:root {
    --bg: var(--tg-theme-bg-color, #17212b);
    --text: var(--tg-theme-text-color, #f5f5f5);
    --hint: var(--tg-theme-hint-color, #708499);
    --btn: var(--tg-theme-button-color, #5288c1);
    --btn-text: var(--tg-theme-button-text-color, #ffffff);
    --card: var(--tg-theme-secondary-bg-color, #232e3c);
    --accent: var(--tg-theme-accent-text-color, #6ab3f3);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    padding-bottom: calc(env(safe-area-inset-bottom, 0px) + 12px);
}

#app {
    max-width: 480px;
    margin: 0 auto;
    padding: 12px 14px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

header h1 { font-size: 20px; margin: 0; }

#refresh {
    border: none;
    background: var(--card);
    color: var(--text);
    border-radius: 50%;
    width: 36px;
    height: 36px;
    font-size: 18px;
    cursor: pointer;
}

.tabs {
    display: flex;
    gap: 6px;
    background: var(--card);
    padding: 4px;
    border-radius: 12px;
}

.tab {
    flex: 1;
    border: none;
    background: transparent;
    color: var(--hint);
    padding: 9px 0;
    border-radius: 9px;
    font-size: 15px;
    cursor: pointer;
}

.tab.active { background: var(--btn); color: var(--btn-text); font-weight: 600; }

.status {
    font-size: 13px;
    color: var(--hint);
    min-height: 18px;
    text-align: center;
}

.card {
    background: var(--card);
    border-radius: 14px;
    padding: 14px;
}

.power { display: flex; gap: 10px; padding: 10px; }

.power-btn {
    flex: 1;
    border: none;
    border-radius: 10px;
    padding: 12px 0;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
}

.power-btn.on  { background: var(--btn); color: var(--btn-text); }
.power-btn.off { background: transparent; color: var(--hint); border: 1px solid var(--hint); }

.slider-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    margin-bottom: 10px;
}

.slider-label > span:last-child { color: var(--accent); font-variant-numeric: tabular-nums; }

input[type="range"] {
    width: 100%;
    height: 28px;
    -webkit-appearance: none;
    appearance: none;
    background: transparent;
    cursor: pointer;
}

input[type="range"]::-webkit-slider-runnable-track {
    height: 8px;
    border-radius: 4px;
    background: var(--bg);
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 24px;
    height: 24px;
    margin-top: -8px;
    border-radius: 50%;
    background: var(--btn);
    border: 2px solid var(--btn-text);
}

input[type="range"]::-moz-range-track {
    height: 8px;
    border-radius: 4px;
    background: var(--bg);
}

input[type="range"]::-moz-range-thumb {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--btn);
    border: 2px solid var(--btn-text);
}

.temp-slider::-webkit-slider-runnable-track {
    background: linear-gradient(90deg, #ff9d46, #ffd9a0, #ffffff, #cfe6ff);
}

.temp-slider::-moz-range-track {
    background: linear-gradient(90deg, #ff9d46, #ffd9a0, #ffffff, #cfe6ff);
}

.rgb-row { display: flex; flex-direction: column; gap: 12px; }

input[type="color"] {
    width: 100%;
    height: 48px;
    border: none;
    border-radius: 10px;
    background: var(--bg);
    padding: 4px;
    cursor: pointer;
}

#preset-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 8px;
}

.preset {
    aspect-ratio: 1;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: pointer;
    padding: 0;
}

.preset:active { transform: scale(0.92); }

.switch { position: relative; display: inline-block; width: 46px; height: 26px; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch .knob {
    position: absolute;
    inset: 0;
    background: var(--bg);
    border-radius: 26px;
    transition: background .2s;
}
.switch .knob::before {
    content: "";
    position: absolute;
    left: 3px; top: 3px;
    width: 20px; height: 20px;
    border-radius: 50%;
    background: var(--hint);
    transition: transform .2s, background .2s;
}
.switch input:checked + .knob { background: var(--btn); }
.switch input:checked + .knob::before { transform: translateX(20px); background: var(--btn-text); }

.sun-times { font-size: 13px; color: var(--hint); margin-top: 8px; }

.toast {
    position: fixed;
    left: 50%;
    bottom: calc(env(safe-area-inset-bottom, 0px) + 18px);
    transform: translateX(-50%);
    background: var(--btn);
    color: var(--btn-text);
    padding: 10px 18px;
    border-radius: 20px;
    font-size: 14px;
    box-shadow: 0 4px 16px rgba(0,0,0,.35);
    z-index: 10;
}

.toast.error { background: #c0392b; }

.hidden { display: none !important; }

#no-telegram {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--hint);
    text-align: center;
    padding: 24px;
}

body.busy { cursor: wait; }
body.busy .card { opacity: .6; pointer-events: none; }