:root {
    --nsl: #d42e12;
    --ewl: #009645;
    --ccl: #fa9e0d;
    --nel: #9900aa;
    --dtl: #005ec4;
    --tel: #9d5b25;
}

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

body {
    font-family: sans-serif;
    background: #f0f2f5;
    height: 100vh;
    overflow: hidden;
}

.layout {
    display: flex;
    height: 100vh;
}

/* ── Game panel ── */
.game-panel {
    width: 380px;
    min-width: 340px;
    background: white;
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
    overflow-y: auto;
    box-shadow: 2px 0 8px rgba(0,0,0,0.08);
    z-index: 1;
}

.game-panel h1 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1.2rem;
    color: #1a1a2e;
    letter-spacing: -0.3px;
}

.setup-section p {
    font-size: 0.85rem;
    font-weight: 600;
    color: #555;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.checkbox-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 16px;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 0.82rem;
    font-weight: 600;
    padding: 7px 10px;
    border-radius: 6px;
    border-left: 4px solid #ccc;
    background: #f8f8f8;
    cursor: pointer;
    transition: background 0.15s;
}

.checkbox-group label:hover { background: #f0f0f0; }
.checkbox-group label[data-line="nsl"] { border-left-color: var(--nsl); }
.checkbox-group label[data-line="ewl"] { border-left-color: var(--ewl); }
.checkbox-group label[data-line="ccl"] { border-left-color: var(--ccl); }
.checkbox-group label[data-line="nel"] { border-left-color: var(--nel); }
.checkbox-group label[data-line="dtl"] { border-left-color: var(--dtl); }
.checkbox-group label[data-line="tel"] { border-left-color: var(--tel); }

.options {
    font-size: 0.83rem;
    margin-bottom: 16px;
    color: #444;
}
.options label { display: flex; align-items: center; gap: 7px; cursor: pointer; }

button {
    padding: 9px 18px;
    cursor: pointer;
    border: none;
    border-radius: 6px;
    background: #1a1a2e;
    color: white;
    font-weight: 700;
    font-size: 0.88rem;
    transition: opacity 0.15s;
}
button:hover { opacity: 0.85; }
#giveUpBtn { background: #dc3545; }
#resetBtn  { background: #6c757d; }

.stats {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: #333;
}

input[type="text"] {
    width: 100%;
    padding: 10px 12px;
    margin: 10px 0;
    border: 2px solid #ddd;
    border-radius: 6px;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s;
}
input[type="text"]:focus { border-color: #1a1a2e; }

.controls { display: flex; gap: 8px; margin-bottom: 10px; }

#feedback {
    height: 18px;
    font-size: 0.85rem;
    font-weight: 700;
    color: #009645;
    margin-bottom: 10px;
}

.hidden { display: none !important; }

/* ── Progress boards ── */
#progressBoards {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-top: 6px;
}

.line-board {
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid #e0e0e0;
}

.line-board-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 7px 11px;
    color: white;
    font-weight: 700;
    font-size: 0.82rem;
}
.line-board-header.nsl { background: var(--nsl); }
.line-board-header.ewl { background: var(--ewl); }
.line-board-header.ccl { background: var(--ccl); color: #333; }
.line-board-header.nel { background: var(--nel); }
.line-board-header.dtl { background: var(--dtl); }
.line-board-header.tel { background: var(--tel); }

.line-board-body {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    padding: 8px;
    background: #fafafa;
}

/* Hidden chip — placeholder box */
.station-chip {
    font-size: 0.7rem;
    padding: 4px 8px;
    border-radius: 20px;
    border: 1.5px solid #ddd;
    background: #efefef;
    color: transparent;
    user-select: none;
    transition: background 0.25s, color 0.25s, border-color 0.25s;
    white-space: nowrap;
    min-width: 28px;
}

/* Future stations have dashed border */
.station-chip.future {
    border-style: dashed;
    border-color: #bbb;
    background: #f7f7f7;
    opacity: 0.75;
}

/* Guessed */
.station-chip.guessed { color: white; border-color: transparent; border-style: solid; }
.line-board.nsl .station-chip.guessed { background: var(--nsl); }
.line-board.ewl .station-chip.guessed { background: var(--ewl); }
.line-board.ccl .station-chip.guessed { background: var(--ccl); color: #333; }
.line-board.nel .station-chip.guessed { background: var(--nel); }
.line-board.dtl .station-chip.guessed { background: var(--dtl); }
.line-board.tel .station-chip.guessed { background: var(--tel); }

/* Missed */
.station-chip.missed {
    color: #7a0000;
    background: #ffe0e0;
    border-color: #f5a5a5;
    border-style: solid;
}

/* ── Map panel ── */
.map-panel {
    flex: 1;
    position: relative;
}

#map {
    width: 100%;
    height: 100%;
}