:root {
    --bg-color: #21211f;
    --accent-color: #c1e328;
    /* lime yellow */
    --text-color: #c1e328;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
    min-height: 100vh;
    padding: 2rem;
    display: flex;
    flex-direction: column;
}

.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    font-weight: 700;
    text-transform: uppercase;
    opacity: 0.95
}

.top-left {
    font-size: 1.2rem
}

.top-right {
    font-size: 0.9rem;
    text-align: right
}

.main-content {
    display: flex;
    gap: 2rem;
    align-items: flex-end;
    justify-content: space-between;
    flex: 1;
    position: relative
}

.hero-section {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.hero-title {
    font-size: 14vw;
    font-weight: 900;
    line-height: 0.8;
    letter-spacing: -0.04em;
    text-transform: uppercase;
    max-width: 60%
}

.subtitle {
    font-size: 1rem;
    opacity: 0.9;
    margin-top: 0.75rem;
    font-weight: 600
}

.controls-container {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
    min-width: 320px;
    align-self: flex-end
}

/* The controls container holds a single form element; ensure the form's
   children (.select-group) have vertical spacing. */
.controls-container>form {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.select-group {
    display: flex;
    flex-direction: column;
}

/* Larger fonts for form (requirement 2) */
label {
    font-size: 1rem;
    text-transform: uppercase;
    font-weight: 700;
    opacity: 0.9
}

input[type="text"],
select {
    appearance: none;
    background: transparent;
    border: none;
    border-bottom: 2px solid var(--accent-color);
    color: var(--accent-color);
    font-size: 1.5rem;
    padding: 0.6rem 0
}

/* Bigger button, rounded */
.save-btn {
    background: var(--accent-color);
    color: #0f0f0f;
    border: none;
    padding: 0.9rem 1.25rem;
    font-size: 1.25rem;
    font-weight: 800;
    border-radius: 999px;
    cursor: pointer
}

.save-btn:active {
    transform: translateY(1px)
}

.note {
    margin-top: 1rem;
    font-size: 1.05rem;
    opacity: 0.95
}

.back-link {
    color: var(--accent-color);
    text-decoration: underline;
    display: inline-block;
    margin-top: 1rem
}

.arrow-decoration {
    position: absolute;
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 8rem;
    font-weight: 900;
    color: var(--accent-color);
    opacity: 0.12;
    pointer-events: none
}

@media (max-width:768px) {
    .main-content {
        flex-direction: column;
        align-items: flex-start
    }

    .hero-title {
        font-size: 22vw;
        max-width: 100%
    }

    .hero-subtitle {
        font-size: 8vw;
        max-width: 100%
    }

    .controls-container {
        width: 100%;
        min-width: unset
    }

    .arrow-decoration {
        display: none
    }
}