.page-submit {
    display: flex;
    justify-content: center;
    padding-block: 4rem;
    padding-inline: 1rem;
    grid-column: 1 / -1;
    /* spans the entire viewport across CSS grid */
}

.page-submit .form-container {
    background-color: var(--color-surface);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--color-surface-border);
    border-radius: 16px;
    padding: 3rem;
    width: 100%;
    max-width: 38rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.page-submit h1 {
    text-align: center;
    margin-bottom: 2.5rem;
    font-size: 2rem;
    font-weight: 700;
}

.submit-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-on-background);
}

.form-group input[type="text"],
.form-group input[type="url"],
.form-group input[type="number"],
.form-group select,
.form-group textarea {
    background-color: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    padding: 0.8rem 1rem;
    color: var(--color-on-background);
    font-family: inherit;
    font-size: 1rem;
    transition:
        border-color 0.2s,
        box-shadow 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(255, 140, 0, 0.2);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-group select option {
    background-color: #1a1a1c;
    color: white;
}

.radio-group .radio-options {
    display: flex;
    gap: 2rem;
    margin-top: 0.25rem;
}

.radio-group .radio-options label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    cursor: pointer;
}

.radio-group input[type="radio"] {
    accent-color: var(--color-primary);
    width: 1.1rem;
    height: 1.1rem;
    cursor: pointer;
}

.guidelines-text {
    font-size: 0.85rem;
    color: #aaaaaa;
    text-align: center;
    margin-block: 1rem;
}

.submit-btn {
    background: linear-gradient(135deg, var(--color-primary), #ff6b00);
    color: var(--color-on-primary);
    border: none;
    border-radius: 8px;
    padding: 1rem;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 6px 20px rgba(255, 140, 0, 0.3);
    transition:
        transform 0.2s,
        box-shadow 0.2s,
        filter 0.2s;
}

.submit-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 140, 0, 0.4);
}

.submit-btn:disabled {
    background: var(--color-surface);
    color: #888;
    box-shadow: none;
    cursor: not-allowed;
    border: 1px solid var(--color-surface-border);
}

.error-msg {
    color: var(--color-error);
    text-align: center;
    font-size: 0.9rem;
    margin-top: 0.5rem;
}