:root {
    color-scheme: dark;
    --space: #02040c;
    --panel: rgba(7, 13, 32, .82);
    --line: rgba(178, 218, 255, .17);
    --text: #f6fbff;
    --muted: rgba(226, 240, 255, .62);
    --accent: #8fd8ff;
}

* {
    box-sizing: border-box;
}

html,
body {
    width: 100%;
    height: 100%;
    margin: 0;
    overflow: hidden;
    background: var(--space);
}

body {
    font-family: Arial, "Noto Sans Hebrew", "Segoe UI", sans-serif;
}

button,
textarea {
    font: inherit;
}

#supernova-canvas {
    position: fixed;
    inset: 0;
    display: block;
    width: 100%;
    height: 100%;
    touch-action: none;
}

.controls {
    position: fixed;
    z-index: 10;
    top: max(18px, env(safe-area-inset-top));
    left: 50%;
    width: min(560px, calc(100vw - 28px));
    transform: translate(-50%, 0);
    padding: 22px;
    border: 1px solid var(--line);
    border-radius: 24px;
    background:
        radial-gradient(circle at 20% 0%, rgba(80, 166, 255, .16), transparent 42%),
        var(--panel);
    box-shadow: 0 24px 90px rgba(0, 0, 0, .56);
    backdrop-filter: blur(18px);
    transition: opacity .28s ease, transform .28s ease, visibility .28s;
}

.controls[hidden] {
    display: block;
    visibility: hidden;
    opacity: 0;
    transform: translate(-50%, -18px) scale(.98);
    pointer-events: none;
}

.controls__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
}

.eyebrow {
    margin: 0 0 5px;
    color: var(--accent);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .2em;
}

h1 {
    margin: 0;
    font-size: clamp(21px, 4vw, 30px);
    line-height: 1.15;
}

.subtitle {
    margin: 7px 0 18px;
    color: var(--muted);
    font-size: 15px;
}

label {
    display: block;
    margin-bottom: 8px;
    color: var(--muted);
    font-size: 13px;
}

textarea {
    width: 100%;
    min-height: 126px;
    resize: vertical;
    padding: 14px 15px;
    border: 1px solid rgba(151, 210, 255, .2);
    border-radius: 15px;
    outline: none;
    color: var(--text);
    background: rgba(1, 4, 13, .58);
    line-height: 1.55;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .03);
}

textarea:focus {
    border-color: rgba(143, 216, 255, .68);
    box-shadow: 0 0 0 4px rgba(72, 176, 255, .11);
}

.controls__actions {
    display: grid;
    grid-template-columns: 1.35fr 1fr 1fr;
    gap: 9px;
    margin-top: 12px;
}

button {
    min-height: 42px;
    border-radius: 12px;
    border: 1px solid transparent;
    cursor: pointer;
}

.primary-button {
    color: #00111f;
    background: linear-gradient(135deg, #f8fdff, #76cfff);
    font-weight: 800;
    box-shadow: 0 8px 30px rgba(60, 176, 255, .25);
}

.secondary-button,
.icon-button {
    color: var(--text);
    border-color: rgba(165, 216, 255, .15);
    background: rgba(255, 255, 255, .055);
}

.icon-button {
    flex: 0 0 38px;
    min-height: 38px;
    font-size: 24px;
    line-height: 1;
}

.control-message {
    min-height: 18px;
    margin: 10px 0 0;
    color: var(--accent);
    font-size: 12px;
    text-align: center;
}

.examples {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 7px;
    margin-top: 7px;
}

code {
    padding: 5px 8px;
    border: 1px solid rgba(255, 255, 255, .07);
    border-radius: 999px;
    color: rgba(225, 242, 255, .58);
    background: rgba(0, 0, 0, .16);
    font-size: 11px;
}

.floating-control {
    position: fixed;
    z-index: 8;
    top: max(18px, env(safe-area-inset-top));
    right: max(18px, env(safe-area-inset-right));
    width: 48px;
    min-height: 48px;
    color: var(--text);
    border: 1px solid rgba(160, 218, 255, .2);
    border-radius: 50%;
    background: rgba(5, 11, 27, .58);
    box-shadow: 0 10px 36px rgba(0, 0, 0, .3);
    backdrop-filter: blur(12px);
    font-weight: 800;
}

.status {
    position: fixed;
    z-index: 5;
    left: 50%;
    bottom: max(16px, env(safe-area-inset-bottom));
    display: flex;
    align-items: center;
    gap: 12px;
    transform: translateX(-50%);
    color: rgba(230, 244, 255, .46);
    font-size: 12px;
    white-space: nowrap;
    pointer-events: none;
}

#current-label {
    max-width: min(52vw, 500px);
    overflow: hidden;
    color: rgba(239, 249, 255, .78);
    text-overflow: ellipsis;
}

.status__help {
    padding-left: 12px;
    border-left: 1px solid rgba(255, 255, 255, .12);
}

@media (max-width: 640px) {
    .controls {
        padding: 18px;
        border-radius: 20px;
    }

    .controls__actions {
        grid-template-columns: 1fr 1fr;
    }

    .primary-button {
        grid-column: 1 / -1;
    }

    .status__help {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .controls {
        transition: none;
    }
}