@font-face {
    font-family: 'Diodrum';
    src: url('./fonts/DiodrumCyrillic-Semibold.ttf') format('truetype');
    font-weight: 600;
    font-style: normal;
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    font-family: 'Diodrum', sans-serif;
}

/* Use ONE spacing system everywhere */
.start-screen,
.game-screen,
.game-over-screen {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    width: 100%;
}

.start-screen-bottom-row {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 316px;
    justify-content: space-between;
}

/* Remove default margins so gap controls spacing */
.start-screen h1,
.game-screen h1,
.game-over-screen h1,
.game-over-screen h2,
.game-over-screen p,
.status {
    margin: 0;
}

/* Titles */
.start-screen h1,
.game-screen h1,
.game-over-screen h1 {
    width: 316px;
    text-align: center;
    font-size: 60px;
    line-height: 1;
    white-space: nowrap;
    display: flex;
    justify-content: center;
}

.board {
    display: grid;
    grid-template-columns: repeat(3, 100px);
    grid-template-rows: repeat(3, 100px);
    gap: 8px;
    width: 316px;
    justify-content: center;
}

.cell {
    width: 100px;
    height: 100px;
    font-size: 48px;
    text-align: center;
    border: 2px solid #b8b8b8;
    border-radius: 14px;
    font-family: 'Diodrum', sans-serif;
    font-weight: 600;
    color: #111111;
    cursor: pointer;
    background: #ffffff;
    transition: transform 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease, border-color 0.18s ease;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.06);
    box-sizing: border-box;
}

.hidden {
    display: none;
}

/* Game over container uses SAME gap */
.result {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.start-button,
.settings-button,
.customise-button,
.restart,
.main-menu-button,
.find-match-button,
.in-game-menu-button {
    display: block;
    width: 316px;
    padding: 14px 22px;
    border: 2px solid #b8b8b8;
    border-radius: 14px;
    font-family: 'Diodrum', sans-serif;
    font-size: 30px;
    font-weight: 600;
    letter-spacing: 0.3px;
    color: #111111;
    cursor: pointer;
    background: #ffffff;
    transition: transform 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease, border-color 0.18s ease;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.06);
    box-sizing: border-box;
    align-self: center;
}

.settings-button {
    width: 236px;
}

.customise-button {
    width: 68px;
    height: 68px;
    padding: 0;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.start-button:hover,
.settings-button:hover,
.customise-button:hover,
.restart:hover,
.main-menu-button:hover,
.find-match-button:hover,
.in-game-menu-button:hover,
.cell:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.10);
    background-color: #fafafa;
    border-color: #9f9f9f;
}

.start-button:active,
.settings-button:active,
.customise-button:active,
.restart:active,
.main-menu-button:active,
.find-match-button:active,
.in-game-menu-button:active,
.cell:active {
    transform: translateY(1px);
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.08);
    background-color: #f3f3f3;
}