:root {
    --bg: #0b1020;
    --panel: #111a33;
    --text: #e9eefc;
    --muted: #aab6e6;
    --tile: #141f3d;
    --tile-border: #2a3a6a;

    --gray: #2c3348;
    --orange: #b36a19;
    --green: #1e7a4d;

    --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
    --radius: 14px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: radial-gradient(1200px 800px at 30% 20%, #1a2a60, var(--bg));
    color: var(--text);
    font-family:
        ui-sans-serif,
        system-ui,
        -apple-system,
        Segoe UI,
        Roboto,
        Helvetica,
        Arial,
        "Apple Color Emoji",
        "Segoe UI Emoji";
    min-height: 100vh;
}

.header {
    padding: 16px 14px 10px;
    max-width: 560px;
    margin: 0 auto;
}

.header__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.title {
    margin: 0;
    font-size: 20px;
    letter-spacing: 0.3px;
}

.controls {
    display: flex;
    gap: 10px;
    align-items: center;
}

.controls__label {
    display: flex;
    gap: 8px;
    align-items: center;
    font-size: 13px;
    color: var(--muted);
}

.select {
    background: var(--panel);
    color: var(--text);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 10px;
    padding: 8px 10px;
    min-height: 40px;
}

.button {
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 10px;
    padding: 8px 12px;
    min-height: 40px;
    background: #1a2a60;
    color: var(--text);
    cursor: pointer;
}

.button--secondary {
    background: rgba(255, 255, 255, 0.06);
}

.status {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    margin-top: 10px;
    padding: 10px 12px;
    background: rgba(0, 0, 0, 0.18);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius);
}

.status__try {
    font-weight: 600;
}

.status__message {
    text-align: right;
    color: var(--muted);
    font-weight: 600;
}

.status__message--error {
    color: #ffb3b3;
}

.main {
    max-width: 560px;
    margin: 0 auto;
    padding: 12px 14px 22px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.grid {
    display: grid;
    grid-template-rows: repeat(5, 1fr);
    gap: 10px;
    padding: 14px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.row {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
}

.tile {
    height: 54px;
    border-radius: 12px;
    background: var(--tile);
    border: 2px solid var(--tile-border);
    display: grid;
    place-items: center;
    font-size: 22px;
    font-weight: 800;
    text-transform: uppercase;
    -webkit-user-select: none;
    user-select: none;
}

.tile[data-state="gray"] {
    background: var(--gray);
    border-color: rgba(255, 255, 255, 0.12);
}

.tile[data-state="orange"] {
    background: var(--orange);
    border-color: rgba(255, 255, 255, 0.18);
}

.tile[data-state="green"] {
    background: var(--green);
    border-color: rgba(255, 255, 255, 0.2);
}

.tile[data-state]:not([data-state=""]) {
    box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.2);
}

.keyboard {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 14px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
}

.kb-row {
    display: grid;
    grid-template-columns: repeat(11, minmax(0, 1fr));
    gap: 8px;
    min-width: 0;
}

.kb-row--3 {
    grid-template-columns: minmax(0, 1.7fr) repeat(8, minmax(0, 1fr)) minmax(
            0,
            1.7fr
        );
}

.key {
    min-height: 48px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.06);
    color: var(--text);
    font-weight: 800;
    font-size: 14px;
    padding: 0;
    cursor: pointer;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
    -webkit-user-drag: none;
    -webkit-tap-highlight-color: transparent;
    min-width: 0;
    touch-action: manipulation;
}

.key[data-state="gray"] {
    background: rgba(86, 96, 124, 0.95);
}

.key[data-state="orange"] {
    background: rgba(179, 106, 25, 0.95);
}

.key[data-state="green"] {
    background: rgba(30, 122, 77, 0.95);
}

.key:active {
    transform: translateY(1px);
}

@media (max-width: 480px) {
    .header {
        padding-left: 10px;
        padding-right: 10px;
    }

    .main {
        --mobile-gutter: 10px;
        padding-left: 10px;
        padding-right: 10px;
    }

    .grid,
    .keyboard {
        padding: 10px;
    }

    .keyboard {
        margin-left: calc(-1 * var(--mobile-gutter));
        margin-right: calc(-1 * var(--mobile-gutter));
        border-left: 0;
        border-right: 0;
        border-radius: 0;
        padding-left: 6px;
        padding-right: 6px;
    }

    .row,
    .kb-row {
        gap: 6px;
    }

    .key {
        min-height: 52px;
    }
}

@media (max-width: 380px) {
    .header {
        padding-left: 8px;
        padding-right: 8px;
    }

    .main {
        --mobile-gutter: 8px;
        padding-left: 8px;
        padding-right: 8px;
    }

    .grid,
    .keyboard {
        padding: 8px;
    }

    .keyboard {
        margin-left: calc(-1 * var(--mobile-gutter));
        margin-right: calc(-1 * var(--mobile-gutter));
        border-left: 0;
        border-right: 0;
        border-radius: 0;
        padding-left: 4px;
        padding-right: 4px;
    }

    .grid {
        gap: 7px;
    }

    .row,
    .kb-row {
        gap: 5px;
    }

    .tile {
        height: 48px;
        font-size: 20px;
    }

    .key {
        min-height: 52px;
        font-size: 13px;
    }

    .key[data-key="ENTER"],
    .key[data-key="DEL"] {
        font-size: 11px;
    }
}