cursor: pointer;
}

.hidden { display: none !important; }

@media (max-width: 900px) {
    .game-layout { grid-template-columns: 1fr; }
    .clues-list { max-height: none; }
}

@media (max-width: 620px) {
    .levels { grid-template-columns: 1fr; }
    .stats { grid-template-columns: repeat(2, 1fr); }
    .crossword-panel, .clues-panel { padding: 16px; }
    .crossword-grid { grid-template-columns: repeat(17, 24px); grid-template-rows: repeat(17, 24px); }
    .cross-cell { font-size: 12px; }
    .answer-row { grid-template-columns: 1fr auto; }
    .hint-btn { grid-column: 2; }
    .result-stats { grid-template-columns: 1fr; }
}