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

:root {
    --correct: #6aaa64;
    --present: #c9b458;
    --absent: #787c7e;
    --border: #3a3a3c;
    --bg: #121213;
    --bg-secondary: #1a1a1b;
    --text: #ffffff;
    --tile-bg: #121213;
    --tile-border: #3a3a3c;
    --key-bg: #818384;
    --key-used: #3a3a3c;
}

[data-theme="light"] {
    --correct: #6aaa64;
    --present: #c9b458;
    --absent: #787c7e;
    --border: #d3d6da;
    --bg: #f3f3f3;
    --bg-secondary: #ffffff;
    --text: #1a1a1b;
    --tile-bg: #ffffff;
    --tile-border: #d3d6da;
    --key-bg: #d3d6da;
    --key-used: #787c7e;
}

html {
    height: 100%;
    height: 100dvh;
    overflow: hidden;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    display: flex;
    flex-direction: column;
    touch-action: manipulation;
    height: 100%;
    height: 100dvh;
    overflow: hidden;
    margin: 0;
    transition: background-color 0.3s, color 0.3s;
}

header {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    padding-top: max(8px, env(safe-area-inset-top));
    flex-shrink: 0;
    position: relative;
    min-height: 46px;
}

.match-count {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--text);
    opacity: 0.9;
    text-align: center;
    line-height: 1;
}

.header-btn {
    width: 30px;
    height: 30px;
    border: none;
    border-radius: 50%;
    background-color: var(--key-bg);
    color: var(--text);
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s, transform 0.1s;
}

.header-btn:active {
    transform: scale(0.95);
}

.header-right {
    position: absolute;
    top: 6px;
    right: 6px;
    display: flex;
    gap: 6px;
}

.header-left {
    position: absolute;
    top: 6px;
    left: 5px;
    display: flex;
}

main {
    flex: 1;
    flex-shrink: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    /* Боковые отступы: место под заливку активной строки (~полклетки) */
    padding: 8px 20px 4px;
    gap: 0;
    min-height: 0;
    overflow: hidden;
}

.board-wrap {
    flex: 1 1 auto;
    min-height: 0;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
}

.match-bar {
    width: 280px; /* стартовый размер, дальше считает JS */
    height: 6px;
    flex-shrink: 0;
    border: none;
    border-radius: 3px;
    background-color: var(--absent);
    overflow: hidden;
}

.match-bar-fill {
    height: 100%;
    width: 100%;
    background-color: var(--correct);
    transition: width 0.25s ease;
}

#game-board {
    display: grid;
    grid-template-rows: repeat(6, 1fr);
    gap: 5px;
    width: 280px; /* стартовый размер, дальше считает JS */
    height: 336px;
    overflow: visible;
}

.row {
    position: relative;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 5px;
    width: 100%;
}

/* Заливка чуть выше клеток и на полклетки слева/справа */
.row.active::before {
    content: '';
    position: absolute;
    top: -5px;
    bottom: -5px;
    left: calc((20px - 100%) / 10);
    right: calc((20px - 100%) / 10);
    background-color: rgba(129, 131, 132, 0.22);
    border-radius: 6px;
    pointer-events: none;
    z-index: 0;
}

[data-theme="light"] .row.active::before {
    background-color: rgba(26, 26, 27, 0.1);
}

.tile {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 700;
    text-transform: uppercase;
    background-color: var(--tile-bg);
    border: 2px solid var(--tile-border);
    transition: transform 0.1s, background-color 0.3s, border-color 0.3s;
}

.tile.flash-hint::after {
    content: attr(data-hint);
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: inherit;
    font-weight: 700;
    color: var(--absent);
    pointer-events: none;
    text-transform: uppercase;
    animation: hintFlash 2s ease forwards;
}

[data-theme="light"] .tile.flash-hint::after {
    color: #9a9a9c;
}

@keyframes hintFlash {
    0% { opacity: 0; }
    12% { opacity: 0.75; }
    70% { opacity: 0.75; }
    100% { opacity: 0; }
}

.tile.correct {
    background-color: var(--correct);
    border-color: var(--correct);
    color: #ffffff;
}

.tile.present {
    background-color: var(--present);
    border-color: var(--present);
    color: #ffffff;
}

.tile.absent {
    background-color: var(--absent);
    border-color: var(--absent);
    color: #ffffff;
}

.tile:not(:empty),
.row.active .tile:empty {
    cursor: pointer;
}

.tile.tile-click {
    animation: tileClick 0.2s ease;
}

@keyframes tileClick {
    0% { transform: scale(1); }
    50% { transform: scale(0.95); }
    100% { transform: scale(1); }
}

@keyframes pop {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.tile.pop {
    animation: pop 0.1s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

#message {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2000;
    min-height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    padding: 8px 16px;
    border-radius: 4px;
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
}

#message.show {
    opacity: 1;
}

#message.success {
    background-color: var(--correct);
}

#message.error {
    background-color: var(--absent);
}

footer {
    padding: 4px 8px;
    padding-bottom: max(4px, env(safe-area-inset-bottom));
    background-color: var(--bg);
    flex-shrink: 0;
}

#keyboard {
    display: flex;
    flex-direction: column;
    gap: 5px;
    max-width: 100%;
    padding: 0 4px;
    margin: 0 auto;
}

.keyboard-row {
    display: flex;
    justify-content: center;
    gap: 4px;
    padding: 0;
}

.key {
    min-width: 28px;
    height: 48px;
    border-radius: 4px;
    background-color: var(--key-bg);
    color: var(--text);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    max-width: 36px;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    transition: background-color 0.3s;
}

.key:active {
    transform: scale(0.95);
}

.key.wide {
    min-width: 44px;
    max-width: 56px;
    font-size: 12px;
}

.key.wide[data-key="✔"] {
    font-size: 20px;
    background-color: var(--correct);
}

.key.correct {
    background-color: var(--correct);
}

.key.present {
    background-color: var(--present);
}

.key.absent {
    background-color: var(--key-used);
}

.key:not(.correct):not(.present):not(.absent) {
    background-color: var(--key-bg);
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
}

.modal.hidden {
    display: none;
}

.modal-content {
    position: relative;
    background-color: var(--bg-secondary);
    border: 2px solid var(--border);
    border-radius: 8px;
    padding: 24px;
    max-width: 320px;
    width: 100%;
    text-align: center;
    transition: background-color 0.3s, border-color 0.3s;
}

.modal-close {
    position: absolute;
    top: 10px;
    right: 14px;
    font-size: 20px;
    cursor: pointer;
    color: var(--text);
    opacity: 0.6;
}

.modal-close:hover {
    opacity: 1;
}

#info-modal .modal-content,
#play-modal .modal-content {
    text-align: left;
    max-width: 360px;
}

#info-modal h2,
#play-modal h2 {
    margin-bottom: 16px;
    text-align: center;
}

#info-modal h2:not(:first-of-type) {
    margin-top: 8px;
}

#info-modal p {
    margin-bottom: 12px;
    line-height: 1.4;
}

#info-modal .modal-content > p:last-of-type {
    margin-bottom: 0;
}

.info-steps,
.play-links {
    margin: 0 0 0 20px;
    line-height: 1.5;
}

.info-steps li,
.play-links li {
    margin-bottom: 10px;
}

.play-links li:last-child {
    margin-bottom: 0;
}

.play-links a {
    color: var(--correct);
    text-decoration: none;
    font-weight: 600;
    word-break: break-all;
}

.play-links a:hover {
    text-decoration: underline;
}

.info-divider {
    margin: 20px 0;
    border: none;
    border-top: 1px solid var(--border);
}

.info-example {
    display: flex;
    gap: 4px;
    margin: 12px 0;
}

.info-tile {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    text-transform: uppercase;
    background-color: var(--tile-bg);
    border: 2px solid var(--tile-border);
}

.info-tile.correct {
    background-color: var(--correct);
    border-color: var(--correct);
    color: #ffffff;
}

.info-tile.present {
    background-color: var(--present);
    border-color: var(--present);
    color: #ffffff;
}

.info-tile.absent {
    background-color: var(--absent);
    border-color: var(--absent);
    color: #ffffff;
}

@media (max-height: 650px) {
    .tile {
        font-size: 22px;
    }

    .key {
        height: 44px;
    }

    .match-count {
        font-size: 16px;
    }
}

@media (max-height: 550px) {
    .tile {
        font-size: 18px;
    }

    .key {
        height: 38px;
    }

    .match-count {
        font-size: 15px;
    }

    header {
        padding: 8px;
    }
}

@media (min-width: 600px) {
    .tile {
        font-size: 40px;
    }

    .key {
        min-width: 36px;
        height: 52px;
        max-width: 44px;
    }
}

@media screen and (max-width: 479px) {
    main {
        padding: 6px 16px 2px;
        justify-content: flex-start;
    }

    .key {
        min-width: 24px;
        font-size: 15px;
        max-width: 30px;
    }

    .key.wide {
        min-width: 38px;
        max-width: 48px;
        font-size: 14px;
    }
}

@media (display-mode: standalone) {
    header {
        padding-top: max(12px, env(safe-area-inset-top));
    }

    #message {
        top: max(120px, calc(env(safe-area-inset-top) + 100px));
    }

    footer {
        padding-bottom: max(20px, env(safe-area-inset-bottom));
    }

    .key {
        font-size: 15px;
    }

    .key.wide {
        font-size: 14px;
    }
}