:root {
    --bg-a: #fff3e0;
    --bg-b: #ffe8cb;
    --ink: #253144;
    --ink-soft: #5b6b7f;
    --card: rgba(255, 255, 255, 0.82);
    --line: #ff9f1c;
    --line-dark: #d77900;
    --cell: #fdf7ef;
    --cell-border: #dfc9a8;
    --value: #1d2840;
    --entry: #fffefc;
    --entry-border: #9ab7d9;
    --cta: #2d8f85;
    --cta-dark: #1f6d66;
    --shadow: 0 14px 32px rgba(90, 64, 30, 0.22);
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    font-family: "Nunito", sans-serif;
    color: var(--ink);
    background:
        radial-gradient(circle at 14% 16%, rgba(45, 143, 133, 0.15), transparent 34%),
        radial-gradient(circle at 85% 14%, rgba(255, 159, 28, 0.2), transparent 34%),
        linear-gradient(180deg, var(--bg-a), var(--bg-b));
}

header {
    width: min(1080px, 96vw);
    height: 235px;
    margin-top: 20px;
    border-radius: 24px 24px 0 0;
    border: 3px solid var(--line);
    border-bottom: none;
    box-shadow: var(--shadow);
    background-image:
        linear-gradient(to top, rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.08)),
        url("../../assets/images/baniere.png");
    background-size: cover;
    background-position: center;
}

.magic-page {
    width: min(1080px, 96vw);
    border: 3px solid var(--line);
    border-top: none;
    border-radius: 0 0 24px 24px;
    margin-bottom: 34px;
    padding: 28px 14px;
    background: linear-gradient(180deg, rgba(255, 247, 233, 0.85), rgba(255, 240, 216, 0.95));
    box-shadow: var(--shadow);
}

.game-shell {
    width: min(640px, 100%);
    margin: 0 auto;
    padding: 22px 14px 16px;
    border-radius: 20px;
    border: 1px solid rgba(255, 159, 28, 0.45);
    background: var(--card);
    backdrop-filter: blur(3px);
}

h1 {
    margin: 0;
    text-align: center;
    font-family: "Changa", sans-serif;
    font-size: clamp(1.7rem, 4vw, 2.4rem);
    letter-spacing: 0.5px;
}

.intro {
    margin: 8px auto 18px;
    max-width: 52ch;
    text-align: center;
    color: var(--ink-soft);
    font-size: 1rem;
}

#game-container {
    width: max-content;
    margin: 0 auto;
    text-align: center;
}

#grid {
    --cell-size: clamp(50px, 14vw, 90px);
    display: grid;
    grid-template-columns: repeat(5, var(--cell-size));
    grid-template-rows: repeat(5, var(--cell-size));
    gap: 6px;
    margin-bottom: 14px;
}

.grid-cell {
    width: var(--cell-size);
    height: var(--cell-size);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    border: 1px solid var(--cell-border);
    background: var(--cell);
    font-size: clamp(1.05rem, 3vw, 1.55rem);
    font-weight: 800;
    color: var(--value);
}

input {
    width: 78%;
    height: 50%;
    border-radius: 8px;
    border: 2px solid var(--entry-border);
    background: var(--entry);
    text-align: center;
    font-size: clamp(1rem, 2.8vw, 1.35rem);
    font-weight: 700;
    color: var(--value);
}

input:focus {
    outline: 2px solid rgba(45, 143, 133, 0.45);
    border-color: var(--cta);
}

button {
    width: 100%;
    border: none;
    border-radius: 12px;
    padding: 12px 18px;
    font-family: "Changa", sans-serif;
    font-size: 1.15rem;
    letter-spacing: 0.4px;
    color: #ffffff;
    background: linear-gradient(180deg, #36a399, var(--cta));
    box-shadow: 0 6px 0 var(--cta-dark);
    cursor: pointer;
    transition: transform 0.1s ease, filter 0.12s ease;
}

button:hover {
    filter: brightness(1.05);
    transform: translateY(-1px);
}

button:active {
    transform: translateY(2px);
    box-shadow: 0 3px 0 var(--cta-dark);
}

button:focus-visible {
    outline: 3px solid #ffffff;
    outline-offset: 2px;
}

footer {
    width: min(1080px, 96vw);
    margin-bottom: 18px;
    padding: 8px 12px;
    border-radius: 12px;
    border-top: 3px solid var(--line);
    display: flex;
    justify-content: flex-end;
    background: rgba(255, 245, 225, 0.8);
}

#contact {
    margin: 0;
    padding: 6px 10px;
    border-radius: 8px;
    color: var(--ink-soft);
    background: rgba(255, 255, 255, 0.72);
}

#contact a {
    color: var(--line-dark);
}

#contact a:hover {
    color: #b76400;
}

@media (max-width: 600px) {
    header {
        height: 160px;
        border-radius: 18px 18px 0 0;
    }

    .magic-page {
        border-radius: 0 0 18px 18px;
        padding: 18px 8px;
    }

    .game-shell {
        padding: 14px 8px 12px;
    }

    .intro {
        font-size: 0.94rem;
    }

    button {
        font-size: 1.02rem;
    }
}