:root {
    color-scheme: dark;
    font-family: system-ui, sans-serif;
    background: #10131c;
    color: #f4f6ff;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    line-height: 1.6;
}

.container {
    width: min(760px, 92%);
    margin: 60px auto;
}

header {
    margin-bottom: 32px;
}

.eyebrow {
    color: #92a4ff;
    font-size: 0.78rem;
    letter-spacing: 0.14em;
}

h1 {
    font-size: clamp(2rem, 6vw, 3.5rem);
    line-height: 1.15;
    margin: 12px 0;
}

.intro, .empty {
    color: #aeb5ca;
}

.panel, .message {
    background: #1b2030;
    border: 1px solid #30374d;
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 20px;
}

form {
    display: grid;
    gap: 12px;
}

input, textarea {
    width: 100%;
    padding: 13px;
    border: 1px solid #424b65;
    border-radius: 9px;
    background: #10131c;
    color: white;
    font: inherit;
}

textarea {
    min-height: 120px;
    resize: vertical;
}

button {
    border: 0;
    border-radius: 9px;
    padding: 13px 18px;
    background: #7589ff;
    color: #10131c;
    font-weight: 700;
    cursor: pointer;
}

button:hover {
    background: #9baaff;
}

.message p {
    overflow-wrap: anywhere;
    margin-bottom: 0;
}

footer {
    margin-top: 40px;
    color: #929bb2;
    font-size: 0.85rem;
}