:root {
    color-scheme: dark;
    font-family: "Inter", system-ui, -apple-system, sans-serif;
    line-height: 1.5;
    background: #0e111b;
    color: #eef2ff;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background: radial-gradient(circle at top, #1d2542 0%, #0e111b 55%);
}

.app {
    max-width: 1100px;
    margin: 0 auto;
    padding: 48px 24px 64px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.app__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    padding: 32px;
    border-radius: 20px;
    background: rgba(17, 23, 40, 0.9);
    border: 1px solid rgba(118, 135, 255, 0.2);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.eyebrow {
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.2rem;
    color: #8b9cff;
    margin: 0 0 8px;
}

h1 {
    font-size: 2.4rem;
    margin: 0 0 12px;
}

.subhead {
    margin: 0;
    max-width: 520px;
    color: #b7c0ff;
}

.card {
    background: rgba(17, 23, 40, 0.95);
    border-radius: 18px;
    padding: 24px;
    border: 1px solid rgba(118, 135, 255, 0.2);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.card__content {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.columns {
    display: grid;
    gap: 16px;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.panel {
    background: rgba(12, 15, 26, 0.9);
    border-radius: 14px;
    padding: 16px;
    border: 1px solid rgba(118, 135, 255, 0.15);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.button {
    padding: 10px 18px;
    border-radius: 999px;
    border: 1px solid rgba(118, 135, 255, 0.3);
    background: rgba(16, 20, 35, 0.8);
    color: #f5f7ff;
    cursor: pointer;
    font-weight: 600;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.button:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(34, 44, 90, 0.4);
}

.button--primary {
    background: linear-gradient(135deg, #5f6bff, #8a5bff);
    border: none;
}

.button--ghost {
    background: transparent;
}

select,
input,
textarea {
    width: 100%;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid rgba(118, 135, 255, 0.3);
    background: rgba(6, 8, 16, 0.6);
    color: #eef2ff;
}

textarea {
    min-height: 140px;
    resize: vertical;
}

.list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.list li {
    background: rgba(16, 20, 35, 0.6);
    padding: 8px 12px;
    border-radius: 10px;
    border: 1px solid rgba(118, 135, 255, 0.15);
}

.field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 0.85rem;
}

.muted {
    color: #9aa5e3;
    margin: 0;
}

@media (max-width: 720px) {
    .app__header {
        flex-direction: column;
        align-items: flex-start;
    }

    h1 {
        font-size: 2rem;
    }
}