:root {
    --clr-bg: #ffffff;
    --clr-surface: #ffffff;
    --clr-text: #222222;
    --clr-muted: #6b7280;
    --clr-accent: #6aa0b6;
    --clr-border: #dfe3ec;
    --clr-panel-border: #e3e6ef;
    --clr-panel-shadow: rgba(0, 0, 0, 0.05);
    --clr-good: #2e8b57;
    --clr-bad: #d9534f;
    --clr-note: #e6a100;
}

* {
    box-sizing: border-box;
}

body {
    background: var(--clr-bg);
    color: var(--clr-text);
    font-family: "Open Sans", "Inter", sans-serif;
    margin: 0;
    min-height: 100vh;
}

img {
    max-width: 100%;
    height: auto;
}


#message {
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--clr-text);
}

#message.note {
    color: var(--clr-note);
}

#message.good {
    color: var(--clr-good);
}

#message.bad {
    color: var(--clr-bad);
}

.message.plain {
    color: var(--clr-text);
}

.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, .6);
    display: none; /* hidden by default */
    align-items: center;
    justify-content: center;
    z-index: 100;
}

.modal.show {
    display: flex;
}

.modal-body {
    background: #1c2230;
    border-radius: 12px;
    padding: 1rem 1.25rem;
    max-width: 480px;
    color: #f5f5f5;
}

#meta {
    font-size: 0.9rem;
    color: #999;
    margin-top: 0.5rem;
}

#difficulty {
    font-weight: 500;
    color: #ffaa44;
}

/* Modal visibility */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, .6);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal.show {
    display: flex;
}

.modal-body {
    background: #1c2230;
    border-radius: 12px;
    padding: 1rem 1.25rem;
    max-width: 520px;
    width: min(92vw, 520px);
    color: #f5f5f5;
}

.top-bar {
    border-top: 1px solid var(--clr-border);
    border-bottom: 1px solid var(--clr-border);
    padding: 0.75rem 0;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    position: relative;
}

.top-bar .intro {
    text-align: center;
    width: 100%;
}

@media (min-width: 768px) {
    .top-bar {
        justify-content: center;
        align-items: center;
    }

    .top-bar .intro {
        max-width: 600px;
        text-align: center;
        margin: 0 auto;
    }

    .top-bar .bar-content {
        position: absolute;
        right: 0;
        top: 50%;
        transform: translateY(-50%);
        margin-left: 0;
    }
}

.intro {
    font-weight: 600;
}

.intro .one {
    color: var(--clr-bad);
}

.bar-content {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    flex-wrap: wrap;
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
}

@media (max-width: 768px) {
    .top-bar {
        text-align: center;
        margin-bottom: 0.75rem;
    }

    .bar-content {
        position: static;
        transform: none;
        justify-content: center;
        width: 100%;
        margin-top: 0.5rem;
    }

    .hud-panel,
    .grid-card {
        padding: 1.25rem;
    }
}

.icon-btn {
    background: none;
    border: none;
    padding: 0.3rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #000;
    cursor: pointer;
    border-radius: 8px;
}

.icon-btn:disabled,
.icon-btn.disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.icon-btn:not(:disabled):hover,
.icon-btn:not(:disabled):focus {
    background: rgba(0,0,0,0.05);
}

#shareBtn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.3rem;
    border-radius: 8px;
    color: #000;
    cursor: pointer;
}

#shareBtn:hover,
#shareBtn:focus {
    background: rgba(0,0,0,0.05);
}

.hud-panel,
.grid-card {
    background: var(--clr-surface);
    border: 1px solid var(--clr-panel-border);
    border-radius: 16px;
    box-shadow: 0 8px 24px var(--clr-panel-shadow);
    padding: 1.5rem;
}

.logo img {
    width: 300px;
    height: auto;
}

.share-row {
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.action-row {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.row-rule {
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--clr-accent);
}

.container {
    display: block;
    max-width: 1200px;
}

#helpBtn {
    cursor: pointer;
}

.share-menu {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.share-menu button {
    border: 1px solid #d6d9e0;
    background: #fff;
    border-radius: 8px;
    padding: .4rem .7rem;
    cursor: pointer;
}

.choice-btn {
    min-width: 60px;
}

.share-menu button.selected {
    background: var(--clr-accent);
    border-color: var(--clr-accent);
    color: #fff;
}

.tile-empty {
    border: 2px dashed var(--clr-border);
    color: var(--clr-accent);
    font-weight: 700;
}

#next {
    background: var(--clr-accent);
    color: #fff;
    border: none;
    border-radius: 999px;
    padding: 0.65rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    margin-top: 20px;
}

#restart {
    background: #f4f5f8;
    color: #2c303a;
    border: 1px solid var(--clr-border);
    border-radius: 999px;
    padding: 0.65rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    margin-top: 20px;
}

#undo {
    border: 1px solid var(--clr-border);
    border-radius: 999px;
    padding: 0.65rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    margin-top: 20px;
}

/* TIMER / SCORE */

.score-breakdown { margin-top: .25rem; opacity: .8; }
.score-breakdown small { font-size: .85rem; }

#choices button {
    margin-right: 10px;
    margin-top: 10px;
    background: #b41c64;
    color: white;
    border-radius: 4px;
}

/* TIMER CARD */
.timer-card {
    background: linear-gradient(135deg, #f6f8ff, #f0f3ff);
    border: 1px solid #dee2ec;
    border-radius: 12px;
    padding: 1.25rem;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

/* SCORE STYLING */
.score-card {
    background: #fff;
    border: 1px solid #dee2ec;
    border-radius: 12px;
    padding: 1.25rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.score-label {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #6b7280;
    margin-bottom: 0.25rem;
}

.score-number {
    font-size: 2.25rem;
    font-weight: 700;
    color: #4a4f60;
}

.score-subtext {
    font-size: 0.9rem;
    color: #888;
    margin-top: 0.25rem;
}

.persona-bar {
    border: 1px solid var(--clr-border);
    border-radius: 10px;
    padding: 0.5rem 0.75rem;
    background: #f9fafb;
}

.persona-avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: linear-gradient(135deg, #6aa0b6, #9fc5d5);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.persona-avatar-img {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid var(--clr-border);
    background: #f9fafb;
    object-fit: cover;
}

.persona-name {
    font-weight: 700;
}

.persona-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 0.75rem;
}

.persona-card {
    border: 1px solid var(--clr-border);
    border-radius: 10px;
    padding: 0.75rem;
    background: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    cursor: pointer;
}

.persona-card .persona-avatar {
    width: 48px;
    height: 48px;
}

#leaderboard a {
    color: #000;
    padding-top: 5px;
}

 .leaderboard-list {
     padding-left: 0;
     list-style: none;
 }

.leaderboard-list li {
    display: grid;
    grid-template-columns: 60px 1fr 80px 80px;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid var(--clr-border);
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.04);
    margin-bottom: 0.5rem;
    color: var(--clr-text);
}

.lb-rank {
    font-weight: 700;
    color: var(--clr-accent);
}

 .lb-name {
     flex: 1;
     font-weight: 600;
 }

.lb-score {
    font-weight: 700;
}

.lb-time {
    color: #666;
    font-size: 0.95rem;
}

.lb-current {
    background: #ffe8bd !important;
    border-color: var(--clr-accent);
}

.rank-line {
    margin-top: 0.4rem;
    color: var(--clr-note);
}

/* HINT BUTTON */
.btn-hint {
    background: linear-gradient(135deg, #ffbb33, #ff9900);
    color: #fff;
    border: none;
    border-radius: 999px;
    font-weight: 600;
    padding: 0.6rem 1.25rem;
    font-size: 1rem;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    max-width: 320px;
    margin: 0 auto;
}

.tile {
    background: #ffffff;
    color: var(--clr-text);
    font-size: 1.1rem;
    font-weight: 600;
    border: 2px solid var(--clr-border);
    border-radius: 12px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
    height: 100px;
    width: 100px;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0.25rem;
    transition: all 0.2s ease;
}

.tile-empty {
    background: #f9fafb;
    border: 2px dashed var(--clr-accent);
    color: var(--clr-accent);
    font-style: italic;
    font-weight: 500;
}

/* Selected tile highlight */
.tile.selected {
    transform: scale(1.05);
    border-color: var(--clr-accent);
    box-shadow: 0 4px 10px rgba(106, 160, 182, 0.3);
}

.tile-correct {
    border-color: var(--clr-good);
    background: #eef8f2;
}

.tile-wrong {
    border-color: var(--clr-bad);
    background: #fff2f0;
    color: var(--clr-bad);
    box-shadow: 0 0 0 2px rgba(217, 83, 79, 0.15);
}

.tile:hover,
.tile:focus {
    transform: scale(1.05);
    border-color: var(--clr-accent);
    box-shadow: 0 4px 10px rgba(106, 160, 182, 0.2);
}

#choices {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 1rem;
}

#choices button {
    background: #fff;
    border: 2px solid var(--clr-border);
    border-radius: 999px;
    padding: 0.5rem 1rem;
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--clr-text);
    transition: all 0.2s ease;
}

#choices button:hover {
    background: #f4faff;
    border-color: var(--clr-accent);
}

#choices button.selected {
    background: var(--clr-accent);
    color: #fff;
    border-color: var(--clr-accent);
    font-weight: 700;
}

@media (max-width: 576px) {
    #choices {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 0.5rem;
    }

    #choices button {
        width: 100%;
        font-size: 0.95rem;
        padding: 0.5rem 0.4rem;
    }
}

.board-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

#daynum {
    font-weight: 600;
    color: var(--clr-text);
}

#difficulty {
    font-weight: 600;
    color: var(--clr-note);
}

.how-to-play {
    background: #f9fafa;
    border-top: 1px solid var(--clr-border);
    padding: 1.25rem;
    font-size: 0.95rem;
    color: var(--clr-text);
    border-radius: 12px;
    margin-bottom: 1.5rem;
}

.how-to-play h3 {
    margin-top: 0;
    color: var(--clr-text);
}

.how-to-play ul {
    padding-left: 1rem;
    list-style: none;
}

.how-to-play li {
    margin-bottom: 0.5rem;
    position: relative;
    color: var(--clr-muted);
    list-style: disc;
}

#closeHowTo {
    cursor: pointer;
}

#hintBtn.btn-hint {
    background: linear-gradient(90deg, var(--clr-note), #ffce5a);
    color: #fff;
    border: none;
    font-weight: 600;
    border-radius: 999px;
}

.hint-banner {
    background: #fff7e6;
    border: 1px dashed var(--clr-note);
    border-radius: 12px;
    padding: 0.75rem 1rem;
    display: inline-flex;
    gap: 0.35rem;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    color: var(--clr-text);
}

.hint-label {
    font-weight: 600;
    color: var(--clr-note);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

@media (max-width: 768px) {
    .top-bar {
        text-align: center;
    }

    .hud-panel,
    .grid-card {
        padding: 1.25rem;
    }

}

@media (min-width: 992px) {
    .how-to-play {
        margin-bottom: 0;
    }
}