:root {
    color-scheme: light;
    --farm-bg: #eaf8d9;
    --farm-panel: rgba(255, 248, 219, 0.94);
    --farm-panel-strong: #ffe5a8;
    --farm-stroke: #8d6b43;
    --farm-stroke-soft: rgba(85, 63, 39, 0.24);
    --farm-text: #4d3925;
    --farm-button: #7ccf82;
    --farm-button-dark: #478958;
    --farm-blue: #71c4e7;
    --farm-shadow: rgba(74, 54, 28, 0.28);
}

[data-theme="classic"] {
    --farm-bg: #f5edd3;
    --farm-panel: rgba(251, 231, 178, 0.96);
    --farm-panel-strong: #f2c36f;
    --farm-button: #79aa65;
    --farm-button-dark: #4f7544;
}

[data-theme="dark"] {
    color-scheme: dark;
    --farm-bg: #142219;
    --farm-panel: rgba(43, 55, 43, 0.95);
    --farm-panel-strong: #5b6a4a;
    --farm-stroke: #b9a16d;
    --farm-stroke-soft: rgba(236, 224, 172, 0.18);
    --farm-text: #f4edcf;
    --farm-button: #5fa870;
    --farm-button-dark: #a7d69d;
    --farm-blue: #64a9cf;
    --farm-shadow: rgba(0, 0, 0, 0.42);
}

[data-theme="rainbow"] {
    --farm-bg: #fff7dc;
    --farm-panel: rgba(255, 244, 207, 0.95);
    --farm-panel-strong: #ffd489;
    --farm-button: #74cf9a;
    --farm-button-dark: #6d62b8;
    --farm-blue: #7ed0ea;
}

* {
    box-sizing: border-box;
}

html,
body {
    min-height: 100%;
}

body {
    margin: 0;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background:
        radial-gradient(circle at 15% 0%, rgba(255, 232, 156, 0.42), transparent 28rem),
        radial-gradient(circle at 90% 15%, rgba(136, 201, 116, 0.35), transparent 24rem),
        var(--farm-bg);
    color: var(--farm-text);
}

button,
a {
    font: inherit;
}

.farm-page {
    width: min(100%, 1440px);
    min-height: 100vh;
    margin: 0 auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.farm-header {
    min-height: 58px;
    display: grid;
    grid-template-columns: minmax(180px, 1fr) auto minmax(180px, 1fr);
    align-items: center;
    gap: 16px;
    padding: 10px 14px;
    border: 2px solid var(--farm-stroke-soft);
    border-radius: 14px;
    background: var(--farm-panel);
    box-shadow: 0 12px 28px var(--farm-shadow);
}

.farm-brand {
    color: var(--farm-text);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
}

.brand-mark {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    border: 2px solid var(--farm-stroke);
    background:
        linear-gradient(135deg, transparent 46%, rgba(255, 255, 255, 0.6) 47%, transparent 54%),
        linear-gradient(135deg, #7bc96f 0 50%, #e7b061 50% 100%);
    box-shadow: inset 0 -3px rgba(72, 47, 23, 0.16);
}

.game-title {
    margin: 0;
    font-size: clamp(1.2rem, 2.2vw, 1.8rem);
    letter-spacing: 0;
    text-align: center;
    color: var(--farm-text);
}

.header-actions {
    justify-self: end;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.farm-button {
    border: 2px solid rgba(69, 93, 50, 0.34);
    border-radius: 10px;
    padding: 8px 12px;
    color: #fff;
    background: linear-gradient(180deg, var(--farm-button), var(--farm-button-dark));
    box-shadow: inset 0 2px rgba(255, 255, 255, 0.35), 0 5px 12px rgba(52, 83, 39, 0.18);
    cursor: pointer;
    font-weight: 800;
}

.farm-button:hover {
    filter: brightness(1.04);
}

.farm-stage {
    width: 100%;
    aspect-ratio: 16 / 9;
    min-height: 420px;
    border-radius: 16px;
    overflow: hidden;
    border: 3px solid rgba(91, 67, 40, 0.34);
    background: #8dc779;
    box-shadow: 0 22px 42px var(--farm-shadow);
}

#farmCanvas {
    display: block;
    width: 100%;
    height: 100%;
    touch-action: none;
    cursor: crosshair;
}

.farm-notes {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.farm-notes > div {
    padding: 14px 16px;
    border: 1px solid var(--farm-stroke-soft);
    border-radius: 12px;
    background: var(--farm-panel);
    box-shadow: 0 10px 22px rgba(54, 45, 28, 0.1);
}

.farm-notes strong {
    display: block;
    margin-bottom: 4px;
}

.farm-notes span {
    line-height: 1.5;
}

.modal {
    position: fixed;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 50;
    background: rgba(25, 31, 21, 0.52);
    padding: 20px;
}

.modal.show {
    display: flex;
}

.modal-content {
    width: min(460px, 100%);
    border-radius: 16px;
    border: 2px solid var(--farm-stroke-soft);
    background: var(--farm-panel);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.28);
    color: var(--farm-text);
    overflow: hidden;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 18px;
    border-bottom: 1px solid var(--farm-stroke-soft);
}

.modal-header h2 {
    margin: 0;
    font-size: 1.15rem;
}

.modal-close {
    width: 34px;
    height: 34px;
    border-radius: 9px;
    border: 1px solid var(--farm-stroke-soft);
    color: var(--farm-text);
    background: transparent;
    cursor: pointer;
    font-size: 1.4rem;
    line-height: 1;
}

.theme-options,
.share-buttons {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    padding: 18px;
}

.theme-option {
    min-height: 86px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: 12px;
    border: 2px solid var(--farm-stroke-soft);
    background: rgba(255, 255, 255, 0.4);
    color: var(--farm-text);
    cursor: pointer;
}

.theme-option.active {
    border-color: var(--farm-button-dark);
    box-shadow: 0 0 0 3px rgba(124, 207, 130, 0.2);
}

.theme-preview {
    width: 64px;
    height: 30px;
    border-radius: 8px;
    border: 1px solid rgba(0, 0, 0, 0.15);
}

.modern-preview {
    background: linear-gradient(135deg, #93d77c, #ffe5a8);
}

.classic-preview {
    background: linear-gradient(135deg, #c39a55, #f5edd3);
}

.dark-preview {
    background: linear-gradient(135deg, #142219, #5fa870);
}

.rainbow-preview {
    background: linear-gradient(135deg, #74cf9a, #ffcf66, #8cc7ff, #be9bff);
}

@media (max-width: 860px) {
    .farm-page {
        padding: 10px;
    }

    .farm-header {
        grid-template-columns: 1fr;
        justify-items: center;
    }

    .header-actions {
        justify-self: center;
    }

    .farm-stage {
        min-height: 300px;
    }

    .farm-notes {
        grid-template-columns: 1fr;
    }
}