:root {
    color-scheme: dark;
    --bg: #080808;
    --panel: #121212;
    --accent: #d7263d;
    --accent-soft: #ff3b4f;
    --text: #f5f5f5;
    --muted: #b3b3b3;
    --border: #3d0c12;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    background: radial-gradient(circle at top, #180909 0%, var(--bg) 60%);
    color: var(--text);
    min-height: 100vh;
    padding: 24px;
}

.app {
    max-width: 1100px;
    margin: 0 auto;
    padding: 24px;
    border: 1px solid var(--border);
    border-radius: 18px;
    background: rgba(10, 10, 10, 0.94);
    box-shadow: 0 0 30px rgba(215, 38, 61, 0.15);
}

.hero {
    margin-bottom: 24px;
}

.header-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
}

.eyebrow {
    color: var(--accent-soft);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: 8px;
}

h1, h2 {
    margin: 0 0 8px;
    color: #fff;
}

.subtitle {
    color: var(--muted);
    max-width: 700px;
}

.info-dropdown {
    flex-shrink: 0;
    position: relative;
}

.info-dropdown summary {
    list-style: none;
    cursor: pointer;
    color: var(--accent-soft);
    font-weight: 600;
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: rgba(215, 38, 61, 0.08);
}

.info-dropdown summary::-webkit-details-marker {
    display: none;
}

.dropdown-content {
    position: absolute;
    right: 0;
    top: calc(100% + 8px);
    width: min(280px, 80vw);
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--panel);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.dropdown-content p {
    margin: 0;
    color: var(--muted);
    font-size: 0.95rem;
}

.translator {
    display: grid;
    gap: 20px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.panel {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--panel);
}

label {
    color: var(--accent-soft);
    font-weight: 600;
}

textarea {
    min-height: 220px;
    padding: 12px;
    border: 1px solid #2a1416;
    border-radius: 10px;
    resize: vertical;
    font: inherit;
    background: #0c0c0c;
    color: var(--text);
}

textarea:focus {
    outline: 1px solid var(--accent);
    border-color: var(--accent);
}

button {
    width: fit-content;
    padding: 10px 16px;
    border: none;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-soft) 100%);
    color: white;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

button:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(215, 38, 61, 0.2);
}

@media (max-width: 760px) {
    body {
        padding: 12px;
    }

    .app {
        padding: 16px;
    }

    .header-row {
        flex-direction: column;
        align-items: flex-start;
    }

    .info-dropdown {
        width: 100%;
    }

    .dropdown-content {
        position: static;
        width: 100%;
        margin-top: 8px;
    }

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